CN108891781B

CN108891781B - Vegetable and fruit fresh-keeping device for logistics transportation

Info

Publication number: CN108891781B
Application number: CN201810895139.5A
Authority: CN
Inventors: 陈丽琴
Original assignee: Zhejiang Jia Nong Fruit And Vegetable Ltd By Share Ltd
Current assignee: Zhejiang Jia Nong fruit and vegetable Limited by Share Ltd
Priority date: 2018-08-08
Filing date: 2018-08-08
Publication date: 2020-05-15
Anticipated expiration: 2038-08-08
Also published as: CN108891781A

Abstract

The invention provides a vegetable and fruit fresh-keeping device for logistics transportation, which comprises a box body, an outer wall and small wheels, wherein the box body is provided with a plurality of grooves; the top of the box body is covered with a group of box covers; the upper parts of the left and right end surfaces of the box body are fixedly connected with a group of the hand-held handles; the tops of the left end face and the right end face of the box body are fixedly connected with a group of sealing lock catches; the box body is tightly pressed with the box cover through the sealing lock catch; a group of water outlet holes of the quick drain valve are formed in the middle of the quick drain valve screw; and a group of quick drain valve shell sealing gaskets are arranged in the center of the interior of the quick drain valve shell. By adopting the honeycomb structure, the weight is reduced, meanwhile, the strength and the heat insulation performance are enough, the carrying is light, and the carrying and the transportation are convenient; the box body is simple in structure, low in cost, convenient to operate, free of extra equipment, capable of reducing expenditure and simplifying operation, convenient to manage, suitable for long-distance logistics transportation and suitable for carrying and fresh keeping of retailers.

Description

Vegetable and fruit fresh-keeping device for logistics transportation

Technical Field

The invention belongs to the technical field of logistics storage and fruit and vegetable preservation, and particularly relates to a fruit and vegetable preservation device for logistics transportation.

Background

Along with the improvement of living standard, people's requirement to vegetables and fruits is more and more high, and fresh-keeping to fresh vegetables and fruits is the main problem that faces in vegetables and fruits transportation, and vegetables and fruits are fresh-keeping in the past, to the mode such as the not high mode preservation of generally adopting watering, cooling of adopting of requiring, to the mode preservation and the transportation of generally adopting low temperature, hypoxemia that require to be higher, and conveyor is large-scale generally adopts integral vegetables and fruits transportation van, and miniature adoption foam box transports and stores.

Based on the above, the inventor finds that in the past, the fresh-keeping transportation mode of large vegetable and fruit transportation van truck has a good fresh-keeping effect, but is not beneficial to loading and unloading and subordinate distribution, universal logistics transportation cannot be realized, the fresh-keeping effect of small foam boxes and the like is poor, damage is easily suffered during transportation, the transportation is inconvenient, the self weight of the box body is large for a special fruit and vegetable fresh-keeping box, a special inflating device is needed, and the transportation operation is troublesome.

Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a vegetable and fruit preservation device for logistics transportation is provided, so as to achieve the purpose of higher practical value.

Disclosure of Invention

In order to solve the technical problems, the invention provides a vegetable and fruit fresh-keeping device for logistics transportation, which aims to solve the problems of inconvenience in transportation, troublesome operation and incapability of realizing the universalization of logistics transportation in the prior art.

The invention relates to a vegetable and fruit fresh-keeping device for logistics transportation, which is achieved by the following specific technical means:

a vegetable and fruit fresh-keeping device for logistics transportation comprises a box body, an outer wall, an inner wall, a supporting layer, a box cover, a portable handle, a sealing lock catch, a one-way inflation valve, a quick drain valve screw, a quick drain valve shell, a quick drain valve inlet tank, a quick drain valve shell sealing gasket, a quick drain valve screw sealing gasket, a quick drain valve water outlet hole, an information bag, a vent valve, a button, a vent valve shell, a vent valve spring, a vent valve exhaust groove, a vent valve sealing gasket, an automatic pressure regulating valve adjusting nut, an automatic pressure regulating valve shell, an automatic pressure regulating valve spring, an automatic pressure regulating valve core, an automatic pressure regulating valve exhaust groove, an automatic pressure; the top of the box body is covered with a group of box covers; the upper parts of the left and right end surfaces of the box body are fixedly connected with a group of the hand-held handles; the tops of the left end face and the right end face of the box body are fixedly connected with a group of sealing lock catches; the box body is tightly pressed with the box cover through the sealing lock catch; the center of the front end face of the box body is fixedly connected with a group of information bags; the bottom of the right side of the box body is respectively provided with a group of one-way inflation valves and a group of quick drainage valves; a group of partition plates are movably connected to the lower part inside the box body; a group of small wheels is arranged at four corners of the bottom of the box body; the center of the top of the box cover is fixedly connected with a group of exhaust valves and a group of automatic pressure regulating valves respectively; the quick drain valve is composed of the quick drain valve screw, the quick drain valve shell, the quick drain valve water inlet groove, the quick drain valve shell sealing gasket, the quick drain valve screw sealing gasket and the quick drain valve water outlet hole; a plurality of groups of water inlet grooves of the quick drain valve are distributed in a radial array on the left side of the quick drain valve shell; the quick drain valve screw is in threaded connection with the quick drain valve shell; a group of water outlet holes of the quick drain valve are formed in the middle of the quick drain valve screw; the center inside the quick drain valve shell is provided with a group of quick drain valve shell sealing gaskets; the left end face of the quick drain valve screw is fixedly connected with a group of annular quick drain valve screw sealing gaskets; the exhaust valve is composed of the button, the exhaust valve shell, the exhaust valve spring, the exhaust valve exhaust groove, the exhaust valve inlet groove and the exhaust valve sealing gasket; a plurality of groups of exhaust grooves of the exhaust valve are circumferentially arrayed on the top of the exhaust valve shell; a plurality of groups of exhaust valve air inlet grooves are circumferentially arrayed at the bottom of the exhaust valve shell; the upper part of the exhaust valve shell is connected with a group of buttons in a sliding way; the lower part of the button is fixedly connected with a group of exhaust valve springs; the bottom of the button is fixedly connected with a group of exhaust valve sealing gaskets; the automatic pressure regulating valve consists of an automatic pressure regulating valve adjusting nut, an automatic pressure regulating valve shell, an automatic pressure regulating valve spring, an automatic pressure regulating valve core, an automatic pressure regulating valve exhaust groove, an automatic pressure regulating valve exhaust hole and an automatic pressure regulating valve sealing gasket; the bottom of the automatic pressure regulating valve shell is provided with a group of automatic pressure regulating valve exhaust holes; a plurality of groups of automatic pressure regulating valve exhaust grooves are circumferentially arrayed on the top of the upper part of the automatic pressure regulating valve shell; the top of the automatic pressure regulating valve shell is in threaded connection with a group of automatic pressure regulating valve adjusting nuts; the bottom of the adjusting nut of the automatic pressure regulating valve is provided with a group of automatic pressure regulating valve springs; the bottom of the automatic pressure regulating valve spring is fixedly connected with a group of automatic pressure regulating valve cores; the bottom of the valve core of the automatic pressure regulating valve is fixedly connected with a group of automatic pressure regulating valve sealing gaskets.

Further, the case lid top is sunken formula structure, the box lateral wall is the mechanism that leans out, the bottom size of box with the case lid top is sunken consistent.

Furthermore, a boss is arranged at the bottom of the inner wall of the box body and matched with the partition plate to keep a certain distance between the partition plate and the bottom of the inner cavity of the box body.

Furthermore, the box body wall of box by the outer wall, the inner wall with the supporting layer constitutes, wherein the supporting layer is honeycomb structure, fills foaming thermal insulation material in the honeycomb space.

Further, the sealing lock catch is of a hasp lock structure.

Further, when the screw of the quick drain valve is screwed down, the sealing gasket of the shell of the quick drain valve is matched and sealed with the sealing gasket of the screw of the quick drain valve, and when the screw of the quick drain valve is loosened, the sealing gasket of the shell of the quick drain valve is separated from the sealing gasket of the screw of the quick drain valve, and the water inlet groove of the quick drain valve is communicated with the water inlet groove of the quick drain valve.

Further, the exhaust valve sealing gasket with the cooperation between the exhaust valve shell, under the effect of exhaust valve spring the exhaust valve sealing gasket with the exhaust valve shell is sealed, presses the button, the exhaust valve sealing gasket with the separation of exhaust valve shell, switch-on exhaust valve air discharge duct with the exhaust valve air inlet duct.

Furthermore, the automatic pressure regulating valve sealing gasket is matched with the automatic pressure regulating valve shell to seal the exhaust hole of the automatic pressure regulating valve, when the bottom pressure is overlarge, the air pressure is used for jacking the automatic pressure regulating valve sealing gasket, the automatic pressure regulating valve sealing gasket is separated from the automatic pressure regulating valve shell, and the automatic pressure regulating valve exhaust groove and the automatic pressure regulating valve exhaust hole are communicated.

Compared with the prior art, the invention has the following beneficial effects:

the side wall inclining outwards is adopted, so that the size of the bottom of the box body is consistent with that of the top of the box cover in a concave mode, the sliding between the upper layer and the lower layer can be effectively prevented in the transportation process, and the transportation process is safer; the upper layer and the lower layer are separated by arranging the partition plate, fruits and vegetables are placed on the upper layer, the ice bag and water flowing down from the fruits and vegetables are placed on the lower layer, and the water is discharged through the quick water discharge valve; the automatic pressure relief is realized automatically by adopting the automatic pressure regulating valve, the use is convenient, the danger caused by overlarge pressure and the crushing of the pressure suffered by the fruits and vegetables are prevented, the adjustment is convenient by adjusting the air pressure through the automatic pressure regulating valve adjusting nut, meanwhile, the air can be added in a direct air adding mode during air adding, the air adding is not required to be carried out through a barometer or special equipment, the operation is convenient, and the efficiency is high; by adopting the honeycomb structure, the weight is reduced, meanwhile, the strength and the heat insulation performance are enough, the carrying is light, and the carrying and the transportation are convenient; the unidirectional inflation valve is arranged at the bottom, and gases with higher density, such as carbon dioxide, nitrogen and the like, are filled, so that the oxygen content can be effectively reduced, and the phenomenon that the upper part of the upper part is aerated and is discharged is prevented; the manual exhaust is realized by arranging the exhaust valve, so that the operation is convenient; the carrying and transportation are facilitated by arranging the hand-held handles and the small wheels, and the logistics management and the identification of stored fruits and vegetables, the attention of the carrying and the logistics management and the transportation of the fruits and vegetables are facilitated by arranging the information bags for placing related information; the box body is simple in structure, low in cost, convenient to operate, free of extra equipment, capable of reducing expenditure and simplifying operation, convenient to manage, suitable for long-distance logistics transportation and suitable for carrying and fresh keeping of retailers.

Drawings

FIG. 1 is a schematic axial side view of the present invention.

Fig. 2 is a schematic view of the full-section structure of the present invention.

Fig. 3 is a schematic diagram of the wall structure of the tank of the present invention.

Fig. 4 is a schematic view of a full-section of the exhaust valve of the present invention.

Fig. 5 is a schematic axial side view of the exhaust valve of the present invention.

Fig. 6 is a schematic diagram of the full-section structure of the automatic pressure regulating valve of the present invention.

Fig. 7 is a schematic view of the full-section structure of the quick drain valve of the present invention.

Fig. 8 is a schematic view of the axial side structure of the quick drain valve of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1-box body, 0101-outer wall, 0102-inner wall, 0103-supporting layer, 2-box cover, 3-hand handle, 4-sealing lock catch, 5-one-way inflation valve, 6-quick drain valve, 0601-quick drain valve screw, 0602-quick drain valve shell, 0603-quick drain valve inlet tank, 0604-quick drain valve shell sealing gasket, 0605-quick drain valve screw sealing gasket, 0606-quick drain valve outlet hole, 7-information bag, 8-exhaust valve, 0801-button, 0802-exhaust valve shell, 0803-exhaust valve spring, 0804-exhaust valve exhaust groove, 0805-exhaust valve inlet tank, 0806-exhaust valve sealing gasket, 9-automatic pressure regulating valve, 0901-automatic pressure regulating valve regulating nut, 0902-automatic pressure regulating valve shell, 0903-automatic pressure regulating valve spring, 0904-automatic pressure regulating valve spool, 0905-automatic pressure regulating valve exhaust groove, 0906-automatic pressure regulating valve exhaust hole, 0907-automatic pressure regulating valve gasket, 10-partition plate, 11-pindle.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 8:

the invention provides a vegetable and fruit fresh-keeping device for logistics transportation, which comprises a box body 1, an outer wall 0101, an inner wall 0102, a supporting layer 0103, a box cover 2, a hand-held handle 3, a sealing lock 4, a one-way inflation valve 5, a quick drain valve 6, a quick drain valve screw 0601, a quick drain valve shell 0602, a quick drain valve water inlet groove 0603, a quick drain valve shell gasket 0604, a quick drain valve screw gasket 0605, a quick drain valve water outlet hole 0606, an information bag 7, an exhaust valve 8, a button 0801, an exhaust valve shell 0802, an exhaust valve spring 0803, an exhaust valve exhaust groove 0804, an exhaust valve inlet groove 0805, an exhaust valve gasket 0806, an automatic pressure regulating valve 9, an automatic pressure regulating valve adjusting nut 0901, an automatic pressure regulating valve shell 0902, an automatic pressure regulating valve spring 0903, an automatic pressure regulating valve core 0904, an automatic pressure regulating valve, A partition 10 and a small wheel 11; the top of the box body 1 is covered with a group of box covers 2; the upper parts of the left and right end surfaces of the box body 1 are fixedly connected with a group of the hand handles 3; the tops of the left and right end surfaces of the box body 1 are fixedly connected with a group of sealing lock catches 4; the box body 1 is tightly pressed with the box cover 2 through the sealing lock catch 4; the center of the front end face of the box body 1 is fixedly connected with a group of information bags 7; a group of one-way inflation valves 5 and a group of quick drain valves 6 are respectively arranged at the right bottom of the box body 1; a group of partition boards 10 are movably connected to the lower part inside the box body 1; four corners of the bottom of the box body 1 are provided with a group of small wheels 11; the central position of the top of the box cover 2 is respectively and fixedly connected with a group of exhaust valves 8 and a group of automatic pressure regulating valves 9; the quick drain valve 6 is composed of the quick drain valve screw 0601, the quick drain valve shell 0602, the quick drain valve water inlet tank 0603, the quick drain valve shell sealing gasket 0604, the quick drain valve screw sealing gasket 0605 and the quick drain valve water outlet 0606; a plurality of groups of rapid drain valve water inlet grooves 0603 are radially distributed on the left side of the rapid drain valve shell 0602 in an array manner; the quick drain valve screw 0601 is in threaded connection with the quick drain valve shell 0602; a group of water outlet holes 0606 of the quick drain valve are formed in the middle of the quick drain valve screw 0601; a group of rapid drain valve housing sealing gaskets 0604 is arranged in the center inside the rapid drain valve housing 0602; the left end face of the quick drain valve screw 0601 is fixedly connected with a group of annular quick drain valve screw sealing gaskets 0605; the exhaust valve 8 is composed of the button 0801, the exhaust valve housing 0802, the exhaust valve spring 0803, the exhaust valve exhaust groove 0804, the exhaust valve inlet groove 0805 and the exhaust valve seal 0806; a plurality of groups of exhaust valve exhaust grooves 0804 are circumferentially arrayed at the top of the exhaust valve shell 0802; a plurality of groups of exhaust valve air inlet grooves 0805 are circumferentially arranged at the bottom of the exhaust valve shell 0802 in an array manner; a group of buttons 0801 is connected to the upper part of the exhaust valve shell 0802 in a sliding way; the lower part of the button 0801 is fixedly connected with a group of exhaust valve springs 0803; the bottom of the button 0801 is fixedly connected with a group of exhaust valve sealing gaskets 0806; the automatic pressure regulating valve 9 is composed of the automatic pressure regulating valve adjusting nut 0901, the automatic pressure regulating valve housing 0902, the automatic pressure regulating valve spring 0903, the automatic pressure regulating valve spool 0904, the automatic pressure regulating valve exhaust groove 0905, the automatic pressure regulating valve exhaust hole 0906, and the automatic pressure regulating valve packing 0907; the bottom of the automatic pressure regulating valve housing 0902 is provided with a group of automatic pressure regulating valve exhaust holes 0906; a plurality of groups of automatic pressure regulating valve exhaust grooves 0905 are arranged on the top circumference of the automatic pressure regulating valve housing 0902; the top of the automatic pressure regulating valve housing 0902 is in threaded connection with a group of automatic pressure regulating valve adjusting nuts 0901; a group of automatic pressure regulating valve springs 0903 are arranged at the bottom of the automatic pressure regulating valve adjusting nut 0901; the bottom of the automatic pressure regulating valve spring 0903 is fixedly connected with a group of automatic pressure regulating valve spools 0904; the bottom of the automatic pressure regulating valve spool 0904 is fixedly connected with a group of automatic pressure regulating valve gaskets 0907.

Wherein, 2 tops of case lid are sunken formula structure, 1 lateral wall of box is for leaning out the mechanism, 1 bottom size of box with 2 tops of case lid are sunken formula consistent, prevent in the transportation pile up put together about two slippage between the box 1.

The bottom of the inner wall of the box body 1 is provided with a boss which is matched with the partition plate 10 to keep the partition plate 10 and the bottom of the inner cavity of the box body 1 at a certain distance, and the ice bag storage box can be used for storing ice bags when in use.

The wall of the tank 1 is composed of the outer wall 0101, the inner wall 0102 and the support layer 0103, wherein the support layer 0103 is a honeycomb structure, and a foam insulation material is filled in a honeycomb gap.

Wherein, the sealing lock catch 4 is of a hasp lock structure.

When the quick drain valve screw 0601 is screwed down, the quick drain valve shell sealing gasket 0604 is matched and sealed with the quick drain valve screw sealing gasket 0605, and when the quick drain valve screw 0601 is loosened, the quick drain valve shell sealing gasket 0604 is separated from the quick drain valve screw sealing gasket 0605, so that the quick drain valve water inlet groove 0603 and the quick drain valve water inlet groove 0603 are communicated.

Wherein, discharge valve sealed pad 0806 with cooperation between the discharge valve shell 0802, under discharge valve spring 0803's effect discharge valve sealed pad 0806 with discharge valve shell 0802 is sealed, presses button 0801, discharge valve sealed pad 0806 with discharge valve shell 0802 separation, the switch-on discharge valve exhaust groove 0804 with discharge valve inlet slot 0805.

The automatic pressure regulating valve gasket 0907 is fitted to the automatic pressure regulating valve housing 0902 to seal the automatic pressure regulating valve exhaust hole 0906, and when the bottom pressure is excessive, the automatic pressure regulating valve gasket 0907 is lifted up by the air pressure, the automatic pressure regulating valve gasket 0907 is separated from the automatic pressure regulating valve housing 0902, and the automatic pressure regulating valve exhaust groove 0905 and the automatic pressure regulating valve exhaust hole 0906 are connected.

The specific use mode and function of the embodiment are as follows:

when the fruit and vegetable automatic air-filling device is used, firstly, an ice bag is placed in a cavity of a partition plate 10, the partition plate 10 is covered, then, fruits and vegetables are placed, after the ice bag is fully placed, a sealing lock catch 4 is fastened and sealed, gases such as carbon dioxide, nitrogen and the like are filled into a box through a one-way inflation valve 5, when the pressure reaches a certain pressure, the pressure generated by the air pressure acts on an automatic pressure regulating valve sealing gasket 0907, when the pressure is larger than the elastic force of an automatic pressure regulating valve spring 0903, the air pressure pushes the automatic pressure regulating valve sealing gasket 0907 to move upwards, the gases are discharged through an automatic pressure regulating valve exhaust hole 0906 and an automatic pressure regulating valve exhaust groove 0905, when the automatic pressure regulating valve 9 starts to exhaust, the air filling is stopped, information such as fruit and vegetable information cards; when the air needs to be exhausted, the button 0801 is pressed, the button 0801 compresses the exhaust valve spring 0803 and drives the exhaust valve sealing gasket 0806 to move downwards, and the air is exhausted through the exhaust valve air inlet groove 0805 and the exhaust valve exhaust groove 0804; when water needs to be drained, the screw 0601 of the quick drain valve is loosened, the sealing gasket 0604 of the quick drain valve shell is separated from the sealing gasket 0605 of the quick drain valve screw, and water is drained from the water outlet 0606 of the quick drain valve through the water inlet groove 0603 of the quick drain valve; in use, the pre-tightening force of the automatic pressure regulating valve spring 0903 can be adjusted by rotating the automatic pressure regulating valve adjusting nut 0901, so that the pressure for opening the automatic pressure regulating valve sealing gasket 0907 is adjusted; when in use, the utility model can be carried by the hand-held handle 3 or transported by the small wheel 11.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a vegetables and fruits fresh-keeping device for commodity circulation transportation which characterized in that: the vegetable and fruit fresh-keeping device for logistics transportation comprises a box body, an outer wall, an inner wall, a supporting layer, a box cover, a portable handle, a sealing lock catch, a one-way inflation valve, a quick drain valve screw, a quick drain valve shell, a quick drain valve inlet tank, a quick drain valve shell sealing gasket, a quick drain valve screw sealing gasket, a quick drain valve water outlet hole, an information bag, a vent valve, a button, a vent valve shell, a vent valve spring, a vent valve exhaust groove, a vent valve inlet groove, a vent valve sealing gasket, an automatic pressure regulating valve adjusting nut, an automatic pressure regulating valve shell, an automatic pressure regulating valve spring, an automatic pressure regulating valve core, an automatic pressure; the top of the box body is covered with a group of box covers; the upper parts of the left and right end surfaces of the box body are fixedly connected with a group of the hand-held handles; the tops of the left end face and the right end face of the box body are fixedly connected with a group of sealing lock catches; the box body is tightly pressed with the box cover through the sealing lock catch; the center of the front end face of the box body is fixedly connected with a group of information bags; the bottom of the right side of the box body is respectively provided with a group of one-way inflation valves and a group of quick drainage valves; a group of partition plates are movably connected to the lower part inside the box body; a group of small wheels is arranged at four corners of the bottom of the box body; the center of the top of the box cover is fixedly connected with a group of exhaust valves and a group of automatic pressure regulating valves respectively; the quick drain valve is composed of the quick drain valve screw, the quick drain valve shell, the quick drain valve water inlet groove, the quick drain valve shell sealing gasket, the quick drain valve screw sealing gasket and the quick drain valve water outlet hole; a plurality of groups of water inlet grooves of the quick drain valve are distributed in a radial array on the left side of the quick drain valve shell; the quick drain valve screw is in threaded connection with the quick drain valve shell; a group of water outlet holes of the quick drain valve are formed in the middle of the quick drain valve screw; the center inside the quick drain valve shell is provided with a group of quick drain valve shell sealing gaskets; the left end face of the quick drain valve screw is fixedly connected with a group of annular quick drain valve screw sealing gaskets; the exhaust valve is composed of the button, the exhaust valve shell, the exhaust valve spring, the exhaust valve exhaust groove, the exhaust valve inlet groove and the exhaust valve sealing gasket; a plurality of groups of exhaust grooves of the exhaust valve are circumferentially arrayed on the top of the exhaust valve shell; a plurality of groups of exhaust valve air inlet grooves are circumferentially arrayed at the bottom of the exhaust valve shell; the upper part of the exhaust valve shell is connected with a group of buttons in a sliding way; the lower part of the button is fixedly connected with a group of exhaust valve springs; the bottom of the button is fixedly connected with a group of exhaust valve sealing gaskets; the automatic pressure regulating valve consists of an automatic pressure regulating valve adjusting nut, an automatic pressure regulating valve shell, an automatic pressure regulating valve spring, an automatic pressure regulating valve core, an automatic pressure regulating valve exhaust groove, an automatic pressure regulating valve exhaust hole and an automatic pressure regulating valve sealing gasket; the bottom of the automatic pressure regulating valve shell is provided with a group of automatic pressure regulating valve exhaust holes; a plurality of groups of automatic pressure regulating valve exhaust grooves are circumferentially arrayed on the top of the upper part of the automatic pressure regulating valve shell; the top of the automatic pressure regulating valve shell is in threaded connection with a group of automatic pressure regulating valve adjusting nuts; the bottom of the adjusting nut of the automatic pressure regulating valve is provided with a group of automatic pressure regulating valve springs; the bottom of the automatic pressure regulating valve spring is fixedly connected with a group of automatic pressure regulating valve cores; the bottom of the valve core of the automatic pressure regulating valve is fixedly connected with a group of automatic pressure regulating valve sealing gaskets; the exhaust valve sealing gasket is matched with the exhaust valve shell, the exhaust valve sealing gasket is sealed with the exhaust valve shell under the action of an exhaust valve spring, the button is pressed, the exhaust valve sealing gasket is separated from the exhaust valve shell, and the exhaust valve exhaust groove and the exhaust valve air inlet groove are communicated; the automatic pressure regulating valve is characterized in that the automatic pressure regulating valve sealing gasket is matched with the automatic pressure regulating valve shell to seal the exhaust hole of the automatic pressure regulating valve, when the bottom pressure is overlarge, the air pressure is used for jacking the automatic pressure regulating valve sealing gasket, the automatic pressure regulating valve sealing gasket is separated from the automatic pressure regulating valve shell, and the automatic pressure regulating valve exhaust groove and the automatic pressure regulating valve exhaust hole are communicated.

2. The vegetable and fruit preservation device for logistics transportation according to claim 1, wherein: the case lid top is sunken formula structure, the box lateral wall is for leaning out the mechanism, the bottom size of box with the case lid top is sunken consistent.

3. The vegetable and fruit preservation device for logistics transportation according to claim 1, wherein: the bottom of the inner wall of the box body is provided with a boss which is matched with the partition plate to keep a certain distance between the partition plate and the bottom of the inner cavity of the box body.

4. The vegetable and fruit preservation device for logistics transportation according to claim 1, wherein: the box body wall of box by the outer wall, the inner wall with the supporting layer constitutes, wherein the supporting layer is honeycomb structure, fills foaming thermal insulation material in the honeycomb space.

5. The vegetable and fruit preservation device for logistics transportation according to claim 1, wherein: the sealing lock catch is of a hasp lock structure.

6. The vegetable and fruit preservation device for logistics transportation according to claim 1, wherein: when the screw of the quick drain valve is screwed down, the shell sealing gasket of the quick drain valve is matched and sealed with the screw sealing gasket of the quick drain valve, and when the screw of the quick drain valve is loosened, the shell sealing gasket of the quick drain valve is separated from the screw sealing gasket of the quick drain valve, and the water inlet groove of the quick drain valve is communicated with the water inlet groove of the quick drain valve.