A simple mobile fresh food store in the community and its usage method

Abstract

This invention discloses a simple mobile fresh food store for communities, including a wheeled carriage and a traction device for moving the carriage. The carriage is a box structure consisting of a roof, floor, front panel, double-opening rear door, left door, and right door. Multiple movable shelves, retractable support rods, a roller shutter door, and foldable lower and upper steps are placed in the empty space of the floor. An extendable roof panel that can extend horizontally outward and to the right is provided under the roof. The right side of the extendable roof panel is connected to the upper edge of the right door via a hinge, allowing the right door to be flipped outward to a horizontal position. After the extendable roof panel and right door are unfolded, multiple support rods can be installed underneath, with roller shutter doors installed between adjacent support rods. The support rods, roller shutter doors, unfolded extendable roof panel, unfolded right door, and the original carriage form a sales space. The invention also provides a method for using the store. This simple mobile fresh food store for communities is reasonably designed, fully functional, easy to operate, and can be flexibly moved within the community, making it convenient for community members to purchase fresh produce.

Description

Technical Field

[0001] This invention relates to the field of vehicle application technology, specifically to a simple mobile fresh food store in a community and its usage method. Background Technology

[0002] The emergence of large-scale new residential communities and online fresh food platforms has changed or impacted the traditional market. While providing convenience for young people, it has also created inconvenience for the elderly. Furthermore, the home delivery model of online fresh food platforms is small-scale and lacks variety, failing to meet daily purchasing needs. At the same time, the rent costs for these platforms are too high. Therefore, effective solutions need to be researched. Our company previously designed a similar patented project—a mobile community fresh food store and its usage method (application number 202111208284X)—but its structure was relatively complex and the opening space was too small. Summary of the Invention

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide a fresh food store that is suitable for communities, has complete functions, is flexible and convenient, can be moved to the doorstep, is simple to manufacture and easy to operate, and its usage method.

[0004] To achieve the above objectives, the present invention provides a simple mobile fresh food store for communities, comprising a wheeled carriage and a traction device for moving the carriage. The carriage is a body structure consisting of a roof, a floor, a front panel, a double-opening rear door, a left door, and a right door. Its distinguishing feature is: The upper part of the front panel of the vehicle is equipped with an LED screen and a sound system for advertising purposes, which can display advertising information; The carriage is equipped with a monitor to facilitate monitoring and management by headquarters personnel and modern management of store staff. A machine room door is located in front of the left-side door. A soundproof machine room is located on the front left side of the carriage corresponding to the machine room door. The machine room contains a generator set and power distribution equipment. To optimize cargo placement within the carriage space for customer convenience and to ensure the quality of fresh produce, a fresh produce freezer is installed in the carriage behind the soundproof machine room, on the left side of the door. A refrigerator is placed in the carriage on the right side of the soundproof machine room, near the front panel of the carriage. The empty space on the floor of the carriage is filled with several movable shelves, retractable support rods, roller shutters, and foldable lower and upper steps. To ensure that the extended door panels fold flat and extend smoothly, an extendable roof panel is provided under the roof of the carriage, which can extend horizontally outward and to the right. The right side of the extendable roof panel is connected to the upper edge of the right side door by a hinge, and the right side door can be flipped outward to a horizontal position. The top formed by the extendable roof panel and the right side door together increases the area of ​​the extension space. After the extension top panel and right-side door are unfolded, multiple support rods can be installed underneath, and roller shutters are installed between adjacent support rods; the support rods, roller shutters, unfolded extension top panel, unfolded right-side door and original carriage form a sales space. This modified simple community mobile fresh food store has a simple structure, is easy to operate, has a large outward extension space, and uses the ground to increase the height and stability of the space. Furthermore, the right front part of the carriage floor is connected by a hinge to a support base plate that can be flipped outward to a horizontal position. Multiple support feet can be installed under the support base plate. The length of the support base plate is less than that of the carriage floor plate, and the support base plate is L-shaped.

[0005] Considering the different road conditions in each community, the supporting base of the vending space has an entrance near the front of the vehicle compartment, and an exit on the right side of the front of the vending space. An upper step is located at the front of the supporting base, placed at the entrance on the ground outside the vending space. Shelves are placed along the outer edge of the supporting base. A lower step extends along the right side of the vehicle compartment and the space left by the supporting base, placed on the ground inside the vending space. Shelves are placed on the ground in the remaining vending space between the lower step, the roller shutter door, and the supporting base. An unmanned vending machine is located at the inner corner of the L-shaped support base. A cashier is located at the exit of the vending space, where customers can pay via the unmanned vending machine or the cashier.

[0006] Furthermore, multiple electric sliding platforms are horizontally arranged between the carriage roof and the extension roof. Each electric sliding platform includes a guide rail and a slider that is sleeved on the guide rail and can slide back and forth along the guide rail. The guide rail is installed below the carriage roof and the extension roof is installed below the slider. The electric sliding platform can be manually controlled to freely push the extension roof. This horizontally extended structure simplifies the opening method.

[0007] Furthermore, the lower step is a foldable and pull-out structure with five steps: the first step, the second step, the third step, the fourth step, and the fifth step. The cross-sectional size of the first step to the fifth step decreases sequentially, forming a nested doll-like structure. The third step to the first step can be folded up into the step above it. The first step, the second step, the third step and the fourth step and the fifth step are perpendicular to each other. The fourth step and the fifth step are connected by hinges. The fifth step can be folded up onto the fourth step and folded into the third step by the hinges. There is also a step transition pad between the first step and the fourth step to make the user walk smoothly.

[0008] Furthermore, holes are provided below the outer perimeter corners of the extension top plate and the right side door. The support rod is a telescopic square tube with a protruding top pin at the top and a support block below. The holes are set in correspondence with the top pin, and the top pin can be inserted into the hole. The design of the top pin and hole facilitates the disassembly and assembly of the support rod. The support rod is fitted with a connector on top. The main body of the connector is a square tube. The front of the main body of the connector is provided with screw holes and wing bolts. The upper end of the main body of the connector is provided with two connecting arms. The connecting arms are provided with screw holes and wing bolts. Both ends of the roller shutter door are mounted on the connecting arm via fasteners; The fastener is an inwardly curved structure, which includes a small inward curve and a large inward curve. The small inward curve can be fitted onto the connecting arm, and the large inward curve can be fitted onto both ends of the roller shutter. The small inward curve has screw holes and butterfly bolts on its front side. The small inward curve and the large inward curve have openings, and the roller shutter can extend out of the opening of the large inward curve.

[0009] Furthermore, the connecting arm is arranged horizontally symmetrically with respect to the connector as the axis; the connecting arm can also be arranged vertically with respect to the connector as the axis. The connecting arm arranged horizontally symmetrically with respect to the connector as the axis is used to connect two roller shutter doors on the same side, and the connecting arm arranged vertically with respect to the connector as the axis is used to connect two roller shutter doors on two vertical sides.

[0010] Furthermore, a fixing plate is fixed to the lower part of the support rod by a butterfly bolt. When the roller shutter door is pulled down, the fixing plate fixes the roller shutter door by the butterfly bolt.

[0011] To ensure vehicle safety during operation, a door lock is installed between the lower part of the right-side door and the floor of the vehicle body.

[0012] This invention also provides a simple method for using a mobile fresh food store in a community, the specific method of use is as follows: (1) Publish fresh produce information about products that will be delivered to the community or provide reservation and ordering services to community members through the mobile community fresh produce information platform app; (2) Open the back door, sort, code, and pack the fresh produce into the fresh freezer and shelf cabinets, turn on the generator, use the traction device to bring the carriage into the selected section of the community and stop it, and turn on the LED screen and sound system. (3) Open the door lock, start the electric slide to open the extension top plate horizontally to the right; take out the retractable support rod and open it. Fit the connecting piece on the top of the support rod and tighten it with the butterfly bolt. Use the support rod to raise the extension top plate and the right door, and align the top pin with the hole; fit the large inner bend of the fixing piece on both ends of the roller shutter door and fix it with the butterfly bolt. Put both ends of the roller shutter door close to the outside of the connecting arm. This simple structure saves the complicated opening structure. Then pull the small inner bend of the fixing piece back horizontally and fit it on the connecting arm and tighten it with the butterfly bolt. Pull down the roller shutter door and fix it on the support rod with the fixing plate. (4) Open the support base plate horizontally to the right, install the support feet under the support base plate, place the upper step in front of the support base plate, and place the container on the support base plate; pull out the lower step in sequence and extend it to the ground along the right side of the carriage and the space left by the support base plate, and place the lower step on the ground in the sales space; set up an unmanned vending machine in the inner corner of the support base plate, and set up a cashier counter in front of the sales space.

[0013] Place multiple movable shelves and cabinets along the inner wall and supporting base of the carriage behind the extended space; place fresh produce on the shelves and cabinets from the refrigerator; (6) Customers enter the roller shutter door from the top step, select fresh produce, and then go down the bottom step to the unmanned vending machine to pay. Headquarters staff can monitor and manage the operation through a monitor. (7) When the sale is over and the stall is closed, first put the fresh produce back into the refrigerator, and put the shelves, upper steps and retracted lower steps back into the carriage. (8) Next, remove the fixing plate, roller shutter door, and fasteners, remove the support legs, and lift up the support base plate. (9) Retract the support rod, lower the right door, and swing the support rod back into the carriage. (10) Finally, start the electric slide to retract the extended top panel into the carriage and lock the door.

[0014] The beneficial effects of this invention are: This invention provides a simple mobile fresh food store for communities. It features a reasonable layout, simple construction, and convenient operation, providing communities with a safe and convenient way to sell fresh produce. It also adds a simple door-to-door delivery option, reduces store rental costs, and allows people to enjoy the convenience of supermarkets or markets right at their doorstep. In addition, it can be used as an emergency delivery method during epidemic prevention and control. Attached Figure Description

[0015] For ease of explanation, the present invention will be described in detail below with reference to the preferred embodiments and accompanying drawings.

[0016] Figure 1 This is a schematic diagram of the left side of the front of a simple mobile fresh food store in a community as described in this invention; Figure 2 This is a schematic diagram of the front right side of a simplified mobile fresh food store in a community as described in this invention; Figure 3 This is a diagram illustrating the opening process of the right-side door of a simplified mobile fresh food store as described in this invention. Figure 4 This is a schematic diagram of the right-side door of a simplified mobile fresh food store in a community, as described in this invention. Figure 5 This is a diagram illustrating a simple support base for a mobile fresh food store in a community, as described in this invention. Figure 6 This is an overall rendering of a simplified mobile fresh food store in a community as described in this invention; Figure 7 This is a rear view of the overall effect of a simplified mobile fresh food store in a community as described in this invention; Figure 8 This is a top view of a simplified community mobile fresh food store in its folded-up state, as described in this invention. Figure 9 This is a top view of a simplified community mobile fresh food store as described in this invention, in its unfolded state. Figure 10 This is a diagram showing the unfolded steps of a simplified mobile fresh food store in a community, as described in this invention. Figure 10 First, a simplified folding diagram of the steps in a mobile community fresh food store as described in this invention; Figure 10 Second, a diagram showing the folding mechanism of a simplified mobile fresh food store in a community as described in this invention; Figure 10 Thirdly, a schematic diagram of a simple community mobile fresh food store support pole as described in this invention; Figure 10 Fourthly, a schematic diagram of the overall design of a simplified community mobile fresh food store roller shutter door as described in this invention; Figure 10 Fifth, a top view of the installation of a simple community mobile fresh food store connector and fixing component as described in this invention; Figure 10 Sixth is a cross-sectional view of the installation of a simple community mobile fresh food store fixing component described in this invention; Figure 10 Seventh is a schematic diagram of a horizontally symmetrical connecting arm of a simple community mobile fresh food store connector according to the present invention; Figure 10 Eighth is a schematic diagram of a simplified community mobile fresh food store connector with a vertically set connecting arm as described in this invention; Figure 10 9. A schematic diagram of a simple community mobile fresh food store fixing component described in this invention; Figure 2 10 is a schematic diagram of a simple community mobile fresh food store fixing plate according to the present invention; In the diagram, 1-carriage, 2-traction device, 3-carriage roof, 4-carriage floor, 5-carriage front panel, 6-rear door, 7-left side door, 71-engine room door, 72-soundproof engine room, 721-generator set and power distribution equipment, 421-fresh food freezer, 422-refrigerator, 42-shelf cabinet, 33-right side door, 31-extendable roof panel, 311-hinged hinge, 313-hole, 41-support base plate, 42-support leg, 32-electric slide, 321-guide rail, 322-slider, 8-support rod, 81-roller shutter door, 82-lower step, 83-upper step, 8 21-First step, 822-Second step, 823-Third step, 824-Fourth step, 825-Fifth step, 826-Step transition pad, 827-Hinge, 810-Support block, 811-Protruding top pin, 812-Connector, 8121-Connector body, 814-Screw hole, 815-Wing bolt, 813-Connecting arm, 816-Fixed component, 817-Small inner bend, 818-Large inner bend, 819-Fixing plate, 9-Door lock, 10-LED screen and audio system, 11-Vending machine, 12-Cashier counter. Detailed Implementation

[0017] The following description, with reference to the accompanying drawings, further illustrates a simplified mobile fresh food store in a community and its usage method according to the present invention. Some conventional or easily conceivable built-in devices and components are not individually labeled. The left and right markings of the vehicle compartment listed in this invention are merely for ease of understanding, and can be interchanged according to the concept of this invention without hindering its implementation. like Figure 1 , 2 As shown in 3, 4, 5, 6, 7, 8, and 9, this invention provides a simple mobile fresh food store in the community. The carrier is a self-powered micro-truck that can travel on roads, including a cargo box 1 and a truck head that serves as a traction device 2. The cargo box is 310*168*200cm in size. The cargo box 1 is a box structure consisting of a top panel 3, a bottom panel 4, a front panel 5, a double-opening rear door 6, a left door 7, and a right door 33. The upper part of the front panel 5 is equipped with an LED screen for advertising and a sound system 10. The carriage is equipped with a monitor (not labeled), an unmanned vending machine 11 that can scan codes to calculate prices, a cashier front desk 12 that can accept cash payments, and an app-based mobile community fresh food information platform (not labeled) that can provide fresh food supply information or pre-order delivery services. like Figure 1 , 9 As shown, a machine room door 71 is provided in front of the left door 7, and a soundproof machine room 72 is provided on the front left side of the carriage 1 corresponding to the machine room door 71. The soundproof machine room 72 is equipped with a generator set and power distribution equipment 721. In order to optimize the cargo space of the carriage for the convenience of customers and ensure the quality of fresh produce, a fresh produce freezer 421 is installed in the carriage 1 behind the soundproof machine room 72, on the left side of the door. Refrigerator 422 is placed in the carriage 1 on the right side of the soundproof machine room 72, near the front panel of carriage 1; Inside carriage 1, the empty space on the floor of carriage 1 is filled with several movable shelves 42, retractable support rods 8, roller shutter doors 81, foldable lower steps 82, and upper steps 83. like Figure 13-18 As shown, in order to make each extended door panel fit flat and extend smoothly when folded, an extended top plate 31 that can extend horizontally to the right is provided under the top plate 3 of the carriage; the right side of the extended top plate 31 is connected to the upper side of the right side door 33 through a hinge 311, and the right side door 33 can be flipped outward to a horizontal state. The top formed by the extended top plate and the right side door together increases the area of ​​the extension space. After the extension top plate 31 and the right side door 33 are unfolded, multiple support rods 8 can be installed underneath. In this embodiment, seven support rods 8 are installed, which are respectively installed at the two corners of the extension top plate 31 near the carriage 1 and the four corners of the right side door 33, and at the middle position of the outer side of the right side door 33. A roller shutter door 81 is installed between adjacent support rods 8. The support rods 8, roller shutter door 81, unfolded extension top plate 31, unfolded right side door 33 and the original carriage 1 form a sales space. This modified simple community mobile fresh food store has a simple structure, is easy to operate, has a large outward extension space, and increases the space height and stability by utilizing the ground. The front right side of the carriage floor 4 is connected to a support base plate 41 that can be flipped outwards to a horizontal position via a hinge 311. Multiple support feet 42 can be installed under the support base plate 41. The length of the support base plate 41 is less than that of the carriage floor 4, and the support base plate 41 is L-shaped. In this embodiment, four support feet 42 are used. The length of the support base plate 41 is less than that of the carriage floor 4, and the extra length can accommodate a lower step 82. Considering the different road conditions in each community, the front of the supporting base plate 41 in the sales space is located near the carriage 1, and the exit is located on the right side of the front of the sales space. The front of the supporting base plate 41 is provided with an upper step 83, which is placed at the entrance on the ground outside the sales space. Shelves 42 are placed on the outer side of the supporting base plate 41. The lower step 82 extends downward along the right side of the carriage 1 and the space left by the supporting base plate 41, and is placed on the ground inside the sales space. Shelves 42 are placed on the ground in the sales space between the lower step 82, the roller shutter door 81, and the supporting base plate 41. An unmanned vending machine 11 is provided at the inner corner of the L-shaped supporting base plate 41. A cashier 12 is provided at the exit of the sales space. Customers can pay through the unmanned vending machine 11 or the cashier 12. In order to maximize the use of space, the supporting base plate 41 is L-shaped. Alternatively, the unmanned vending machine 11 can be omitted, and the supporting base plate 41 can be rectangular.

[0018] like Figure 8 , 9 As shown, multiple electric sliding platforms 32 are horizontally arranged between the roof of the carriage 1 and the extension roof 31. In this embodiment, two electric sliding platforms 32 are used. Each electric sliding platform 32 includes a guide rail 321 and a slider 322 that is sleeved on the guide rail and can slide back and forth along the guide rail. The guide rail 321 is installed under the roof of the carriage 3, and the extension roof 31 is installed under the slider 322. The extension roof 31 can also be installed under the slider 322. The electric sliding platform 32 is connected to the vehicle control system and can be manually controlled to freely push the extension roof 31. This horizontally pushed-out structure simplifies the opening method.

[0019] The roof of the carriage 1 can also be equipped with solar panels for power supply when the vehicle is parked.

[0020] like Figure 10 , 11 As shown in Figure 12, the lower step 82 is a foldable and pull-out structure. The lower step 82 consists of five hollow steps: the first step 821, the second step 822, the third step 823, the fourth step 824, and the fifth step 825. The cross-sectional size of the first step 821 to the fifth step 825 decreases sequentially, forming a nested structure similar to a matryoshka doll. The third step 823 to the first step 821 can be folded up into the previous step. The first step 821, the second step 822, the third step 823, the fourth step 824, and the fifth step 825 are perpendicular to each other. The fourth step... The ladder 824 and the fifth ladder 825 are connected by a hinge 827. The fifth ladder 825 can be folded upwards onto the fourth ladder 824 and stored inside the third ladder 823 via the hinge 827. A step transition pad 826 is also provided between the first ladder 821 and the fourth ladder 824 to make the user walk smoothly. The fourth ladder 824 is a right trapezoid. The fifth ladder 825 has a base equal to the length of the top base of the fourth ladder 824 and a third side equal to the length of the hypotenuse of the fourth ladder 824. It can be folded into a cuboid. The number of steps 82 can be designed according to the size of the sales space.

[0021] Holes 313 are provided below the outer perimeter corners of the extension top plate 31 and the right side door 33. In this embodiment, the holes 313 are located at the two corners of the extension top plate 31 near the carriage 1, the four corners of the right side door 33, and the middle of the outer edge of the right side door 33. The support rod 8 is a telescopic square tube. The top of the support rod 8 is provided with a protruding top pin 811. The support rod 8 is provided with a support block 810 below it to increase the stability of the support. The holes 313 are correspondingly provided with the protruding top pin 811, and the protruding top pin 811 can be inserted into the holes 313. like Figure 13 , 20As shown, a connector 812 is fitted on the top of the support rod 8. The main body of the connector 812 is a square tube. The front of the main body of the connector 812 is provided with screw holes 814 and wing bolts 815 for fixing the support rod 8. The upper end of the main body of the connector 812 is provided with two connecting arms 813. The connecting arms 813 are provided with screw holes 814 and wing bolts 815. like Figure 16 , 19 As shown, the roller shutter door 81 is a pull-out roller shutter, and both ends of the roller shutter door 81 are installed on the connecting arm 813 by fasteners. The fixing member 816 has an inwardly curved structure. The fixing member 816 includes a small inward curve 817 and a large inward curve 818. The small inward curve 817 can be fitted onto the connecting arm 813, and the large inward curve 818 can be fitted onto both ends of the roller shutter door 81. The small inward curve 817 has a screw hole 814 and a wing bolt 815 on its front side to fix the connecting arm 813. The small inward curve 817 and the large inward curve 818 have openings, and the roller shutter door 81 can be pulled out from the opening of the large inward curve 818.

[0022] like Figure 17 , 18 As shown, the connector 812, which is fitted onto the middle position of the outer periphery of the extension top plate 31 and the right side door 33, has two horizontally symmetrically arranged connecting arms 813; the connector 812, which is fitted onto the corner position of the outer periphery of the right side door 33, has two vertically arranged connecting arms 813; the connector 812, which is fitted onto the corner position of the outer periphery of the extension top plate 31, has a vertically arranged connecting arm 813. The side of the extension top plate 31 closest to the carriage 1 does not need a roller shutter, so the connector 812 only needs one connecting arm 813. The connector 812 at the corner position of the outer periphery of the right side door 33 needs to fix the two vertical roller shutter doors 81, so a vertically arranged connecting arm 813 is required.

[0023] The lower part of the support rod 8 is fixed with a fixing plate 819 by a butterfly bolt 815. When the roller shutter door 81 is pulled down, the fixing plate 819 fixes the roller shutter door 81 by the butterfly bolt 815.

[0024] To ensure vehicle safety during operation, a door lock 9 is provided between the bottom of the right-side door 33 and the floor of the carriage 1.

[0025] This invention also provides a simple method for using a mobile fresh food store in a community, the specific method of use is as follows: (1) Publish fresh produce information about products that will be delivered to the community or provide reservation and ordering services to community members through the mobile community fresh produce information platform app; (2) Open the back door and sort, code, and pack the fresh produce into the fresh freezer 421 and the shelf cabinet 42. Turn on the generator set 721 and the power distribution equipment. Use the traction device 2 to let the carriage 1 enter the selected section of the community and stop. Turn on the LED screen and the sound system 10. (3) Open the door lock 9, start the electric slide 32 to open the extension top plate 31 horizontally to the right; take out the retractable support rod 8 and open it. The top of the support rod 8 is fitted with the connector 812 and tightened with the butterfly bolt 815. Use the support rod 8 to raise the extension top plate 31 and the right door 33, and align the top pin with the insertion hole 313; fit the large inner bend 818 of the fixing piece 816 at both ends of the roller shutter door 81 and fix it with the butterfly bolt 815. Put the two ends of the roller shutter door 81 close to the outside of the connecting arm 813. This simple structure saves the complicated opening structure. Then pull back the small inner bend 817 of the fixing piece 816 and fit it horizontally on the connecting arm 813 and tighten it with the butterfly bolt 815. Pull down the roller shutter door 81 and fix it on the support rod 8 with the fixing plate 819. (4) Open the support base plate 41 horizontally to the right, install the support feet under the support base plate 41, place the upper step 83 in front of the support base plate 41, and place the container on the support base plate 41; pull out the lower step 82 in sequence and extend it downward along the right side of the carriage 1 and the space left by the support base plate 41, and place the lower step 82 on the ground in the sales space; set up an unmanned vending machine 11 in the inner corner of the support base plate 41, and set up a cashier counter 12 in front of the sales space.

[0026] Multiple movable shelves 42 inside the carriage 1 are placed along the inner wall of the carriage 1 behind the extension space and the supporting base plate 41; fresh food is placed on the shelves 42 from the refrigerator 422. (6) Customers enter the roller shutter door 81 from the upper step 83 to select fresh produce, and then go to the unmanned vending machine 11 to settle the payment after passing the lower step 82. Headquarters personnel can monitor and manage the operation through the monitor. (7) When the sale is over and the stall is closed, first put the fresh produce back into the refrigerator 422, and put the shelf cabinet 42, the upper step 83, and the retracted lower step 82 back into the carriage 1. (8) Next, remove the fixing plate 819, the roller shutter door 81, and the fixing piece 816. Remove the support legs and lift up the support base plate 41. (9) Retract the support rod 8, the right door 33 flips down, and the support rod 8 is swung back into the carriage 1. (10) Finally, start the electric slide 32, retract the extension top plate 31 into the carriage 1, and lock the door lock 9.

[0027] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A simple mobile fresh food store for communities, comprising a wheeled carriage and a traction device for moving the carriage, the carriage being a body structure consisting of a roof, a floor, a front panel, a double-opening rear door, a left door, and a right door, characterized in that: The upper part of the front panel of the vehicle is equipped with an LED screen and a sound system for advertising. The carriage is equipped with a monitoring device; A machine room door is located in front of the left-side door. A soundproof machine room is located on the front left side of the carriage corresponding to the machine room door. The soundproof machine room contains a generator set and power distribution equipment. A fresh food freezer is located in the carriage behind the soundproof machine room, on the left side of the door. A refrigerator is placed in the carriage on the right side of the soundproof machine room, near the front panel of the carriage. The empty space on the floor of the carriage is filled with several movable shelves, retractable support rods, roller shutters, and foldable lower and upper steps. The carriage roof is equipped with an extendable roof panel that can extend horizontally outward and to the right. Multiple electric sliding platforms are horizontally arranged between the roof panel of the carriage and the extension roof panel. Each electric sliding platform includes a guide rail and a slider that is sleeved on the guide rail and can slide back and forth along the guide rail. The guide rail is installed under the roof panel of the carriage, and the extension roof panel is installed under the slider. The right side of the extension top plate is connected to the top of the right side door via a hinge, allowing the right side door to be flipped outwards to a horizontal position. Holes are provided below the outer perimeter corners of the extension top plate and the right side door. The support rod is a telescopic square tube with a protruding top pin at the top and a support block below. The holes are corresponding to the protruding top pin, and the protruding top pin can be inserted into the holes. The support rod is fitted with a connector on top. The main body of the connector is a square tube. The front of the main body of the connector is provided with screw holes and wing bolts. The upper end of the main body of the connector is provided with two connecting arms. The connecting arms are provided with screw holes and wing bolts. Both ends of the roller shutter door are mounted on the connecting arm via fasteners; The fastener is an inwardly curved structure, which includes a small inward curve and a large inward curve. The small inward curve can be fitted onto the connecting arm, and the large inward curve can be fitted onto both ends of the roller shutter door. The small inward curve has screw holes and wing bolts on its front side. The support rods, roller shutter door, unfolded extension roof panel, unfolded right-side door, original carriage and ground form a sales space.

2. A simplified mobile fresh food store in a community according to claim 1, characterized in that: The right front of the carriage floor is connected by a hinge to a support base plate that can be flipped outward to a horizontal position. Multiple support feet can be installed under the support base plate. The length of the support base plate is less than that of the carriage floor plate, and the support base plate is L-shaped.

3. A simplified mobile fresh food store in a community according to claim 2, characterized in that: An entrance is located at the front end of the supporting base plate within the sales area, near the vehicle compartment, and an exit is located at the front right side of the sales area. An upper step is positioned at the entrance on the ground outside the sales area, located at the front end of the supporting base plate. Shelves are placed along the outer edge of the supporting base plate. A lower step extends along the right side of the vehicle compartment and into the space between the supporting base plate, landing on the ground within the sales area. Shelves are placed on the ground in the remaining sales area between the lower step, the roller shutter door, and the supporting base plate. An unmanned vending machine is located at the inner corner of the L-shaped section of the supporting base plate. A cashier's counter is located at the exit of the sales area.

4. A simplified mobile fresh food store in a community according to claim 1, characterized in that: The lower step is a foldable and pull-out structure with five steps: the first step, the second step, the third step, the fourth step, and the fifth step. The cross-sectional size of the first step to the fifth step decreases sequentially. The third step to the first step can be folded up into the previous step. The first step, the second step, the third step, the fourth step, and the fifth step are perpendicular to each other. The fourth step and the fifth step are connected by hinges. The fifth step can be folded up onto the fourth step by the hinges and folded into the third step from the side. A transition pad is also provided between the first step and the fourth step.

5. A simplified mobile fresh food store for communities according to claim 1, characterized in that: The two connecting arms are arranged horizontally and symmetrically about the connecting member as an axis; the two connecting arms can also be arranged perpendicularly about the connecting member as an axis.

6. A simplified mobile fresh food store in a community according to claim 1, characterized in that: The lower part of the support rod is provided with a fixing plate, which is fixed to the support rod by wing bolts.

7. A simplified mobile fresh food store for communities according to claim 1, characterized in that: A door lock is installed between the lower part of the right-side door and the floor of the carriage.

8. A method of using the simplified community mobile fresh food store as described in any one of claims 1-7, characterized in that, The specific usage instructions are as follows: (1) Publish fresh produce information about products that will be delivered to the community or provide reservation and ordering services to community members through the mobile community fresh produce information platform app; (2) Open the back door, sort, code, and pack the fresh produce into the fresh freezer and shelf cabinets, turn on the generator set and power distribution equipment, use the traction device to bring the carriage into the selected section of the community and stop it, and turn on the LED screen and sound system. (3) Unlock the door and start the electric slide to open the extension top plate horizontally to the right; take out the retractable support rod and open it. Fit the connectors onto the top of the support rod and tighten them with butterfly bolts. Use the support rod to raise the extension top plate and the right door, and align the top pin with the hole; fit the large inner bend of the fixing piece into both ends of the roller shutter door and press both ends of the roller shutter door against the outside of the connecting arm. Then pull the small inner bend of the fixing piece back onto the connecting arm and tighten it with butterfly bolts; pull down the roller shutter door and fix it to the support rod with the fixing plate. (4) Open the support base plate horizontally to the right, install the support feet under the support base plate, place the upper step in front of the support base plate, and place the container on the support base plate; pull out the lower step in sequence and extend it to the ground along the right side of the carriage and the space left by the support base plate, and place the lower step on the ground in the sales space; set up an unmanned vending machine in the inner corner of the support base plate, and set up a cashier counter in front of the sales space; (5) Place multiple movable shelves and cabinets in the carriage along the inner wall and supporting base of the carriage behind the extension space; place fresh food from the refrigerator into the shelves and cabinets respectively; (6) Customers enter the roller shutter door from the top step, select fresh produce, and then go down the bottom step to the unmanned vending machine to settle the payment. Headquarters staff can monitor and manage the operation through a monitor. (7) When the sale is over and the stall is closed, first put the fresh produce back into the refrigerator, and put the shelves, upper steps and retracted lower steps back into the carriage. (8) Next, remove the fixing plate, roll up the roller shutter door, remove the fasteners, and install the roller shutter door into the carriage; roll up the support legs and lift up the support base plate; (9) Retract the support rod, lower the right door vertically, and swing the support rod back into the carriage; (10) Finally, start the electric slide to retract the extended top plate into the carriage and close the right door at the same time, and lock the door lock.

Images