CN210259220U

CN210259220U - Vegetable fresh-keeping box adopting liquid nitrogen refrigeration

Info

Publication number: CN210259220U
Application number: CN201921288470.7U
Authority: CN
Inventors: 张家海
Original assignee: Chongqing Shuaixian Agricultural And Sideline Products Distribution Co ltd
Current assignee: Chongqing Shuaixian Agricultural And Sideline Products Distribution Co ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-04-07
Anticipated expiration: 2029-08-09

Abstract

The utility model relates to a vegetables technical field that keeps fresh specifically is an adopt cryogenic vegetables of liquid nitrogen case that keeps fresh, including outer box, open one side of outer box has first via hole, is equipped with interior box in the outer box, constitutes a storage nitrogen intermediate layer between interior box and outer box, and open the upper surface of interior box has the storing chamber, and the top in storing chamber is equipped with the case lid, and the lateral wall and the bottom of outer box are equipped with the box heat preservation, are equipped with the nitrogen filling pipe in the first via hole, are equipped with the control valve on the nitrogen filling pipe, and the case lid upper surface is equipped with the case lid heat preservation. This adopt cryogenic vegetables of liquid nitrogen case that keeps fresh, through the interior box and the outer box that set up, store the liquid nitrogen in the nitrogen intermediate layer that stores up between box and the outer box, keep fresh to the vegetables of storing in the storing chamber, vegetable rotten problem easily when having solved the high temperature, and through the box handle that sets up, the transportation of carrying of the fresh-keeping vegetables of being convenient for.

Description

Vegetable fresh-keeping box adopting liquid nitrogen refrigeration

Technical Field

The utility model relates to a vegetables fresh-keeping case technical field specifically is an adopt cryogenic vegetables fresh-keeping case of liquid nitrogen.

Background

Vegetables are one of essential foods in daily diet of people, can provide nutrient substances such as multiple vitamins and mineral substances required by human bodies, but are easy to rot and deteriorate at high temperature, unnecessary loss and waste are caused, the respiration of the vegetables is reduced by low-temperature storage at present, the rotting and deteriorating speed of the vegetables is delayed, but the vegetables are stored by using an icehouse refrigerator at present and are not easy to carry and transport, and therefore, the vegetable fresh-keeping box adopting liquid nitrogen refrigeration is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adopt cryogenic vegetables of liquid nitrogen case that keeps fresh to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an adopt cryogenic vegetables of liquid nitrogen case that keeps fresh, includes the outer box, a lateral wall of outer box is close to top edge and has seted up first via hole, the inside wall and the inboard bottom of outer box are equipped with a plurality ofly rather than fixed connection's connecting block, be equipped with interior box in the outer box, interior box with constitute a nitrogen storage intermediate layer between the outer box, the storing chamber has been seted up to the upper surface of interior box, the top in storing chamber is equipped with the case lid, the lateral wall and the bottom of outer box are equipped with the box heat preservation, on the lateral wall of box heat preservation with the second via hole has been seted up to the corresponding position of first via hole, first via hole with be equipped with the nitrogen filling pipe in the second via hole, be equipped with the control valve on the nitrogen filling pipe, the case lid upper surface is equipped with the case.

Preferably, the middle of the two side walls of the outer box body is symmetrically provided with box body handles fixedly connected with the middle of the two side walls of the outer box body close to the top, the top of the outer box body is provided with a convex edge, and the convex edge and the outer box body are of an integrally formed structure.

Preferably, each of the inner side wall and the inner bottom of the outer box body is provided with at least four connecting blocks.

Preferably, the tail end of the connecting block is fixedly connected to the outer side wall and the bottom of the inner box body, and the outer side wall of the inner box body is clamped and fixed to the inner side of the convex edge close to the top edge.

Preferably, a box cover handle fixedly connected with the box cover is arranged at the center of the upper surface of the box cover.

Preferably, the nitrogen filling pipe sequentially penetrates through the second through hole and the first through hole and is fixedly connected to the outer box body, one end of the nitrogen filling pipe extends into the nitrogen storage interlayer, and the other end of the nitrogen filling pipe is located outside the box body heat insulation layer and is provided with connecting threads.

Preferably, a sinking groove is formed in the center of the bottom of the insulating layer of the box cover, and the upper portion of the box cover is clamped and fixed in the sinking groove.

Compared with the prior art, the beneficial effects of the utility model are that:

this adopt cryogenic vegetables of liquid nitrogen case that keeps fresh, through the interior box and the outer box that set up, store the liquid nitrogen in the nitrogen intermediate layer that stores up between box and the outer box, keep fresh to the vegetables of storing in the storing chamber, vegetable rotten problem easily when having solved the high temperature, and through the box handle that sets up, the transportation of carrying of the fresh-keeping vegetables of being convenient for.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a top view of the overall structure of the present invention;

FIG. 3 is a sectional view A-A of the top view of the overall structure of the present invention;

FIG. 4 is a schematic structural view of the outer box of the present invention;

FIG. 5 is a schematic structural view of the inner box body of the present invention;

FIG. 6 is a schematic structural view of the box cover of the present invention;

FIG. 7 is a schematic structural view of the heat-insulating layer of the middle box body of the present invention;

FIG. 8 is a schematic structural view of the insulating layer of the middle box cover of the present invention;

fig. 9 is a schematic structural view of the middle nitrogen filling pipe and the control valve of the present invention.

In the figure: 1. an outer case; 10. a first via hole; 11. a handle of the box body; 12. connecting blocks; 13. a convex edge; 2. an inner box body; 20. a storage chamber; 3. a nitrogen storage interlayer; 4. a box cover; 40. a case cover handle; 5. a box body heat insulation layer; 50. a second via hole; 6. a box cover heat-insulating layer; 60. sinking a groove; 7. a nitrogen charging pipe; 70. connecting threads; 8. and (4) controlling the valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-9, the present invention provides a technical solution:

the utility model provides an adopt cryogenic vegetables of liquid nitrogen case that keeps fresh, including outer box 1, a lateral wall of outer box 1 is close to top edge and has seted up first via hole 10, the inside wall and the inboard bottom of outer box 1 are equipped with a plurality ofly and its fixed connection's connecting block 12, be equipped with interior box 2 in the outer box 1, constitute one between interior box 2 and the outer box 1 and store up nitrogen intermediate layer 3, storing chamber 20 has been seted up to the upper surface of interior box 2, the top of storing chamber 20 is equipped with case lid 4, the lateral wall and the bottom of outer box 1 are equipped with box heat preservation 5, second via hole 50 has been seted up with the corresponding position of first via hole 10 on the lateral wall of box heat preservation 5, be equipped with nitrogen filling pipe 7 in first via hole 10 and the second via hole 50, be equipped with control valve 8 on the nitrogen filling pipe 7, case lid 4.

In this embodiment, the position symmetry that is close to the top in the centre of outer box 1 both sides wall is equipped with rather than fixed connection's box handle 11, be convenient for carry and transport, outer box 1's top is equipped with chimb 13, and chimb 13 is the integrated into one piece structure with outer box 1, there are four connecting blocks 12 on the inside wall of outer box 1 and every face of inboard bottom at least, box 2 and outer box 1 can closely be fixed in the assurance, the terminal fixed connection of connecting block 12 is on the lateral wall and the bottom of box 2 in, the lateral wall of interior box 2 is close to top edge joint and fixes the inboard at chimb 13, constitute an inclosed nitrogen storage intermediate layer 3 between box 2 and outer box 1 in the assurance, store the liquid nitrogen.

In addition, the central position of the upper surface of the box cover 4 is provided with a box cover handle 40 fixedly connected with the box cover handle, so that the box cover 4 can be conveniently opened to pick and place vegetables, the central position of the bottom of the box cover heat-insulating layer 6 is provided with a sinking groove 60, the upper part of the box cover 4 is clamped and fixed in the sinking groove 60, and the external heat can not enter the storage cavity 2 from the box cover 4.

Further, nitrogen charging pipe 7 passes through second via hole 50 and first via hole 10 in proper order and fixed connection is on outer box 1, and nitrogen charging pipe 7's one end extends to in storing up nitrogen intermediate layer 3, and the other end is located the outside of box heat preservation 5 and is equipped with connecting thread 70, and the connecting tube of being convenient for fills the liquid nitrogen in storing up nitrogen intermediate layer 3.

Specifically, the box body heat-insulating layer 5 and the box cover heat-insulating layer 6 are made of heat-insulating cotton, and heat in an external environment is placed to enter the box body heat-insulating layer and affect low-temperature storage of vegetables.

When the vegetable preservation box adopting liquid nitrogen refrigeration is used, a worker firstly opens the control valve 8, liquid nitrogen is filled into the nitrogen storage interlayer 3 through the nitrogen filling pipe 7, and then the control valve 8 is closed; then the box cover handle 40 is pulled upwards, the box cover 4 is opened, the vegetables which need to be preserved and stored are placed in the storage cavity 20, and then the box cover 4 is covered; the low-temperature liquid nitrogen in the nitrogen storage interlayer 3 can absorb heat in the storage cavity 20 to form a low-temperature environment, so that the low-temperature fresh-keeping storage of the vegetables in the storage cavity 20 is ensured; the box body heat-insulating layer 5 outside the outer box body 1 and the box cover heat-insulating layer 6 on the box cover 4 form a closed environment, so that the whole fresh-keeping box is wrapped, external heat is prevented from entering, and the low-temperature environment of the whole fresh-keeping box is kept; the box handle 11 on the outer box 1 is convenient for carrying the whole fresh-keeping box.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an adopt cryogenic vegetables of liquid nitrogen case that keeps fresh, includes outer box (1), its characterized in that: a first through hole (10) is formed in one side wall of the outer box body (1) close to the edge of the top, a plurality of connecting blocks (12) fixedly connected with the inner side wall and the inner side bottom of the outer box body (1) are arranged on the inner side wall and the inner side bottom of the outer box body (1), an inner box body (2) is arranged in the outer box body (1), a nitrogen storage interlayer (3) is formed between the inner box body (2) and the outer box body (1), a storage cavity (20) is formed in the upper surface of the inner box body (2), a box cover (4) is arranged at the top of the storage cavity (20), a box body heat-insulating layer (5) is arranged on the outer side wall and the bottom of the outer box body (1), a second through hole (50) is formed in a position, corresponding to the first through hole (10), a nitrogen filling pipe (7) is arranged in the first through hole (10) and the second through hole (50), and a control, and a box cover heat-insulating layer (6) is arranged on the upper surface of the box cover (4).

2. The vegetable fresh-keeping box adopting liquid nitrogen refrigeration as claimed in claim 1, characterized in that: the middle of the two side walls of the outer box body (1) is symmetrically provided with a box body handle (11) fixedly connected with the middle close to the top, the top of the outer box body (1) is provided with a convex edge (13), and the convex edge (13) and the outer box body (1) are of an integrally formed structure.

3. The vegetable fresh-keeping box adopting liquid nitrogen refrigeration as claimed in claim 1, characterized in that: at least four connecting blocks (12) are arranged on each surface of the inner side wall and the inner side bottom of the outer box body (1).

4. The vegetable fresh-keeping box adopting liquid nitrogen refrigeration as claimed in claim 2, characterized in that: the tail end of the connecting block (12) is fixedly connected to the outer side wall and the bottom of the inner box body (2), and the outer side wall of the inner box body (2) is clamped and fixed to the inner side of the convex edge (13) close to the top edge.

5. The vegetable fresh-keeping box adopting liquid nitrogen refrigeration as claimed in claim 1, characterized in that: and a box cover handle (40) fixedly connected with the box cover (4) is arranged at the center of the upper surface of the box cover.

6. The vegetable fresh-keeping box adopting liquid nitrogen refrigeration as claimed in claim 1, characterized in that: the nitrogen filling pipe (7) penetrates through the second through hole (50) and the first through hole (10) in sequence and is fixedly connected to the outer box body (1), one end of the nitrogen filling pipe (7) extends into the nitrogen storage interlayer (3), and the other end of the nitrogen filling pipe is located outside the box body heat insulation layer (5) and is provided with connecting threads (70).

7. The vegetable fresh-keeping box adopting liquid nitrogen refrigeration as claimed in claim 1, characterized in that: a sunk groove (60) is formed in the center of the bottom of the box cover heat-insulating layer (6), and the upper portion of the box cover (4) is clamped and fixed in the sunk groove (60).