Stackable modular agricultural and sideline product transportation fresh-keeping container

Abstract

The invention provides a stackable modular agricultural and sideline product transportation fresh-keeping container, and belongs to the field of product transportation. Comprising a fresh-keeping shell and a heat preservation door plate, the heat preservation door plate is movably connected to the front side wall of the fresh-keeping shell, an equipment mounting assembly is arranged on the rear side wall of the fresh-keeping shell, the fresh-keeping shell is hollow and is fixedly connected with fixing pipes in a bilateral symmetry mode, and the four fixing pipes on one side are arranged in a # shape; a movable rod is movably connected into each fixed pipe, linkage movable assemblies are arranged at the staggered positions of the movable rods, each linkage movable assembly comprises mounting grooves, and two mounting grooves are symmetrically formed in each movable rod. Different devices can be installed according to the requirements of different agricultural and sideline products, different transportation environments are created in different preservation shells through the different devices, the modular function is achieved, and transportation and use of the different agricultural and sideline products are facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of product transportation, and in particular to a stackable modular agricultural and sideline product transportation and preservation container. Background Art

[0002] With the development of agricultural modernization, the scale and scope of agricultural and sideline products transportation are constantly expanding. During transportation, it is very important to keep the freshness of agricultural and sideline products, which is not only related to the quality and taste of the products, but also directly affects the sales price and market competitiveness.

[0003] In order to meet the needs of preserving agricultural and sideline products, the prior art CN101554941B is a multifunctional decompression storage device, including a sealed storage chamber, characterized in that: an exhaust system, a humidification and ventilation system, an industrial automation control system and a heat preservation system are arranged in the sealed storage chamber; a pressure transmitter, a first temperature sensor and a relative humidity transmitter are arranged in the sealed storage chamber; the exhaust system has two configurations: a vacuum pump arranged outside is connected to the sealed storage chamber through a pipeline, a bypass valve is connected in the pipeline, or a vacuum pump electrically connected to a frequency converter is connected to the sealed storage chamber through a pipeline; the humidification and ventilation system: a flow meter is arranged on the way of the air intake pipe from the opening to the outside, and a hygrometer is inserted into the air intake pipe; The water tank is connected to the sealed storage room through the air supply pipe and the air supply valve. The water tank contains water, and a heater is arranged in the water. The air inlet pipe passes through the water in the water tank and then is connected to the storage room through the air supply pipe. The hygrometer is an expansion valve with a venturi tube structure. The industrial automation control system is: the pressure transmitter, the first temperature sensor and the relative humidity transmitter are used as input signals, and the programmable controller PLC and the touch screen are pre-programmed to start, shut down and regulate the exhaust system, the humidification and ventilation system, and the insulation system respectively; the insulation system is: an insulating cavity and a refrigeration system arranged outside the sealed storage room, the insulating cavity includes an insulation enclosure and an insulation door; the refrigeration system includes a refrigeration unit and a cooling component. The above technical solutions can prevent the proliferation of bacteria, especially aerobic molds, so that stored products are not easy to mold and deteriorate; kill insects inside and outside the stored products to eliminate pests; reduce the concentration of volatile pollutant gases in the storage environment to below 2% to prevent food poisoning; high relative humidity minimizes the water loss rate of stored products; maintains the original appearance (color and shape), taste, mouthfeel and nutrients of stored products to the greatest extent; and most effectively inhibits the oxidation of stored products, thereby realizing the function of preserving agricultural and sideline products during transportation.

[0004] However, the existing preservation technology has the following problems when used. First, the entire device and system are large in size, so the preservation technology can only be implemented in a fixed manner and cannot be used in the transportation and preservation of agricultural and sideline products, which greatly limits the scope of use; second, the sealed storage room is large in size, which not only cannot meet the transportation operation, but also has great deficiencies in stacking and reliability after stacking, further limiting the application of agricultural and sideline product transportation and preservation.

[0005] Based on the above reasons, the present invention proposes a stackable modular agricultural and sideline products transportation and preservation container to solve the above problems. Summary of the invention

[0006] The technical problem to be solved by the present invention is to provide a stackable modular agricultural and sideline products transportation and preservation container which has the advantages of modular containers and reliable stacking.

[0007] In order to solve the above technical problems, the present invention provides the following technical solutions: A stackable modular agricultural and sideline products transportation and preservation container comprises a preservation shell, a front side wall of the preservation shell is movably connected with an insulation door panel, a rear side wall of the preservation shell is provided with an equipment installation assembly, the preservation shell is hollow and fixedly connected with a fixed tube symmetrically on the left and right, four fixed tubes are provided on one side and are arranged in a "well" shape, a movable rod is movably connected in each of the fixed tubes, and a linkage movable assembly is arranged at the staggered position of the movable rod, the linkage movable assembly comprises a mounting groove, two mounting grooves are symmetrically provided on each of the movable rods, two adjacent movable rods are staggered between the mounting grooves, racks are fixedly connected on the side walls of the mounting grooves, a same gear column is meshed between two adjacent racks, a circular shaft is fixedly connected to the center of the side wall of the gear column, both ends of the circular shaft are movably connected to the inner wall of the fixed tube, a telescopic drive assembly is provided on the preservation shell between the two upper fixed tubes, a stacking locking assembly is provided at the top of the vertical movable rod, and a stacking locking assembly is provided at the right end of the horizontal movable rod.

[0008] Preferably, the equipment installation assembly includes a movable shell, and four movable shells are symmetrically and movably connected on the rear side wall of the fresh-keeping shell. The two movable shells on the same side are movably connected to the same mounting plate, and the movable shells are fixedly connected with a first spring, and the other end of the first spring is fixedly connected to the mounting plate, and the mounting plates are provided with mounting holes.

[0009] Preferably, the telescopic drive assembly includes a motor, a threaded rod is fixedly connected to the rotor of the motor, a side plate is movably connected to the end of the threaded rod away from the motor, the side plate is fixedly connected to the top surface of the inner cavity of the preservation shell, a vertical plate is threadedly connected to the side wall of the threaded rod, a connecting plate is fixedly connected to the bottom surface of the vertical plate, transverse grooves are provided on the preservation shell and the two upper fixed tubes, and the two sides of the connecting plate respectively penetrate the transverse grooves on both sides and are fixedly connected to the two upper movable rods.

[0010] Preferably, the stacking locking assembly includes side holes, a plurality of side holes are evenly distributed at the top end of the movable rod vertically, a plurality of side holes are evenly distributed at the right end of the movable rod horizontally, a second spring is fixedly connected in each of the side holes, a positioning rod is fixedly connected at the other end of the second spring, a plurality of positioning grooves are evenly distributed in the inner cavity of the fixed tube near the bottom end vertically, and a plurality of positioning grooves are evenly distributed in the inner cavity of the fixed tube near the left end horizontally.

[0011] Preferably, the positioning rod extends out of a side hole at one end away from the second spring and is arranged in a conical shape, and the positioning groove and the positioning rod are arranged to match each other.

[0012] Preferably, the outer wall of the motor is provided with a protective shell, and the protective shell is fixedly connected to the top surface of the inner cavity of the fresh-keeping shell.

[0013] Preferably, the length of the movable rod is set to be the same as the length of the fixed tube, the diameter of the movable rod is set to be the same as the inner diameter of the fixed tube, the top side wall of the vertical movable rod is provided with a rounded corner, and the right side wall of the horizontal movable rod is provided with a rounded corner.

[0014] Compared with the prior art, the present invention has at least the following beneficial effects: The present invention is provided with a heat preservation shell and an equipment installation assembly. The installation personnel pull the installation plate so that the installation plate drives the first spring to stretch and move, and the designated equipment is placed at the position between the movable shells. The installation plate is loosened, and under the action of the first spring, the installation plate is pressed against the side wall of the designated equipment. The position of the equipment is adjusted, and the installation and fixation between the installation plate and the equipment are achieved by using fasteners to penetrate the installation holes. Different equipment can be installed according to the needs of different agricultural and sideline products, and different transportation environments can be created in different fresh-keeping shells by using different equipment, so as to achieve modular functions and facilitate the transportation and use of different agricultural and sideline products. The present invention is provided with a linkage movable component, a telescopic driving component and a stacking locking component. When in use, the two upper movable rods are driven by a motor to move in the fixed tube, and the top and right ends of the movable rods can extend out of the inner cavity of the fixed tube under the meshing movement and linkage action between the rack and the gear column. When the fresh-keeping shells are stacked, the top and right ends of the movable rods are inserted into the inner cavity of the fixed tube on the side wall of the adjacent fresh-keeping shell, and under the action of the second spring, the positioning rod is inserted into the positioning groove, so that the stacking locking between the adjacent fresh-keeping shells can be achieved, which can effectively improve the transportation reliability and stability of the modular thermal insulation container. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings, which are incorporated herein and constitute a part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the present disclosure and to enable those skilled in the relevant art to make and use the present disclosure.

[0016] Figure 1 It is a schematic diagram of the overall front three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the overall side three-dimensional structure of the present invention; Figure 3 It is a schematic diagram of the structure of the stacking installation of the present invention; Figure 4 It is a cross-sectional three-dimensional structural schematic diagram of the present invention; Figure 5 It is a schematic diagram of the internal three-dimensional structure of the fresh-keeping shell of the present invention; Figure 6 It is a schematic diagram of the internal three-dimensional structure of the fixed tube of the present invention; Figure 7 It is a three-dimensional structural schematic diagram of the telescopic drive assembly of the present invention; Figure 8 It is a three-dimensional structural schematic diagram of the equipment installation assembly of the present invention; Fig. 9 It is a three-dimensional structural schematic diagram of the linkage activity assembly of the present invention; Fig.10 It is a three-dimensional structural schematic diagram of the stacking locking assembly of the present invention.

[0017] [Reference Signs] 1. Fresh-keeping shell; 2. Insulation door panel; 3. Equipment installation assembly; 4. Fixed tube; 5. Movable rod; 6. Linkage movable assembly; 7. Telescopic drive assembly; 8. Stacking locking assembly; 9. Protective shell; 10. Movable shell; 11. Mounting plate; 12. First spring; 13. Mounting hole; 14. Mounting groove; 15. Rack; 16. Gear column; 17. Round shaft; 18. Motor; 19. Threaded rod; 20. Side plate; 21. Vertical plate; 22. Connecting plate; 23. Horizontal groove; 24. Side hole; 25. Second spring; 26. Positioning rod; 27. Positioning groove.

[0018] As shown in the figure, in order to clearly implement the structure of the embodiment of the present invention, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the present invention to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments, and the adjustments or modifications made are still included in the scope of the attached claims. DETAILED DESCRIPTION

[0019] The following is a detailed description of a stackable modular agricultural and sideline products transportation and preservation container provided by the present invention in conjunction with the accompanying drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art may also adopt other alternatives to implement some known technologies; and the accompanying drawings are only for a more specific description of the embodiments, and are not intended to specifically limit the present invention.

[0020] It should be noted that the references to "one embodiment", "embodiment", "exemplary embodiments", "some embodiments" and the like in the specification indicate that the embodiments described may include specific features, structures or characteristics, but not every embodiment may include the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in conjunction with an embodiment, it should be within the knowledge of a person skilled in the art to implement such feature, structure or characteristic in conjunction with other embodiments (whether or not explicitly described).

[0021] In general, a term can be understood, at least in part, from its use in context. For example, depending, at least in part, on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending, at least in part, on the context, allow for the presence of other factors that are not necessarily explicitly described.

[0022] It will be understood that the meaning of “on,” “over,” and “above” in this disclosure should be interpreted in the broadest manner, so that “on” means not only “directly on” something, but also includes the meaning of being “on” something with intervening features or layers therebetween, and “on” or “over” means not only “on” or “above” something, but also includes the meaning of being “on” or “above” something with no intervening features or layers therebetween.

[0023] Additionally, spatially relative terms such as "under," "beneath," "lower," "above," "upper," and the like may be used herein for descriptive convenience to describe the relationship of one element or feature to another element or features, as shown in the accompanying drawings. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially relative descriptors used herein may be similarly interpreted accordingly.

[0024] like Figure 1-10As shown, an embodiment of the present invention provides a stackable modular agricultural and sideline products transport and preservation container, comprising a preservation shell 1, a heat preservation door panel 2 is movably connected to the front side wall of the preservation shell 1, a device installation assembly 3 is arranged on the rear side wall of the preservation shell 1, the device installation assembly 3 comprises a movable shell 10, four movable shells 10 are movably connected to the rear side wall of the preservation shell 1 in a left-right symmetrical manner, the same mounting plate 11 is movably connected to the two movable shells 10 on the same side, a first spring 12 is fixedly connected to the movable shell 10, the other end of the first spring 12 is fixedly connected to the mounting plate 11, and mounting holes 13 are provided on the mounting plate 11; In the technical solution of this embodiment, the installation personnel pulls the mounting plate 11, so that the mounting plate 11 drives the first spring 12 to stretch, and the designated device is placed at the position between the movable shells 10, and the mounting plate 11 is loosened. Under the action of the first spring 12, the mounting plate 11 is pressed against the side wall of the designated device, and the mounting plate 11 and the device are fixed by adjusting the position of the device and penetrating the mounting hole 13 with a fastener. Different devices can be installed according to the needs of different agricultural and sideline products, and different transportation environments can be created in different fresh-keeping shells 1 by different devices, so as to realize modular functions and facilitate the transportation of different agricultural and sideline products. The fresh-keeping shell 1 is hollow and fixedly connected with a fixed tube 4 symmetrically on the left and right. Four fixed tubes 4 are arranged on one side in a "well" shape. A movable rod 5 is movably connected in each fixed tube 4. The movable rod 5 is provided with a linkage movable assembly 6 at the staggered position. The linkage movable assembly 6 includes a mounting groove 14. Two mounting grooves 14 are symmetrically provided on each movable rod 5. Two adjacent movable rods 5 are staggered between the mounting grooves 14. Racks 15 are fixedly connected to the side walls of the mounting grooves 14. The same gear column 16 is meshed between the two adjacent racks 15. A round shaft 17 is fixedly connected to the center of the side wall of the gear column 16. Both ends of the round shaft 17 are movably connected to the inner wall of the fixed tube 4. In the technical solution of this embodiment, when the two upper lateral movable rods 5 move in the fixed tube 4, the racks 15 on the two upper movable rods 5 mesh with the upper gear column 16 and rotate around the circular shaft 17, the upper gear column 16 meshes with the rack 15 on the vertical movable rod 5 to move, the vertical rack 15 drives the vertical movable rod 5 to move, the rack 15 in the other mounting groove 14 of the vertical movable rod 5 meshes with the lower gear column 16 to rotate, the lower gear column 16 meshes with the rack 15 on the lower lateral movable rod 5 to move, the lower rack 15 drives the lower movable rod 5 to move, the synchronous movement function of all movable rods 5 can be realized, thereby facilitating the adjustment and installation operation of the stack; The fresh-keeping shell 1 is provided with a telescopic drive assembly 7 between the two upper fixed tubes 4. The telescopic drive assembly 7 includes a motor 18. A threaded rod 19 is fixedly connected to the rotor of the motor 18. The threaded rod 19 is movably connected to a side plate 20 at one end away from the motor 18. The side plate 20 is fixedly connected to the top surface of the inner cavity of the fresh-keeping shell 1. A vertical plate 21 is threadedly connected to the side wall of the threaded rod 19. A connecting plate 22 is fixedly connected to the bottom surface of the vertical plate 21. Transverse grooves 23 are provided on the fresh-keeping shell 1 and the two upper fixed tubes 4. Both sides of the connecting plate 22 penetrate the transverse grooves 23 on both sides and are fixedly connected between the two upper movable rods 5. In the technical solution of this embodiment, the motor 18 is started, the motor 18 drives the threaded rod 19 to rotate, the threaded rod 19 engages the vertical plate 21 to move, the vertical plate 21 drives the connecting plate 22 to move, and the connecting plate 22 drives the two upper horizontal movable rods 5 to move in the fixed tube 4, so that the top and right ends of the movable rods 5 can extend out of the inner cavity of the fixed tube 4, which is convenient for stacking and fixing operations; Furthermore, a protective shell 9 is provided on the outer wall of the motor 18, and the protective shell 9 is fixedly connected to the top surface of the inner cavity of the fresh-keeping shell 1 to protect the motor 18 and prevent the internal environment of the fresh-keeping shell 1 from damaging the motor 18 and polluting the internal environment of the fresh-keeping shell 1; A stacking locking assembly 8 is provided at the top end of the vertical movable rod 5, and a stacking locking assembly 8 is provided at the right end of the horizontal movable rod 5. The stacking locking assembly 8 includes a side hole 24. A plurality of side holes 24 are evenly distributed at the top end of the vertical movable rod 5, and a plurality of side holes 24 are evenly distributed at the right end of the horizontal movable rod 5. A second spring 25 is fixedly connected in each of the side holes 24, and a positioning rod 26 is fixedly connected at the other end of the second spring 25. A plurality of positioning grooves 27 are evenly distributed near the bottom end of the inner cavity of the vertical fixed tube 4, and a plurality of positioning grooves 27 are evenly distributed near the left end of the inner cavity of the horizontal fixed tube 4. The positioning rod 26 extends out of the side hole 24 away from one end of the second spring 25 and is arranged in a conical shape, and the positioning groove 27 and the positioning rod 26 are arranged to match each other; In the technical solution of this embodiment, when the fresh-keeping shells 1 are stacked, the top and right ends of the movable rods 5 are inserted into the inner cavities of the fixed tubes 4 on the side walls of the adjacent fresh-keeping shells 1, and under the action of the second spring 25, the positioning rods 26 are inserted into the positioning grooves 27, so that the stacking lock between the adjacent fresh-keeping shells 1 can be achieved, which can effectively improve the transportation reliability and stability of the modular heat-insulating containers. When the modular heat-insulating containers need to be separated and disassembled, the movable rods 5 are moved in the opposite direction, and the movable rods 5 drive the positioning rods 26 to move together. Because the positioning rods 26 are conically arranged at one end away from the second spring 25 and the positioning grooves 27 and the positioning rods 26 are matched with each other, the change in the depth of the positioning rods 26 in the positioning grooves 27 can make the positioning rods 26 push the second springs 25 to deform. When the conical end of the positioning rods 26 is completely out of the positioning grooves 27, the clamping lock between the positioning rods 26 and the positioning grooves 27 is released, so that the movable rods 5 are separated from the fixed tubes 4, thereby completing the unlocking function between the modular heat-insulating containers. Furthermore, the length of the movable rod 5 is set to be the same as the length of the fixed tube 4, the diameter of the movable rod 5 is set to be the same as the inner diameter of the fixed tube 4, the top side wall of the vertical movable rod 5 is set with a rounded corner, and the right side wall of the horizontal movable rod 5 is set with a rounded corner, which can facilitate modularization and facilitate the insertion of the movable rod 5 into the inner cavity of the fixed tube 4.

[0025] Working principle: When the fresh-keeping container is in use, the frequency conversion pump and humidification device used for preserving agricultural and sideline products are first installed on the fresh-keeping shell 1. The installer pulls the installation plate 11 so that the installation plate 11 drives the first spring 12 to stretch, and the frequency conversion pump and the humidification device are placed between the movable shells 10. The frequency conversion pump is connected to the inner cavity of the fresh-keeping shell 1 through a pipeline, and the installation plate 11 is loosened. Under the action of the first spring 12, the installation plate 11 is pressed against the side wall of the designated equipment, and the position of the frequency conversion pump and the humidification device is adjusted. The fasteners penetrate the installation holes 13 to achieve the installation and fixation between the installation plate 11 and the equipment. After the installation is completed, the built-in power supply or external Connect the mobile power supply to start the frequency conversion pump and the humidifying device, open the solenoid valve on the frequency conversion pump connecting pipe, use the frequency conversion pump to evacuate the inner cavity of the fresh-keeping shell 1, and detect the internal vacuum condition through the pressure sensor on the side wall of the inner cavity of the fresh-keeping shell 1. When the inner cavity of the fresh-keeping shell 1 is in a vacuum environment, close the frequency conversion pump and the solenoid valve on the connecting pipe, start the solenoid valve on the humidifying device pipe, and use the humidifying device to inject water mist into the inner cavity of the fresh-keeping shell 1 for humidification, so as to adjust the environment inside the fresh-keeping shell 1, ensure that the inner cavity environment of the fresh-keeping shell 1 meets the requirements for the fresh-keeping transportation of agricultural and sideline products, and complete the preparation function before use. Different equipment can be installed according to the needs of different agricultural and sideline products, and different The equipment can create different transportation environments in different fresh-keeping shells 1, realize modular functions, and facilitate the transportation of different agricultural and sideline products. Then, the agricultural and sideline products to be transported are placed in the designated inner cavity of the fresh-keeping shell 1, and the motor 18 is started according to the needs of stacking and transportation. The motor 18 drives the threaded rod 19 to rotate, the threaded rod 19 engages the vertical plate 21 to move, the vertical plate 21 drives the connecting plate 22 to move, and the connecting plate 22 drives the two upper horizontal movable rods 5 to move in the fixed tube 4, the racks 15 on the two upper movable rods 5 engage the upper gear column 16 to rotate around the circular shaft 17, the upper gear column 16 engages the rack 15 on the vertical movable rod 5 to move, and the vertical rack 15 drives the vertical movable rod 5 moves, the rack 15 in the other mounting groove 14 of the vertical movable rod 5 engages with the gear column 16 on the lower side to rotate, the lower gear column 16 engages with the rack 15 on the lower horizontal movable rod 5 to move, and the lower rack 15 drives the lower movable rod 5 to move, so that the top and right ends of the movable rod 5 extend out of the inner cavity of the fixed tube 4. When the fresh-keeping shells 1 are stacked, the top and right ends of the movable rod 5 are inserted into the inner cavity of the fixed tube 4 on the side wall of the adjacent fresh-keeping shell 1, and under the action of the second spring 25, the positioning rod 26 is inserted into the positioning groove 27, so that the stacking locking between the adjacent fresh-keeping shells 1 can be achieved, which can effectively improve the transportation reliability and stability of the modular thermal insulation container.

[0026] The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the following preferred embodiments of the present invention, but those skilled in the art can fully understand the present invention without the description of these details. In addition, in order to avoid unnecessary confusion about the essence of the present invention, well-known methods, processes, procedures, components and circuits are not described in detail.

[0027] A person skilled in the art will appreciate that all or part of the steps in the above-mentioned embodiment method can be completed by instructing related hardware through a program, and the program can be stored in a computer-readable storage medium, such as ROM / RAM, a disk, an optical disk, etc.

[0028] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A stackable modular agricultural and sideline product transport and preservation container, comprising a preservation shell (1), characterized in that: The front side wall of the fresh-keeping shell (1) is movably connected to a heat-insulating door panel (2), and the rear side wall of the fresh-keeping shell (1) is provided with a device installation component (3). The fresh-keeping shell (1) is hollow and symmetrically fixedly connected to a fixed tube (4). Four fixed tubes (4) are provided on one side and are arranged in a "well" shape. A movable rod (5) is movably connected in each of the fixed tubes (4). The movable rods (5) are provided with linkage movable components (6) at staggered positions. The linkage movable components (6) include installation grooves (14). Two installation grooves (14) are symmetrically provided on each of the movable rods (5). Two adjacent ones of the two mounting grooves (14) are connected to each other. The movable rods (5) are arranged in a staggered manner between the installation grooves (14); racks (15) are fixedly connected to the side walls of the installation grooves (14); a same gear column (16) is meshed between two adjacent racks (15); a circular shaft (17) is fixedly connected to the center of the side wall of the gear column (16); both ends of the circular shaft (17) are movably connected to the inner wall of the fixed tube (4); a telescopic driving assembly (7) is arranged between the two upper fixed tubes (4) of the fresh-keeping shell (1); a stacking locking assembly (8) is arranged at the top end of the vertical movable rod (5); and a stacking locking assembly (8) is arranged at the right end of the horizontal movable rod (5).

2. The stackable modular agricultural and sideline products transportation and preservation container according to claim 1, characterized in that: The device mounting assembly (3) comprises a movable shell (10), four movable shells (10) are symmetrically and movably connected to the rear side wall of the fresh-keeping shell (1), two movable shells (10) on the same side are movably connected to the same mounting plate (11), a first spring (12) is fixedly connected to each of the movable shells (10), the other end of the first spring (12) is fixedly connected to the mounting plate (11), and a mounting hole (13) is provided on each of the mounting plates (11).

3. The stackable modular agricultural and sideline products transportation and preservation container according to claim 2, characterized in that: The telescopic drive assembly (7) comprises a motor (18), a threaded rod (19) is fixedly connected to the rotor of the motor (18), a side plate (20) is movably connected to one end of the threaded rod (19) away from the motor (18), the side plate (20) is fixedly connected to the top surface of the inner cavity of the fresh-keeping shell (1), a vertical plate (21) is threadedly connected to the side wall of the threaded rod (19), a connecting plate (22) is fixedly connected to the bottom surface of the vertical plate (21), the fresh-keeping shell (1) and the two upper fixed tubes (4) are both provided with transverse grooves (23), and the two sides of the connecting plate (22) respectively penetrate the transverse grooves (23) on both sides and are fixedly connected to the two upper movable rods (5).

4. The stackable modular agricultural and sideline products transportation and preservation container according to claim 3, characterized in that: The stacking locking assembly (8) comprises side holes (24), a plurality of side holes (24) are evenly distributed at the top of the movable rod (5) vertically, a plurality of side holes (24) are evenly distributed at the right end of the movable rod (5) horizontally, a second spring (25) is fixedly connected in each of the side holes (24), a positioning rod (26) is fixedly connected at the other end of each of the second springs (25), a plurality of positioning grooves (27) are evenly distributed in the inner cavity of the fixed tube (4) near the bottom end vertically, and a plurality of positioning grooves (27) are evenly distributed in the inner cavity of the fixed tube (4) near the left end horizontally.

5. The stackable modular agricultural and sideline products transportation and preservation container according to claim 4, characterized in that: The positioning rod (26) extends out of the side hole (24) at one end away from the second spring (25) and is arranged in a conical shape, and the positioning groove (27) and the positioning rod (26) are arranged to match each other.

6. The stackable modular agricultural and sideline products transportation and preservation container according to claim 5, characterized in that: The outer wall of the motor (18) is provided with a protective shell (9), and the protective shell (9) is fixedly connected to the top surface of the inner cavity of the fresh-keeping shell (1).

7. The stackable modular agricultural and sideline products transportation and preservation container according to claim 6, characterized in that: The length of the movable rod (5) is set to be the same as the length of the fixed tube (4), the diameter of the movable rod (5) is set to be the same as the inner diameter of the fixed tube (4), the top side wall of the vertical movable rod (5) is provided with a rounded corner, and the right side wall of the horizontal movable rod (5) is provided with a rounded corner.

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