CN213567181U

CN213567181U - A thermal insulation blister box with a polyurethane sealing structure

Info

Publication number: CN213567181U
Application number: CN202022488606.8U
Authority: CN
Inventors: 唐光荣
Original assignee: Tianjin Anfa Plastic Products Co ltd
Current assignee: Tianjin Anfa Plastic Products Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-06-29
Anticipated expiration: 2030-11-02

Abstract

The utility model discloses a thermal insulation plastic box with a polyurethane sealing structure, comprising a bottom box, an inner box and a top cover, the top of the inner box is matched with a top cover, the bottom of the inner box is provided with a bottom box, The box and the bottom box are structurally matched, and the edges of the bottom box, the inner box and the top cover are in a matching flanging structure. The inside of the top cover is filled with an upper thermal insulation layer, the bottom edge of the top cover is fixed with a lower insert body that fits with the inner wall of the inner box, the outer wall of the lower insert is symmetrically fixed with a positioning block, and the inner wall of the inner box is provided with a The positioning groove matched with the positioning block, the thermal insulation plastic box adopts a composite structure, and the inner box is wrapped by the bottom box and the top cover, so that the upper insulation layer and lower insulation layer of the polyurethane material form a sealed insulation for the inner box, so that the inner box is sealed. The device has a good thermal insulation effect, and the device has a snap-fit structure, which facilitates the replacement of parts and is suitable for repeated use.

Description

Heat preservation plastic uptake box with polyurethane seal structure

Technical Field

The utility model relates to a plastic uptake box technical field specifically is a heat preservation plastic uptake box with polyurethane seal structure.

Background

Blister packs are understood in the broad sense as all blisters, in the narrow sense, as only one type of blister: the plastic box is formed by sheet material through plastic suction, and the cover is connected with the container. The cover and the bottom are separated and made of different materials, if the Japanese snack box is made of PS, the bottom is made of black PS, and the cover is made of transparent PET.

The plastic-absorbing box has a great use in life, is most commonly used as a portable lunch box, but the existing plastic-absorbing box is made into a single-layer structure for saving cost, has extremely poor heat preservation effect and is disposable.

To this end, we propose a blister pack with a polyurethane seal.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an effectual heat preservation plastic uptake box with polyurethane seal structure keeps warm 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 a heat preservation plastic uptake box with polyurethane seal structure, includes end box, interior box and top cap, interior box top cooperation is provided with the top cap, interior bottom of the case portion is equipped with end box, and interior box and end box structure cooperation, end box, interior box and top cap edge are complex turn-ups structure, end box inner wall evenly is fixed with the supporting shoe, end box inner wall laminating is fixed with down the heat preservation, the inside packing of top cap has the heat preservation, top cap bottom surface border position is fixed with the lower body of inserting with interior box inner wall laminating, insert body outer wall symmetry down and be fixed with the locating piece, interior box inner wall seted up with locating piece complex constant head tank, end box apical opening position is the form of drawing in, and the position cooperation joint of drawing in of constant head tank outer wall and end box.

Preferably, a hollow groove is formed in the connecting part of the edge of the top cover and the lower insert body.

Preferably, the outer wall of the bottom box is fixed with a fixing sheet at the position of the flanging, the middle part of the inner box is in a protruding and cutting shape, and the bottom of the inner box is fixed with a connecting sheet at the protruding part.

Preferably, the center of the bottom surface of the bottom box is provided with a through hole.

Preferably, the upper heat-insulating layer and the lower heat-insulating layer are both made of foamed polyurethane.

Preferably, the flanging positions of the bottom box and the inner box are symmetrically provided with first notches, and the flanging position of the bottom box is positioned on the side edge of the first notch and provided with second notches.

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

the utility model places food inside the inner box, places the inner box inside the bottom box, forms heat preservation wrap on the side wall and the bottom of the inner box through the lower heat preservation layer, the inner box is stably supported by the supporting block, the top cover is covered on the top of the inner box, the lower insert body is inserted into the inner side of the inner box, the edges of the device form stable positioning attachment by the clamping connection of the positioning block and the positioning groove and the clamping connection of the positioning groove and the bending part of the bottom box, the top of the inner box forms heat-insulating cover by the upper heat-insulating layer, so that the food in the inner box is sealed and insulated, the insulated plastic-absorption box adopts a composite structure, the inner box is wrapped by the bottom box and the top cover, so that the upper heat-insulating layer and the lower heat-insulating layer of the polyurethane material form sealed heat insulation for the inner box, the device has a good heat-insulating effect, and the device is clamped in the laminating structure, so that parts are conveniently replaced, and the device is suitable for being repeatedly used.

Drawings

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

FIG. 2 is a schematic view of the overall expanded structure of the present invention;

FIG. 3 is a schematic view of the overall cross-sectional structure of the present invention;

fig. 4 is the schematic view of the stacked clamping structure of the present invention.

In the figure: 1. a bottom case; 2. an inner case; 3. a top cover; 4. a first notch; 5. a second notch; 6. a lower insulating layer; 7. a through hole; 8. a support block; 9. connecting sheets; 10. a force-fixing sheet; 11. a hollow groove; 12. an upper heat-insulating layer; 13. a lower insert; 14. positioning blocks; 15. and (6) positioning a groove.

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.

Referring to fig. 1, 2, 3 and 4, the thermal plastic uptake box with a polyurethane sealing structure in the figures comprises a bottom box 1, an inner box 2 and a top cover 3, wherein the top of the inner box 2 is provided with the top cover 3 in a matching way, the bottom of the inner box 2 is provided with the bottom box 1, the inner box 2 is matched with the bottom box 1 in structure, the edges of the bottom box 1, the inner box 2 and the top cover 3 are in matched flanging structures, the inner wall of the bottom box 1 is uniformly fixed with supporting blocks 8, the inner wall of the bottom box 1 is fixedly attached with a lower heat-insulating layer 6, an upper heat-insulating layer 12 is filled in the top cover 3, a lower insert 13 which is attached to the inner wall of the inner box 2 is fixed at the edge position of the bottom surface of the top cover 3, the outer wall of the lower insert 13 is symmetrically fixed with positioning blocks 14, the inner wall of the inner box 2 is provided with positioning grooves 15 matched with the positioning blocks 14, the top opening of the bottom box 1 is furled, and the outer wall of the positioning groove 15 is matched and clamped with the furled part of the bottom box 1.

The device forms superimposed structure through end box 1, interior box 2 and top cap 3, forms sealed package through the laminating at edge, through the use of heat preservation 6 and last heat preservation 12 down, makes the device have stable heat preservation effect.

Referring to fig. 4, a hollow groove 11 is formed in the connecting portion between the edge of the top cover 3 and the lower insert 13, and since the edge of the top cover 3 is not convenient for filling heat-insulating material, the vacuum hollow groove 11 has a good heat-insulating effect, and thus heat loss at the edge of the device is avoided.

Referring to fig. 3 and 4, a fixing piece 10 is fixed on the outer wall of the bottom case 1 at the position of the flange to increase the anti-deformation strength of the edge of the bottom case 1, so as to facilitate stable holding of the device, the middle part of the inner case 2 is in a convex split shape, and a connecting piece 9 is fixed on the bottom of the inner case 2 at the convex part, so that the middle part of the inner case 2 has stable anti-deformation strength.

Referring to fig. 3, a through hole 7 is formed in the center of the bottom surface of the bottom case 1, and when the inner case 2 is placed inside the bottom case 1, air inside the bottom case 1 can be rapidly discharged through the through hole 7, so that the inner case 2 and the bottom case 1 can be stably placed in a fit manner.

The upper heat-insulating layer 12 and the lower heat-insulating layer 6 are both made of foamed polyurethane, and have high heat-insulating and anti-seismic effects.

Referring to fig. 2, the first notches 4 are symmetrically formed in the flanging positions of the bottom case 1 and the inner case 2, when the device is stacked, fingers are placed on the inner side of the first notch 4 to turn over the edge of the top cover 3, so that the top cover 3 can be conveniently opened, the flanging position of the bottom case 1 is located on the side edge of the first notch 4 to form the second notch 5, when the top cover 3 is taken off, the fingers are placed on the inner side of the second notch 5 to turn over the edge of the inner case 2, so that the inner case 2 can be conveniently taken out.

The working principle is as follows: place the inside of box 2 in with food, place box 2 inside in end box 1 in will, lateral wall and bottom formation heat preservation parcel through heat preservation 6 to box 2 in to down, box 2 in through supporting shoe 8 stabilizing support, cover the top of box 2 in with top cap 3, insert box 2 inboard in the body 13 inserts down, joint through locating piece 14 and constant head tank 15, constant head tank 15 and the joint at end box 1 position of buckling, make the device edge form stable location laminating, form heat preservation cover through last heat preservation 12 to box 2 top in, thereby the inside food of box 2 obtains sealed heat preservation, and convenient to use.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a heat preservation plastic uptake box with polyurethane seal structure, includes end box (1), interior box (2) and top cap (3), interior box (2) top cooperation is provided with top cap (3), its characterized in that: interior box (2) bottom is equipped with end box (1), and interior box (2) and end box (1) structure cooperation, end box (1), interior box (2) and top cap (3) edge are complex turn-ups structure, end box (1) inner wall evenly is fixed with supporting shoe (8), end box (1) inner wall laminating is fixed with down heat preservation (6), top cap (3) inside packing has heat preservation (12), top cap (3) bottom surface border position is fixed with lower inserted body (13) with interior box (2) inner wall laminating, inserted body (13) outer wall symmetry is fixed with locating piece (14) down, interior box (2) inner wall seted up with locating piece (14) complex constant head tank (15), end box (1) top mouth position is the form of drawing in, and constant head tank (15) outer wall and the position cooperation joint of drawing in of end box (1).

2. The thermal plastic uptake box with a polyurethane sealing structure as set forth in claim 1, wherein: and a hollow groove (11) is formed in the connecting part of the edge of the top cover (3) and the lower insert (13).

3. The thermal plastic uptake box with a polyurethane sealing structure as set forth in claim 1, wherein: the outer wall of the bottom box (1) is fixed with a fixing sheet (10) at the flanging position, the middle part of the inner box (2) is in a protruding segmentation shape, and the bottom of the inner box (2) is fixed with a connecting sheet (9) at the protruding position.

4. The thermal plastic uptake box with a polyurethane sealing structure as set forth in claim 1, wherein: the center position of the bottom surface of the bottom box (1) is provided with a through hole (7).

5. The thermal plastic uptake box with a polyurethane sealing structure as set forth in claim 1, wherein: the upper heat-insulating layer (12) and the lower heat-insulating layer (6) are both made of foamed polyurethane.

6. The thermal plastic uptake box with a polyurethane sealing structure as set forth in claim 1, wherein: first notches (4) are symmetrically formed in the flanging positions of the bottom box (1) and the inner box (2), and second notches (5) are formed in the flanging positions of the bottom box (1) and located on the side edge of the first notches (4).