CN211544210U

CN211544210U - Combined heat insulation box based on inner box body and outer box body

Info

Publication number: CN211544210U
Application number: CN201922305947.4U
Authority: CN
Inventors: 孙涛; 孙铭蔚; 陈雁缇
Original assignee: Youyi Zhongchuang Industrial Shenzhen Co ltd
Current assignee: Youyi Zhongchuang Industrial Shenzhen Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-09-22
Anticipated expiration: 2029-12-19

Abstract

The utility model provides a combined heat preservation box based on an inner box body and an outer box body, which comprises an outer box body and an inner box body; the inner box body is provided with two extending lug parts; each extending lug part is provided with an inner connecting part; the two inner connecting parts can be connected with each other; when the inner box body is assembled in the outer box body, the extending lug parts at two ends can respectively penetrate through the strip holes of the corresponding first panel and the corresponding second panel, and after the first panel and the second panel are butted and covered with the outer box containing cavity, the two extending lug parts are mutually connected through the inner connecting part at the outer sides of the first panel and the second panel, which are far away from the outer box containing cavity. The utility model discloses a panel that is used for the lid to close of interior box and outer box upper end and the linkage that extends between the ear open and shut, under the prerequisite of guaranteeing the heat preservation effect to interior box, improved the convenience of the operation of opening and shutting of combination insulation can.

Description

Combined heat insulation box based on inner box body and outer box body

Technical Field

The utility model relates to a packing box technical field especially relates to a combination insulation can based on inside and outside box.

Background

With the rapid development of the internet and the popularization of people on the internet, the demands of the fresh food and food industries on cold chain transportation and home delivery transportation are increasing day by day, and the usage amount of related cold chain transportation packages and packing materials is correspondingly and rapidly increased.

At present stage cold chain transportation and house delivery insulation can for reaching better heat preservation effect, partial trade company improves the heat preservation effect through a plurality of box nested modes, for example built-in foam case, and the skin is the carton, but does not have linkage nature between the inside and outside box, opens and shuts and gets to put the article in-process, need open every layer of packing box in proper order, and operating is loaded down with trivial details, with high costs, brings inconvenience for the commodity circulation transportation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above-mentioned technical problem that exists among the prior art, provide a combination insulation can based on inside and outside box, include: the outer box body and the inner box body can be arranged in the outer box body; the outer box body comprises a cubic outer box body; the outer box body comprises an upper opening and an outer box accommodating cavity which is arranged in the upper opening of the outer box body and used for accommodating the inner box body; the upper opening is square and matched with the outer box body in shape, four edges of the upper opening of the outer box body are folding lines, and a first panel, a second panel, a third panel and a fourth panel which can be folded based on the folding lines are connected to the four folding lines respectively; the first panel and the third panel are correspondingly arranged; the second panel and the fourth panel are correspondingly arranged; wherein, the first panel and the third panel can be mutually butted and jointly cover the upper opening after being folded; one ends, far away from the upper opening, of the first panel and the third panel are provided with a hole; the inner box body comprises an inner box body matched with the outer box accommodating cavity of the outer box body in size, the inner box body is provided with an inner box opening, two inner folding lines are symmetrically arranged at the inner opening, and the inner box body further comprises two symmetrically arranged extending lug parts connected with the inner box body based on the inner folding lines; an inner connecting part is arranged at the front end of each extending ear part far away from the inner folding line; the two inner connecting parts can be connected with each other; extend ear with the big or small looks adaptation in a hole, so that interior box assembly in when in the outer box, both ends extend ear homoenergetic and pass respectively and correspond first panel with the strip hole of third panel first panel with the butt joint of third panel covers behind the outer container holding chamber, two extend ear first panel with keeping away from of third panel the outside in outer container holding chamber is passed through in connecting portion interconnect.

Preferably the fold lines to which the first, second, third and fourth panels are connected are of lengths w1, w2, w3 and w4 respectively; wherein w1 ═ w3, w2 ═ w 4; the lengths of sides of the first, second, third and fourth panels perpendicular to the connected fold line are h1, h2, h3 and h4, respectively; wherein h 1-h 3 and h 2-h 4.

Preferably, w2 ═ w4 ═ h1 × 2 ═ h2 × 2; h2, h4, w1, w 3.

Preferably, the outer box body is of a foldable flat plate structure in an unfolded state; in an unfolded state, the outer box body comprises a connecting lug, a fifth panel, a sixth panel, a seventh panel and an eighth panel which are connected in sequence; one end of the eighth panel, which is far away from the seventh panel, is provided with a fixing position corresponding to the connecting lug; the engaging lug, the fifth panel the sixth panel the seventh panel with the eighth panel is all to the inside folding, the engaging lug turns over the back to the enstrophe, the lateral wall of engaging lug with fixed position laminating fixed connection makes the fifth panel the sixth panel the seventh panel with the eighth panel constitutes a square frame structure the box middle part of outer box.

Preferably, a panel is symmetrically arranged on each of the upper side and the lower side of the fifth panel, the sixth panel, the seventh panel and the eighth panel; the upper end and the lower end of the fifth panel are respectively connected with the fourth panel at the upper end and the twelfth panel at the lower end; the upper end and the lower end of the sixth panel are respectively connected with the first panel at the upper end and the ninth panel at the lower end; the upper end and the lower end of the seventh panel are respectively connected with the second panel at the upper end and the tenth panel at the lower end; the upper end and the lower end of the eighth panel are respectively connected with the third panel at the upper end and the eleventh panel at the lower end; every two adjacent panels can be folded through the fold lines between the two adjacent panels, so that the fourth panel, the first panel, the second panel and the third panel form the upper box cover of the outer box body; the twelfth panel, the ninth panel, the tenth panel and the eleventh panel constitute a case bottom cover of the outer case.

Preferably, the outer sides of the second panel and the tenth panel, and the inner sides of the fourth panel and the twelfth panel are provided with attaching parts; when the inner box body is folded into a box, the first panel and the third panel cover the upper opening, the second panel covers the first panel and the third panel, and the fourth panel covers the second panel and is connected with the second panel through the attaching part to form the upper cover of the box body; the ninth panel and the eleventh panel cover an opening at the lower end of the box body, the tenth panel covers the ninth panel and the lower end of the eleventh panel, the twelfth panel covers the lower end of the tenth panel, and the fitting portion is connected with the tenth panel to form the box bottom cover.

Preferably, the inner box body is of a cuboid structure when unfolded and the extending lug parts are unfolded; the two side end faces of the inner box body in the length direction are symmetrically provided with a herringbone folding line; both the front and back sides of the inner connecting part at the front end of the extension lug part can be attached and connected with the contacted plane; when the extension lugs are mutually overlapped, the end surfaces of two sides of the inner box body can be recessed towards the inner sides in opposite directions along the herringbone folding lines, and the inner connecting part of the extension lug arranged on the inner side can be attached and connected with the inner side wall of the inner box body; the extension ear that locates the outside can cover in the extension ear upper end of locating the inboard, and its interconnecting piece can with the lateral wall laminating of interior case body is connected, so that make interior box constitution one side terminal surface is triangle-shaped's box.

Preferably, an inner fixing part is further provided at the inner side of one or more of the fifth panel, the sixth panel, the seventh panel and the eighth panel; when the extension lugs are mutually overlapped and the inner box body forms a box body with a triangular end face on one side, the upper end part of the inner box body forms a to-be-clamped closed part capable of closing the opening of the inner box; the inner fixing part can fix the to-be-clamped closed part on the inner side wall of the outer box body.

Preferably, the inner fixing portion includes a locking base fixedly connectable with an inner sidewall of one or more of the fifth panel, the sixth panel, the seventh panel and the eighth panel, and a first extension unit connected with the locking base and extending away from the locking base; the first extending unit is provided with a first fixing mechanism at one end different from the end connected with the locking base; the panel on which the locking base is arranged is provided with one end far away from the locking base, and the inner fixing part is also provided with a second fixing mechanism which can be correspondingly and detachably connected with the first fixing mechanism; after the first fixing mechanism is connected with the second fixing mechanism, a clamping area is formed between the first extending unit and the corresponding panel; the length of clamping district with treat the length looks adaptation of centre gripping closing part, so that treat the centre gripping closing part and can put into in the clamping district, and through first fixed establishment with the connection of second fixed establishment, treat the centre gripping closing part by first extension unit centre gripping is on the panel that corresponds, makes interior box be fixed in on the inside wall of outer box.

Preferably, the inner fixing part includes a connection assembly fixedly connectable to an inner sidewall of one or more of the fifth panel, the sixth panel, the seventh panel and the eighth panel, and a second extension unit connected to the connection structure; the connecting assembly comprises a fixing point and a convex connecting part, wherein the fixing point is used for being fixedly connected with the inner side wall of one or more of a fifth panel, a sixth panel, a seventh panel and an eighth panel, and the convex connecting part extends to the direction far away from the panel based on the panel; one end of the second extension unit, which is far away from the fixed part, is provided with a butt joint unit which can be correspondingly connected with the convex connecting part; the to-be-clamped closed part is provided with at least one fixing hole position matched with the size of the convex connecting part; the fixing hole position of the to-be-clamped closed part can be sleeved on the protruding connecting part, and the inner box body is fixed on the inner side wall of the outer box body through the connection of the butt joint unit and the protruding connecting part.

Preferably, the protruding connecting part comprises a protruding rod and a head part arranged at one end of the protruding rod far away from the panel; wherein the outer diameter of the tip portion is greater than the outer diameter of the protruding rod; the hole diameter of the fixing hole position of the sealing part to be clamped is smaller than the outer diameter of the end head part; the second extension unit is elastic and made of soft materials; the butt joint unit is provided with a set of clamping holes; the aperture that the card hole was established to the cover is less than the external diameter size of end portion, so that end portion can wear to locate after the card hole was established to the cover of butt joint unit, based on the aperture size that the card hole was established to the cover makes butt joint unit with protruding connecting portion are connected.

The utility model provides a combined heat preservation box based on an inner box body and an outer box body, which realizes the heat preservation of the articles in the inner box body by respectively arranging the outer box bodies and the nested combination of the inner box body which can be arranged in the outer box body; two extending lugs of the inner box body can penetrate through the first panel and the third panel of the outer box body to be far away from the strip hole at one end of the upper opening, and when the first panel and the third panel are in butt joint covering on the upper end of the upper opening, the two extending lugs penetrating through the corresponding strip holes respectively can be connected with each other through two inner connecting parts at the upper ends of the first panel and the second panel, so that the connection between the inner connecting parts of the inner box body opened from the outer box body is realized, after the first panel and the third panel are opened, the opening process of the inner box body is not required to be carried out again, articles in the inner box body can be directly taken and placed, the linkage opening and closing between the panel for covering the upper ends of the inner box body and the extending lugs at the upper ends of the outer box body are realized, under the premise of ensuring the heat preservation effect of the inner box body, the convenience in opening and closing operation of the combined heat preservation box is improved, and, The efficiency of assembly or getting goods is improved, the cost is reduced has brought the convenience for the commodity circulation transportation field.

Drawings

FIG. 1 is a schematic structural diagram of an open combined incubator based on inner and outer box bodies according to an embodiment;

FIG. 2 is a schematic structural view of the outer side of the outer box body of the combined incubator based on the inner box body and the outer box body, which is provided by the embodiment, after being unfolded;

FIG. 3 is a schematic structural view of the inner side of the outer box body of the combined incubator based on the inner box body and the outer box body after being unfolded according to the embodiment;

FIG. 4 is a schematic structural diagram of an inner box body of the combined incubator based on the inner box body and the outer box body provided by the embodiment;

FIG. 5 is a schematic view of the inner box body of the combined incubator based on the inner and outer box bodies, which is provided by the embodiment and has two end sides folded inwards when the inner box body is to be folded;

fig. 6 is a schematic structural view of the inner box body of the combined incubator based on the inner box body and the outer box body after being folded;

FIG. 7 is a schematic structural diagram of the combined incubator based on the inner and outer cases in an unfolded state of the outer case;

fig. 8 is a schematic structural view of the combined incubator based on the inner and outer cases, in which the inner case is placed inside the outer case and the bottom of the outer case is not sealed (the extending lug passes through the bar hole, and the first-fourth panels are not folded over);

fig. 9 is a schematic structural view of the combined incubator based on the inner and outer cases, in which the inner case is placed inside the outer case and the bottom of the outer case is sealed (the extending lug passes through the bar hole, and the first-four panels are turned outwards);

FIG. 10 is a schematic view showing the assembly process of the inner and outer cases of the combined incubator based on the inner and outer cases according to the embodiment;

FIG. 11 is a schematic cross-sectional view of an outer box of the combined incubator based on the inner and outer boxes according to the embodiment;

FIG. 12 is a schematic view of an assembly structure of a combined incubator based on inner and outer cases, based on an inner fixing part provided with a clamping area;

fig. 13 is an assembly structure diagram of the combined incubator based on the inner and outer cases according to the embodiment, based on the inner fixing part provided with the convex connecting part.

Reference numerals:

name (R)

Numbering

Name (R)

Numbering

Name (R)

Numbering

Outer box

1

Eleventh panel

11k

Location of fixing hole

231

Outer box body

11

The twelfth panel

11l

Inner fixing part

3

Upper opening

111

Strip hole

11m

Locking base

31

Outer box holding cavity

112

Connecting ear

11n

First extension unit

32

Folding line

113

Bonding part

11o

First fixing mechanism

321

Limiting fixing part

114

Aluminium foil layer

12

Second fixing mechanism

33

First panel

11a

Air bubble layer

13

Clamping area

34

Second panel

11b

PP hollow plate layer

14

Connecting assembly

35

Third panel

11c

Inner box

2

Fixing point

351

Fourth panel

11d

Inner box body

21

Bump connector

352

Fifth panel

11e

Inner box opening

211

Protruding rod

3521

Sixth panel

11f

Inner fold line

212

End head

3522

Seventh Panel

11g

Connecting strip

213

Second extension unit

36

Eighth board

11h

Herringbone fold line

214

Docking unit

361

Fixed position

11ha

Extension ear

22

Sleeving the clamping hole

3611

Ninth panel

11i

Inner connecting part

22a

The tenth panel

11j

To-be-clamped sealing part

23

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting 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.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1 to 11, the present embodiment provides a combined thermal insulation box based on inner and outer boxes 1, comprising: the device comprises an outer box body 1 and an inner box body 2 which can be arranged in the outer box body 1; the outer box body 1 comprises a cubic outer box body 11; the outer box body 11 comprises an upper opening 111 and an outer box accommodating cavity 112 which is arranged in the upper opening 111 of the outer box body 11 and is used for accommodating the inner box body 2; the upper opening 111 is square and matched with the shape of the outer box body 11, four edges of the upper opening 111 of the outer box body 11 are folding lines 113, and the four folding lines 113 are respectively connected with a first panel 11a, a second panel 11b, a third panel 11c and a fourth panel 11d which can be folded based on the folding lines 113; the first panel 11a and the third panel 11c are arranged correspondingly; the second panel 11b and the fourth panel 11d are arranged correspondingly; after being folded, the first panel 11a and the third panel 11c can be butted against each other and cover the upper opening 111 together; one ends of the first panel 11a and the third panel 11c, which are far away from the upper opening 111, are provided with a hole 11 m; the inner box body 2 comprises an inner box body 21 matched with the outer box accommodating cavity 112 of the outer box body 11 in size, the inner box body 21 is provided with an inner box opening 211, two inner folding lines 212 are symmetrically arranged at the inner opening, and the inner box body 21 further comprises two symmetrically arranged extending lug parts 22 connected with the inner box body 21 based on the inner folding lines 212; an inner connecting part 22a is arranged at the front end of each extending ear part 22 far away from the inner folding line 212; the two inner connecting parts 22a can be connected with each other; extend ear 22 with the big or small looks adaptation of a hole 11m, so that interior box 2 assemble in when in the outer box 1, both ends extend ear 22 homoenergetic and pass the correspondence respectively first panel 11a with the hole 11m of third panel 11c first panel 11a with third panel 11c butt joint covers behind outer container holding chamber 112, two extend ear 22 and be in first panel 11a with keeping away from of third panel 11c the outside of outer container holding chamber 112 is passed through in connecting portion 22a interconnect.

The outer box body 1 and the inner box body 2 are in a nested structure. Wherein the inner box body 2 can be placed in the outer box containing cavity 112 of the outer box body 1, and the inner box body 2 is used for placing articles needing logistics transportation and is used for preserving heat of the articles. Interior box 2 can be the cube shape, the shape looks adaptation of outer box 1 and interior box 2 to interior box 2 can be placed in the holding intracavity of outer box 1.

Above-mentioned, outer box 1 includes the case body, and the case body upper end is equipped with upper shed 111, and square upper shed 111 department is connected with four panels respectively based on every folding line 113, and wherein two panels are first panel 11a and third panel 11c, corresponding setting. The two oppositely arranged panels can be butted, namely the measuring panel can be completely covered on the upper opening 111 after being combined when the folder covers the upper opening 111, and the two panels cannot be mutually overlapped and are only butted by opposite side faces so as to achieve the purpose of covering the upper opening 111. That is, the first panel 11a and the third panel 11c do not overlap each other after being folded, and the upper opening 111 is completely covered, and the first panel and the third panel are brought into contact with each other in the panel-side direction of the object. First panel 11a with third panel 11c is folding and the butt joint covers behind upper shed 111, second panel 11b with after the folding inwards of fourth panel 11d homoenergetic, homoenergetic cover in first panel 11a with the upper end of third panel 11 c. Interior box 2 can be for two corresponding ends at square box, is equipped with the extension ear 22 that the symmetry set up, should extend ear 22, is the ear that extends to keeping away from interior box body 21 direction based on interior box body 21, can be used to carry and draws the box, and in this embodiment, extension ear 22 is used for the fixed of seeing back each other, connects and covers.

The length of the extending ear portions 22 is based on the length that can be connected to each other by the inner connecting portion 22 a. The extending ear 22 can be square, for example, rectangular, and the front end thereof is provided with an inner connecting portion 22a, and the two inner connecting portions 22a can be correspondingly connected. The bar holes 11m are arranged at the far ends of the first panel 11a and the third panel 11c, namely, at one end far away from the outer box body 11, the positions of the two bar holes 11m are relatively old, the bar holes 11m are in a bar shape, the arrangement direction of the bar holes 11m can be parallel to the folding line 113 connected with the first panel 11a and the third panel 11c, and the size of the bar holes 11m is matched with the width of the extending lug part 22, so that the extending lug part 22 can penetrate through the bar holes 11 m. As described above, after the first three panels of the outer box 1 are folded and covered on the upper opening 111, the first three panels constitute the upper cover of the outer box 1, and the two extending ear portions 22 can respectively penetrate through the corresponding holes 11m and are connected to each other by the inner connecting portion 22a on the upper cover of the outer box. In this embodiment, after connection, the extended ears 22 can be placed in tension to improve the insulation effect. As described above, the extension ears 22 overlie and interconnect the housing upper cover when assembled. The second panel 11b and the fourth panel 11d at the upper opening 111 can be folded in the box, covered on the two extending ears 22 connected with each other, to form a cover for the extending ears, and can be bonded in other ways, so as to form a square whole, and realize better heat preservation for the internal articles.

In addition, the connection manner of the extending ear 22 and the corresponding panel of the outer box 1 may be other than the through hole 11m, for example, but not limited to, the extending ear 22 is clamped on the panel by a clamping band, or the extending ear 22 is fixed on the corresponding panel by snapping.

The embodiment provides a combined heat preservation box based on an inner box body and an outer box body 1, which realizes heat preservation of articles in the inner box body 2 by respectively arranging the outer box body 1 and the inner box body 2 which can be arranged in the outer box body 1 in a nested combination manner; the two extending ear parts 22 of the inner box body 2 can both pass through the strip holes 11m at one end of the first panel 11a and the third panel 11c of the outer box body 1 far away from the upper opening 111, and when the first panel 11a and the third panel 11c are relatively connected and covered at the upper end of the upper opening 111, the two extending ear parts 22 respectively passing through the corresponding strip holes 11m can be mutually connected at the upper ends of the first panel 11a and the second panel 11b through the two inner connecting parts 22a, so that the connection between the inner connecting parts 22a of the inner box body 2 opened from the outer box body 1 is realized, after the first panel 11a and the third panel 11c are opened, the opening process of the inner box body 2 is not required to be carried out again, the articles in the inner box body 2 can be directly taken and put out, the linkage opening and closing between the panel for covering the upper ends of the inner box body 2 and the outer box body 1 and the extending ear parts 22 are realized, and under the premise of ensuring the heat preservation effect of the, the convenience of the opening and closing operation of the combined heat preservation box is improved, the manual operation time of mass logistics transportation is shortened, the assembling or goods taking efficiency is improved, the cost is reduced, and convenience is brought to the logistics transportation field.

The embodiment provides a combined heat preservation box based on inner and outer box bodies, which has excellent heat preservation performance, can be recycled, can be folded and recycled, and has the combination of the inner box body and the outer box body, can adopt a composite environment-friendly recyclable material, supports stable support in use and folding and storing in recycling, and saves the recycling and storing space; the combined design of the inner box body and the outer box body supports the same opening and closing, and the double-layer heat preservation design guarantees and improves the heat insulation and preservation effects; the inner box and the outer box can be connected and separated, the inner box can be used as an independent heat-preservation packaging bag during separation, and the outer box is independently folded and recycled; the box can adopt waterproof type composite environmental protection material to support washing cleanness and heat preservation effect, sanitation and food fresh-keeping when guaranteeing the inside contact food of box when reuse, simultaneously, the inside cushioning effect that possesses of box protects inside product in the commodity circulation environment. The inner connection portion 22a may be an environmental adhesive tape and a hook and loop fastener, which are adhered to each other. The design of the sealing cover and the sealing bottom can bear the weight which is more multiple times than that of a box body with a gap design reserved in the middle of the conventional bottom, meanwhile, an adhesive tape or glue is not needed, the closing and the opening are very quick, and the operation and use efficiency in the links of boxing, box sealing, home delivery box opening and the like in a logistics environment is greatly improved.

Preferably, the folding line 113 to which the first, second, third and

fourth panels

11a, 11b, 11c and 11d are connected has lengths of w1, w2, w3 and w4, respectively; wherein w1 ═ w3, w2 ═ w 4; the lengths of the sides of the first, second, third and

fourth panels

11a, 11b, 11c and 11d perpendicular to the connected folding line 113 are h1, h2, h3 and h4, respectively; wherein h 1-h 3 and h 2-h 4.

As described above, the length of the folding line 113 of each correspondingly disposed panel is equal, and the height of the correspondingly disposed panel is equal among the heights of the panels. Equal height can further improve sealing performance.

Preferably, w2 ═ w4 ═ h1 × 2 ═ h2 × 2; h2, h4, w1, w 3.

As mentioned above, the length of the folding line 113 of the second four panels is equal to twice the height of the first three panels, that is, the length of the two ground four panels is equal to the length of the two ground four panels after the two first three panels are butted with each other, so that the first three panels can completely cover the upper opening 111 after being folded, and the upper opening 111 can be covered and sealed.

Preferably, at least one limit fixing portion 114 is respectively disposed at two symmetrical ends of the inner side wall of the outer box body 11; the outer side wall of the inner box body 21 is provided with connecting strips 213 which are respectively connected with the limit fixing parts 114 at the positions corresponding to the limit fixing parts 114; when the inner box 2 is assembled into the outer box accommodating cavity 112 of the outer box 1, the connecting strip 213 of the inner box body 21 can be connected and fixed with the corresponding limiting fixing portion 114.

Above-mentioned, including box 2 place back in outer box 1, for preventing that interior box 2 from taking place to rock in outer box holding chamber 112, thereby cause the box displacement, set up spacing fixed part 114 in this embodiment at outer box 1 inside wall, and the both ends in the outside of interior box 2, all be equipped with connecting strip 213, connecting strip 213 can interconnect with spacing fixed part 114, its connected mode can paste for the environmental protection, realize fixed connection through the mode of laminating connection, thereby in can being fixed in outer box 1 with interior box 2, the stability of transported substance article has been improved.

Preferably, the outer box 1 is a foldable flat plate structure in an unfolded state; in an unfolded state, the outer box 1 comprises a connecting lug 11n, a fifth panel 11e, a sixth panel 11f, a seventh panel 11g and an eighth panel 11h which are connected in sequence; one end of the eighth panel 11h, which is far away from the seventh panel 11g, is provided with a fixing position 11ha corresponding to the connecting lug 11 n; the engaging lug 11n, the fifth panel 11e, the sixth panel 11f, the seventh panel 11g and the eighth panel 11h are all folded inwards, after the engaging lug 11n is turned inwards, the outer side wall of the engaging lug 11n is fixedly connected with the fixed position 11ha in a laminating manner, so that the fifth panel 11e, the sixth panel 11f, the seventh panel 11g and the eighth panel 11h form a box body middle part of the outer box body 1 in a square frame structure.

Above-mentioned, outer box 1 is collapsible deployable structure, and it is a flat board after the expansion, including the panel of a plurality of connections, wherein engaging lug 11n, fifth panel 11e, sixth panel 11f, seventh panel 11g and eighth panel 11h once connect, and after folding, engaging lug 11n is connected with the fixed position 11ha of eighth panel 11h, constitutes the box middle part of a square frame shape.

Preferably, a panel is symmetrically arranged on each of the upper and lower sides of the fifth panel 11e, the sixth panel 11f, the seventh panel 11g and the eighth panel 11 h; wherein, the upper and lower ends of the fifth panel 11e are respectively connected with the fourth panel 11d at the upper end and the twelfth panel 11l at the lower end; the upper end and the lower end of the sixth panel 11f are respectively connected with the first panel 11a at the upper end and a ninth panel 11i at the lower end; the upper end and the lower end of the seventh panel 11g are respectively connected with the second panel 11b at the upper end and the tenth panel 11j at the lower end; the upper end and the lower end of the eighth panel 11h are respectively connected with the third panel 11c at the upper end and the eleventh panel 11k at the lower end; every two adjacent panels can be folded through the fold lines between the two adjacent panels, so that the fourth panel 11d, the first panel 11a, the second panel 11b and the third panel 11c form the upper box cover of the outer box 1; the twelfth panel 11l, the ninth panel 11i, the tenth panel 11j, and the eleventh panel 11k constitute a case bottom cover of the outer case 1.

A panel is symmetrically arranged on each of the upper side and the lower side of the fifth panel 11e, the sixth panel 11f, the seventh panel 11g and the eighth panel 11h, each panel can be folded inwards along a connected folding line, so that a box body can be formed, wherein the fourth panel 11d, the first panel 11a, the second panel 11b and the third panel 11c form a box body upper cover of the outer box body 1; the twelfth panel 11l, the ninth panel 11i, the tenth panel 11j, and the eleventh panel 11k constitute a case bottom cover of the outer case 1.

Preferably, the outer sides of the second panel 11b and the tenth panel 11j, and the inner sides of the fourth panel 11d and the twelfth panel 11l are provided with a fitting portion 11 o; when the inner box body 2 is folded into a box, the first panel 11a and the third panel 11c cover the upper opening 111, the second panel 11b covers the first panel 11a and the third panel 11c, and the fourth panel 11d covers the second panel 11b and is connected with the second panel 11b through the joint part 11o to form the upper cover of the box body; the ninth panel 11i and the eleventh panel 11k cover an opening at the lower end of the box body, the tenth panel 11j covers the lower ends of the ninth panel 11i and the eleventh panel 11k, the twelfth panel 11l covers the lower end of the tenth panel 11j, and is connected with the tenth panel 11j through the attaching portion 11o to form the box bottom cover.

In order to improve the stability of the folded outer box 1, one or more bonding portions 11o are provided on the inner sides of the fourth panel 11d and the twelfth panel 11l and on the outer sides of the second panel 11b and the tenth panel 11j, respectively. Therefore, after the assembly, the attaching part 11o can be bonded with other covering panels, and the stability of the box body is improved. In one panel, the number of the bonded portions 11o may be one or plural, and for example, four bonded portions 11o are provided in one panel in the present embodiment.

Preferably, the first panel 11a, the second panel 11b, the third panel 11c, the fourth panel 11d, the fifth panel 11e, the sixth panel 11f, the seventh panel 11g, the eighth panel 11h, the ninth panel 11i, the tenth panel 11j, the eleventh panel 11k, and the twelfth panel 11l of the outer case 1 each include an aluminum foil layer 12, a bubble layer 13, and a PP hollow plate layer 14, which are sequentially laminated from the inside to the outside.

The sheet material is a multilayer structure, wherein after being folded into a box, one end facing the outside is a hollow sheet layer, a bubble layer 13 and an aluminum foil layer 12 in this order to the inside. Wherein aluminium foil layer 12 is used for preventing heat-conduction, keeps apart the heat radiation, and bubble layer 13 can be the plastic bubble for the buffering improves the antidetonation effect, and the cavity sheet layer is multilayer structure, including upper and lower two boards and middle supporting part, constitutes a hollow structure who has a plurality of cavitys of keeping apart through the supporting part, is used for improving the antidetonation effect.

Referring to fig. 10, the present embodiment provides an assembling method of a combined thermal insulation box based on inner and outer boxes 1, and the specific steps may include: 1. the connecting lug 11n, the fifth panel 11e, the sixth panel 11f, the seventh panel 11g and the eighth panel 11h are sequentially turned inwards based on the folding line 113, and the fixing position 11ha of the connecting lug 11n and the eighth panel 11h is connected in a sticking way (can be a magic tape); 2. The ninth panel 11i and the eleventh panel 11k are folded inwards, and then the twelfth panel 11l and the tenth panel 11j are sequentially covered to form a box bottom cover of the outer box 1; 3. placing the inner box body 2 in the outer box accommodating cavity 112, wherein the extending lugs 22 at two ends of the inner box body 2 respectively penetrate through the strip holes 11m of the first panel 11a and the second panel 11b of the corresponding outer box body 1; 4. the first panel 11a and the third panel 11c are butted to cover the outer box accommodating cavity 112, and the two extending lugs 22 are connected with each other through the inner connecting part 22a on the outer sides of the first panel 11a and the third panel 11c far away from the outer box accommodating cavity 112; 5. inwards fold second panel 11b and fourth panel 11d in proper order to pass through the magic subsides with the panel and bond. The inner box 2 in the outer box 1 of this embodiment can be a thermal insulation bag made of soft material, preferably an aluminum foil thermal insulation material. When the heat-insulating inner bag and the outer box are combined, the product can be contacted and wrapped, and the heat-insulating inner bag can be used for one time or multiple times; in a scenario such as home delivery, the thermal insulation inner bag can be delivered to a customer or a home delivery terminal as an independent thermal insulation package after being separated from the outer box 1.

Preferably, the inner case body 21 has a rectangular parallelepiped structure when unfolded and the extending ears 22 are not folded; wherein, the two side end surfaces of the inner box body 21 in the length direction are respectively and symmetrically provided with a herringbone folding line 214; both the front and back ends of the inner connecting part 22a at the front end of the extension ear part 22 can be attached to the contacted plane; when the extending lugs 22 are overlapped, the end surfaces of both sides of the inner box body 21 can be recessed to the inner sides of the opposite directions along the herringbone folding line 214, and the inner connecting part 22a of the extending lug 22 arranged at the inner side can be attached and connected with the inner side wall of the inner box body 2; the extension ear 22 that locates the outside can cover in the extension ear 22 upper end of locating the inboard, and its inner connecting portion 22a can with the lateral wall laminating of inner box body 21 is connected, so that make one side terminal surface is triangle-shaped's box is constituteed to interior box 2.

Above-mentioned, interior box 2 except can the nested combination with outer box 1, can be with independent utility, when interior box 2 independent utility, can be with extending ear's 22 coincide each other, for one cover on another, and inboard interior connecting portion 22a pastes on interior box 2 inside wall, the outer link in the outside can not paste on the lateral wall of interior box 2, chevron shape broken line 214 makes both ends face can follow the interior recess of broken line direction, thereby constitute one and survey section triangle-shaped's structure, and can reach sealed effect.

Further, an inner fixing portion 3 is further provided on the inner side of one or more of the fifth panel 11e, the sixth panel 11f, the seventh panel 11g and the eighth panel 11 h; when the extending lugs 22 are mutually overlapped and the inner box body 2 forms a box body with a triangular side end face, the upper end part of the inner box body 2 forms a to-be-clamped closing part 23 capable of closing the inner box opening 211; the inner fixing portion 3 can fix the to-be-clamped sealing portion 23 on the inner side wall of the outer box 1.

It should be noted that some articles need to be higher for stability, that is, need to keep in the outer box 1 in a stable position, in this embodiment, through setting up an interior fixed part 3, can be fixed in inner box 2 on the corresponding panel in outer box 1 to the realization improves the stability of inner box 2 in the position of outer box 1.

As described above, the number of the inner fixing portions 3 may be plural, for example, one or more of the fifth panel 11e, the sixth panel 11f, the seventh panel 11g and the eighth panel 11h may be provided on each panel, or only one or more of the panels may be provided, so as to fix the inner box 2 or the plurality of inner boxes 2 at different positions. After the two extending ears 22 are overlapped, the upper ends thereof, i.e. the overlapped upper ends, form a to-be-clamped closing portion 23, and the to-be-clamped closing portion 23 may be a structure in which the upper end of the inward opening is closed and has a straight line shape. The inner fixing portion 3 can fix the to-be-clamped closing portion 23 to the inner side wall of the outer wall body, so that the effect of improving stability is achieved.

Further, the inner fixing portion 3 includes a locking base 3 capable of being fixedly connected to an inner sidewall of one or more of the fifth panel 11e, the sixth panel 11f, the seventh panel 11g, and the eighth panel 11h, and a first extending unit 32 connected to the locking base 3 and extending away from the locking base 3; the first extension unit 32 is provided with a first fixing mechanism 321 at an end different from the end connected to the lock base 3; on the panel where the locking base 3 is located, at one end far away from the locking base 3, the inner fixing portion 3 is further provided with a second fixing mechanism 33 which can be detachably connected with the first fixing mechanism 321; after the first fixing mechanism 321 is connected with the second fixing mechanism 33, a clamping area 34 is formed between the first extending unit 32 and the corresponding panel; the length of the clamping area 34 is matched with the length of the to-be-clamped closed portion 23, so that the to-be-clamped closed portion 23 can be placed in the clamping area 34, and through the connection between the first fixing mechanism 321 and the second fixing mechanism 33, the to-be-clamped closed portion 23 is clamped on a corresponding panel by the first extending unit 32, and the inner box body 2 is fixed on the inner side wall of the outer box body 1.

The inner top portion may be made of a flexible material, and the shape of the inner top portion may be a strip or a belt, so that the inner top portion can be connected to the second fixing mechanism 33 and the locking mechanism through two ends of the inner top portion to form a clamping area 34. The length of the clamping device can be matched with the length of the panel and can be larger than the length of the closing part 23 to be clamped, so that the inner box body 2 can be clamped on the panel. The first fixing mechanism 321 and the second fixing mechanism 33 may be connected by hook and loop fasteners, by engaging and abutting with each other, or by other detachable and fixed connection. The internal fixing portion 3 includes a locking base 3, a first extending unit 32 and a second fixing mechanism 33, wherein one end of the first extending unit 32 is connected to the locking base 3, and the other end of the first extending unit 32 is provided with a first fixing mechanism 321, and the first fixing mechanism 321 can be connected and fixed to the second fixing mechanism 33, so that a clamping area 34 is formed between the first extending unit 32 and the corresponding panel for clamping the sealing portion 23 to be clamped.

The clamping closing part 23 of treating of interior box 2 can be arranged in this nip area 34 to can be fixed with being connected of second fixed establishment 33 through first fixed establishment 321, will treat that the clamping closing part 23 is fixed in nip area 34, will treat through second extension unit 36 that the clamping closing part 23 centre gripping is in this nip area 34, first fixed establishment 321 can be fixed with being connected of second fixed establishment 33, on the one hand make the interior box 2 treat that the clamping closing part 23 can fix and improve stability in nip area 34, on the other hand, to the interior box 2 treat that the clamping closing part 23 is further pressed from both sides tightly, the effect that has realized improving interior box 2's sealing performance.

In another embodiment, the inner fixing portion 3 includes a connection assembly 35 fixedly connected to an inner sidewall of one or more of the fifth panel 11e, the sixth panel 11f, the seventh panel 11g, and the eighth panel 11h, and a second extension unit 36 connected to the connection structure; the connecting assembly 35 includes a fixing point 351 for fixedly connecting with the inner side wall of one or more of the fifth panel 11e, the sixth panel 11f, the seventh panel 11g and the eighth panel 11h, and a convex connecting part 352 extending away from the panel based on the panel; the end of the second extension unit 36 away from the fixing portion is provided with a docking unit 361 capable of being correspondingly connected with the protruding connection portion 352; the to-be-clamped closed part 23 is provided with at least one fixing hole position 231 matched with the size of the convex connecting part 352; the fixing hole 231 of the sealing portion 23 to be clamped can be sleeved on the protruding connection portion 352, and after the second extending unit 36 is bent, the abutting unit 361 is connected with the protruding connection portion 352, so that the inner box 2 is fixed on the inner side wall of the outer box 1.

As described above, in another embodiment, the inner fixing part 3 includes the connection assembly 35 and the second extension unit 36. The connecting assembly 35 includes a fixing point 351 and a convex connecting portion 352. The fixing point 351 may be a screw, a rivet, or the like, for example, the second extension unit 36 is fixed on the panel by the rivet. The protrusion connecting portion 352 may be connected to the second extension unit 36 at a position different from the fixing point 351. And the extending direction of the panel is convex extending in the direction far away from the panel.

The size of the fixing hole 231 is matched with the outer diameter of the protruding connection portion 352, and the protruding connection portion 352 can penetrate through the fixing hole 231 and is connected with the connection unit 361 in a butt joint mode. As mentioned above, the second extending unit 36 can be made of a soft material, and can be bent. The connection function is achieved, so that the inner box body 2 is convenient to be fixedly connected. During assembly, the fixing hole 231 of the inner box 2 is sleeved on the protruding connection portion 352, and is bent inward through the second extension unit 36, so as to fixedly connect the butt-joint unit 361 with the protruding connection portion 352, so that the to-be-clamped sealing portion 23 of the inner box 2 is clamped between the butt-joint unit 361 and the protruding connection portion 352 of the panel where the inner box 2 is located, and the inner box 2 is fixed in the outer box 1. Above-mentioned, butt joint unit 361, can realize dismantled and assembled fixed connection with protruding connecting portion 352, and its connected mode can be for the magic paste formula of pasting, the suit formula, also can be for other buckle structures, realizes that the joint is fixed.

Further, the protrusion connecting portion 352 includes a protrusion rod 3521, and a head portion 3522 disposed at an end of the protrusion rod 3521 away from the panel; wherein the outer diameter of the tip portion 3522 is greater than the outer diameter of the protruding stem 3521; the hole diameter of the fixing hole 231 of the to-be-clamped closing part 23 is smaller than the outer diameter of the head part 3522; the second extension unit 36 is an elastic second extension unit 36 made of a soft material; the docking unit 361 is provided with a set of clamping holes 3611; the hole diameter of the engaging hole 3611 is smaller than the outer diameter of the head portion 3522, so that after the head portion 3522 is inserted into the engaging hole 3611 of the docking unit 361, the docking unit 361 is connected to the protrusion connecting portion 352 based on the hole diameter of the engaging hole 3611.

The protruding rod 3521 is a rod-shaped structure, and the end of the protruding rod is provided with an end head 3522, which may be a circular structure. A mushroom shape is formed by the protrusion shaft 3521 and the tip portion 3522 of the front end. The outer diameter of the end head portion 3522 may be slightly larger than the outer diameter of the protruding rod 3521, and the fixing hole 231 is smaller than the end head portion 3522, so that after the end head portion 3522 penetrates through the fixing hole 231, a further fixing effect is achieved, the sealing portion 23 to be clamped is prevented from being displaced in the installation process, and the installation convenience is improved; on the other hand, in the transportation process, if the docking unit 361 and the head portion 3522 are disengaged, the fixing hole 231 is smaller than the head portion 3522, so that the to-be-clamped closing portion 23 can still be fixed on the protruding rod 3521 without disengaging, and stability is maintained. The outer diameter of the tip portion 3522 is the outer diameter of the outer circumference circle in the axial direction. The docking unit 361 has a set of engaging holes 3611.

The second extension unit 36 is an elastic second extension unit 36 made of soft material; for example, the fastening member may be rubber, silicone, soft plastic, etc., and may utilize the elastic property, so that the fastening hole 3611 can be fastened on the end portion 3522 to achieve fastening.

In the description herein, references to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and it is not to be understood that the specific embodiments of the present invention are limited to these descriptions. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement.

Claims

1. The utility model provides a combination insulation can based on inside and outside box which characterized in that includes:

the outer box body and the inner box body can be arranged in the outer box body;

the outer box body comprises a cubic outer box body; the outer box body comprises an upper opening and an outer box accommodating cavity which is arranged in the upper opening of the outer box body and used for accommodating the inner box body;

the upper opening is square and matched with the outer box body in shape, four edges of the upper opening of the outer box body are folding lines, and a first panel, a second panel, a third panel and a fourth panel which can be folded based on the folding lines are connected to the four folding lines respectively; the first panel and the third panel are correspondingly arranged; the second panel and the fourth panel are correspondingly arranged;

wherein, the first panel and the third panel can be mutually butted and jointly cover the upper opening after being folded;

one ends, far away from the upper opening, of the first panel and the third panel are provided with a hole;

the inner box body comprises an inner box body matched with the outer box accommodating cavity of the outer box body in size, the inner box body is provided with an inner box opening, two inner folding lines are symmetrically arranged at the inner opening, and the inner box body further comprises two symmetrically arranged extending lug parts connected with the inner box body based on the inner folding lines; an inner connecting part is arranged at the front end of each extending ear part far away from the inner folding line; the two inner connecting parts can be connected with each other;

extend ear with the big or small looks adaptation in a hole, so that interior box assembly in when in the outer box, both ends extend ear homoenergetic and pass respectively and correspond first panel with the strip hole of third panel first panel with the butt joint of third panel covers behind the outer container holding chamber, two extend ear first panel with keeping away from of third panel the outside in outer container holding chamber is passed through in connecting portion interconnect.

2. The combination cabinet based on inner and outer cases as claimed in claim 1, wherein the folding lines connecting said first panel, said second panel, said third panel and said fourth panel have lengths of w1, w2, w3 and w 4; wherein w1 ═ w3, w2 ═ w 4;

the lengths of sides of the first, second, third and fourth panels perpendicular to the connected fold line are h1, h2, h3 and h4, respectively; wherein h 1-h 3 and h 2-h 4.

3. The combination incubator as claimed in claim 2 based on inner and outer cases,

w2＝w4＝h1×2＝h2×2；

h2＝h4＝w1＝w3。

4. the combination incubator as claimed in claim 1, wherein the incubator comprises a heat-insulating material,

the outer box body is of a foldable flat plate structure in an unfolded state;

in an unfolded state, the outer box body comprises a connecting lug, a fifth panel, a sixth panel, a seventh panel and an eighth panel which are connected in sequence; one end of the eighth panel, which is far away from the seventh panel, is provided with a fixing position corresponding to the connecting lug;

the engaging lug, the fifth panel the sixth panel the seventh panel with the eighth panel is all to the inside folding, the engaging lug turns over the back to the enstrophe, the lateral wall of engaging lug with fixed position laminating fixed connection makes the fifth panel the sixth panel the seventh panel with the eighth panel constitutes a square frame structure the box middle part of outer box.

5. The combination incubator as claimed in claim 4 based on inner and outer cases,

the upper side and the lower side of the fifth panel, the sixth panel, the seventh panel and the eighth panel are respectively provided with a panel symmetrically; wherein,

the upper end and the lower end of the fifth panel are respectively connected with the fourth panel at the upper end and the twelfth panel at the lower end;

the upper end and the lower end of the sixth panel are respectively connected with the first panel at the upper end and the ninth panel at the lower end;

the upper end and the lower end of the seventh panel are respectively connected with the second panel at the upper end and the tenth panel at the lower end;

the upper end and the lower end of the eighth panel are respectively connected with the third panel at the upper end and the eleventh panel at the lower end;

every two adjacent panels can be folded through the fold lines between the two adjacent panels, so that the fourth panel, the first panel, the second panel and the third panel form the upper box cover of the outer box body;

the twelfth panel, the ninth panel, the tenth panel and the eleventh panel constitute a case bottom cover of the outer case.

6. The combination incubator as claimed in claim 5, which is based on inner and outer cases,

the outer sides of the second panel and the tenth panel and the inner sides of the fourth panel and the twelfth panel are provided with attaching parts;

when the inner box body is folded into a box, the first panel and the third panel cover the upper opening, the second panel covers the first panel and the third panel, and the fourth panel covers the second panel and is connected with the second panel through the attaching part to form the upper cover of the box body;

the ninth panel and the eleventh panel cover an opening at the lower end of the box body, the tenth panel covers the ninth panel and the lower end of the eleventh panel, the twelfth panel covers the lower end of the tenth panel, and the fitting portion is connected with the tenth panel to form the box bottom cover.

7. The combination incubator as claimed in claim 1, wherein the incubator comprises a heat-insulating material,

the inner box body is of a cuboid structure when unfolded and the extending lug parts are unfolded;

the two side end faces of the inner box body in the length direction are symmetrically provided with a herringbone folding line;

both the front and back sides of the inner connecting part at the front end of the extension lug part can be attached and connected with the contacted plane;

when the extension lugs are mutually overlapped, the end surfaces of two sides of the inner box body can be recessed towards the inner sides in opposite directions along the herringbone folding lines, and the inner connecting part of the extension lug arranged on the inner side can be attached and connected with the inner side wall of the inner box body; the extension ear that locates the outside can cover in the extension ear upper end of locating the inboard, and its interconnecting piece can with the lateral wall laminating of interior case body is connected, so that make interior box constitution one side terminal surface is triangle-shaped's box.

8. The combination incubator as claimed in claim 4 based on inner and outer cases,

the inner side of one or more of the fifth panel, the sixth panel, the seventh panel and the eighth panel is also provided with an inner fixing part;

when the extension lugs are mutually overlapped and the inner box body forms a box body with a triangular end face on one side, the upper end part of the inner box body forms a to-be-clamped closed part capable of closing the opening of the inner box;

the inner fixing part can fix the to-be-clamped closed part on the inner side wall of the outer box body.

9. The combination incubator as claimed in claim 8, wherein the incubator further comprises a heat-insulating material,

the inner fixing part comprises a locking base fixedly connected with the inner side wall of one or more of the fifth panel, the sixth panel, the seventh panel and the eighth panel, and a first extending unit connected with the locking base and extending away from the locking base; the first extending unit is provided with a first fixing mechanism at one end different from the end connected with the locking base;

the panel on which the locking base is arranged is provided with one end far away from the locking base, and the inner fixing part is also provided with a second fixing mechanism which can be correspondingly and detachably connected with the first fixing mechanism;

after the first fixing mechanism is connected with the second fixing mechanism, a clamping area is formed between the first extending unit and the corresponding panel;

the length of clamping district with treat the length looks adaptation of centre gripping closing part, so that treat the centre gripping closing part and can put into in the clamping district, and through first fixed establishment with the connection of second fixed establishment, treat the centre gripping closing part by first extension unit centre gripping is on the panel that corresponds, makes interior box be fixed in on the inside wall of outer box.

10. The cabinet based on inner and outer cases as claimed in claim 8, wherein the inner fixing portion comprises a connecting member fixedly connected to an inner sidewall of one or more of the fifth panel, the sixth panel, the seventh panel and the eighth panel, and a second extension unit connected to the connecting member;

the connecting assembly comprises a fixing point and a convex connecting part, wherein the fixing point is used for being fixedly connected with the inner side wall of one or more of a fifth panel, a sixth panel, a seventh panel and an eighth panel, and the convex connecting part extends to the direction far away from the panel based on the panel;

one end of the second extension unit, which is far away from the fixed part, is provided with a butt joint unit which can be correspondingly connected with the convex connecting part;

the to-be-clamped closed part is provided with at least one fixing hole position matched with the size of the convex connecting part;

the fixing hole position of the to-be-clamped closed part can be sleeved on the protruding connecting part, and the inner box body is fixed on the inner side wall of the outer box body through the connection of the butt joint unit and the protruding connecting part.

11. The combination incubator as claimed in claim 10, wherein the inner and outer cases are combined,

the convex connecting part comprises a convex rod and an end head part arranged at one end of the convex rod far away from the panel; wherein the outer diameter of the tip portion is greater than the outer diameter of the protruding rod;

the hole diameter of the fixing hole position of the sealing part to be clamped is smaller than the outer diameter of the end head part; the second extension unit is elastic and made of soft materials;

the butt joint unit is provided with a set of clamping holes; the aperture that the card hole was established to the cover is less than the external diameter size of end portion, so that end portion can wear to locate after the card hole was established to the cover of butt joint unit, based on the aperture size that the card hole was established to the cover makes butt joint unit with protruding connecting portion are connected.