CN219858170U - Moisture-proof paper-plastic packaging box - Google Patents

Abstract

The utility model discloses a moisture-proof paper-plastic packaging box which comprises a box body, wherein a metal woven net is sleeved on the surface of the box body, support plates are riveted on the top of the front side and the two sides of the rear side of the box body, a screw rod is arranged on the opposite side of the support plates in a penetrating mode, one end, close to the box body, of the screw rod is movably connected with a movable plate through a bearing, a positioning needle is riveted on the side, close to the box body, of the movable plate, a box cover is movably connected to the top of the box body, and the box body comprises a base layer. According to the utility model, through the cooperation of the metal woven mesh, the movable plate and the positioning needle, the anti-puncture protection device has the advantage of puncture protection, and can be used for performing puncture protection on the surface of the box body, so that the surface of the box body is not easy to damage when the box body collides with an external sharp object, the service life of the packing box is prolonged, and the movable plate can be guided by arranging the guide block and the guide groove, so that the movable plate is more stable in the forward and backward moving process.

Description

Moisture-proof paper-plastic packaging box

Technical Field

The utility model relates to the technical field of packaging boxes, in particular to a moisture-proof paper-plastic packaging box.

Background

The paper box is the most widely applied packaging product, the consumption is always the first of various packaging products, the paper box gradually replaces transport packaging containers such as wooden boxes and the like with excellent use performance and good processing performance, and the paper box becomes the main force of transport packaging, and paper-plastic packaging boxes are often required to be used when the articles are packaged.

The utility model patent of patent application publication number CN212125833U discloses a novel paper-plastic carton comprising: the packaging box is embedded in the rectangular paper-plastic frame at the bottom of the packaging box; the packaging box comprises a box body and a box cover, wherein the box body comprises side plates arranged on two sides and turnover parts respectively turned inwards from the tops of the side plates; the folding part is folded inwards and then props against the rectangular paper-plastic frame, so that part of the rectangular paper-plastic frame is accommodated in a space formed by the side plates and the folding part. Compared with the traditional pizza box, the utility model has more excellent performance on vibration and impact; meanwhile, the whole volume of the packing box is smaller, the whole weight is lighter, the occupied space and the transportation cost are reduced, and a large amount of manpower and material resources are saved.

However, the device still has some defects in actual use, and obviously has no puncture-proof function, so that the strength of the surface of the packaging box is lower, and the surface of the paper box is easy to damage when colliding with a sharp object, thereby influencing the service life of the paper-plastic packaging box, simultaneously having no dampproof function, having poor waterproof performance of the surface of the paper box, and being incapable of effectively blocking outside moisture and water liquid, thereby reducing the applicability of the paper-plastic packaging box.

Therefore, it is necessary to invent a moisture-proof paper-plastic packing box to solve the above problems.

Disclosure of Invention

The utility model aims to provide a moisture-proof paper-plastic packaging box which has the advantages of good moisture resistance and puncture resistance, and solves the problems that the surface of the packaging box is poor in waterproof performance and has no puncture resistance in the use process of the traditional paper-plastic packaging box.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a moisture-proof paper-plastic packaging box, includes the box, the surface cover of box is equipped with metal woven mesh, the top of box front side and the both sides of rear side all rivet there is the extension board, the opposite one side of extension board runs through and is provided with the lead screw, the one end that the lead screw is close to the box has the fly leaf through bearing swing joint, the fly leaf is close to one side riveting of box has the locating needle, the top swing joint of box has the case lid, the box includes the basic unit, the surface bonding of basic unit has the waterproof layer.

Preferably, the waterproof layer comprises a kraft layer, the inner wall of the kraft layer is bonded with the base layer, the outer surface of the kraft layer is bonded with a waterproof breathable film layer, the outer surface of the waterproof breathable film layer is bonded with a DuPont paper layer, and the base layer is made of corrugated board.

Preferably, the kraft paper layer is made of kraft paper, the waterproof breathable film layer is made of waterproof breathable film, and the dupont paper layer is made of dupont paper.

Preferably, the screw rod is in threaded connection with the support plate, and one end, far away from the box body, of the screw rod is riveted with a knob.

Preferably, the top of the movable plate is riveted with a guide block, the bottom of the support plate is provided with a guide groove, and the top of the guide block extends to the inner cavity of the guide groove.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the cooperation of the metal woven mesh, the movable plate and the positioning needle, the anti-puncture protection box has the advantage of puncture protection, and the surface of the box body can be protected from being damaged easily when the box body collides with an external sharp object, so that the service life of the packing box is prolonged.

2. According to the utility model, through the cooperation of the kraft paper layer, the waterproof breathable film layer and the DuPont paper layer, the waterproof performance of the surface of the packaging box is improved, and external moisture and water liquid are not easy to permeate into the packaging box, so that the storage effect of articles is improved.

Drawings

FIG. 1 is a perspective view of the structure of the present utility model;

FIG. 2 is a partial perspective bottom view of the present utility model;

FIG. 3 is a schematic perspective sectional view of a partial structure of the present utility model;

fig. 4 is a schematic perspective sectional view of the waterproof layer structure of the present utility model.

In the figure: 1 box, 2 metal woven net, 3 extension boards, 4 lead screw, 5 fly boards, 6 positioning pins, 7 box covers, 8 base layers, 9 waterproof layers, 10 kraft layers, 11 waterproof and breathable film layers, 12 dupont paper layers, 13 knobs, 14 guide blocks and 15 guide grooves.

Detailed Description

Referring to fig. 1-4, a moisture-proof paper plastic packaging box comprises a box body 1, wherein a metal woven net 2 is sleeved on the surface of the box body 1, a support plate 3 is riveted on the top of the front side and two sides of the rear side of the box body 1, a screw rod 4 is arranged on the opposite side of the support plate 3 in a penetrating mode, one end, close to the box body 1, of the screw rod 4 is movably connected with a movable plate 5 through a bearing, one side, close to the box body 1, of the movable plate 5 is riveted with a positioning needle 6, a box cover 7 is movably connected with the top of the box body 1, the box body 1 comprises a base layer 8, and a waterproof layer 9 is adhered on the outer surface of the base layer 8.

The waterproof layer 9 comprises a kraft layer 10, the inner wall of the kraft layer 10 is adhered to the base layer 8, the outer surface of the kraft layer 10 is adhered to a waterproof breathable film layer 11, the outer surface of the waterproof breathable film layer 11 is adhered to a DuPont paper layer 12, and the base layer 8 is made of corrugated board.

The kraft paper layer 10 is made of kraft paper, the waterproof and breathable film layer 11 is made of waterproof and breathable film, and the dupont paper layer 12 is made of dupont paper.

The screw rod 4 is in threaded connection with the support plate 3, and a knob 13 is riveted at one end of the screw rod 4 away from the box body 1.

The top of fly leaf 5 is riveted there is guide block 14, and guide slot 15 has been seted up to the bottom of extension board 3, and the inner chamber that the top of guide block 14 extends to guide slot 15 through setting up guide block 14 and guide slot 15, can lead fly leaf 5, makes it more steady in the back-and-forth movement in-process.

When the waterproof box is used, the metal woven mesh 2 is sleeved on the surface of the box body 1, then the knob 13 is rotated, the knob 13 drives the screw rod 4 to rotate, the screw rod 4 starts to move through threaded connection with the support plate 3, the screw rod 4 drives the movable plate 5 to move, the movable plate 5 drives the positioning needle 6 to move, the positioning needle 6 limits and fixes the metal woven mesh 2, puncture resistance of the surface of the box body 1 is improved under the action of the metal woven mesh 2, waterproof performance of the surface of the box body 1 is improved under the action of the waterproof layer 9, and water is not easy to permeate into the inner cavity of the box body 1.

To sum up: this moisture-proof paper-plastic packaging box, through metal woven mesh 2, fly leaf 5, locating pin 6, kraft layer 10, waterproof ventilated membrane layer 11 and the cooperation of dupont ply 12, solved current paper-plastic packaging box in the use, the waterproof performance of packing box surface is not good, does not have the problem of anti puncture function simultaneously.

Claims (5)

1. The utility model provides a moisture-proof paper-plastic packaging box, includes box (1), its characterized in that: the utility model discloses a waterproof box, including box (1), box, bearing, waterproof layer, supporting plate, locating needle (6) are riveted on the surface cover of box (1), metal mesh grid (2) are equipped with to the surface cover of box (1), the top of box (1) front side and the both sides of rear side all rivet have extension board (3), extension board (3) opposite one side runs through and is provided with lead screw (4), the one end that lead screw (4) is close to box (1) has fly leaf (5) through bearing swing joint, one side that fly leaf (5) is close to box (1) rivets there is locating needle (6), the top swing joint of box (1) has case lid (7), box (1) include basic unit (8), the surface bonding of basic unit (8) has waterproof layer (9).

2. A moisture resistant paper plastic packaging case as set forth in claim 1, wherein: waterproof layer (9) are including kraft layer (10), the inner wall and the basic unit (8) of kraft layer (10) bond, the surface bonding of kraft layer (10) has waterproof ventilated membrane layer (11), the surface bonding of waterproof ventilated membrane layer (11) has dupont ply (12), the corrugated container board of the material of basic unit (8).

3. A moisture resistant paper plastic packaging case as set forth in claim 2, wherein: the kraft paper layer (10) is made of kraft paper, the waterproof breathable film layer (11) is made of waterproof breathable film, and the dupont paper layer (12) is made of dupont paper.

4. A moisture resistant paper plastic packaging case as set forth in claim 1, wherein: the screw rod (4) is in threaded connection with the support plate (3), and a knob (13) is riveted at one end, far away from the box body (1), of the screw rod (4).

5. A moisture resistant paper plastic packaging case as set forth in claim 1, wherein: the top of fly leaf (5) is riveted with guide block (14), guide slot (15) have been seted up to the bottom of extension board (3), the inner chamber of guide slot (15) is extended to the top of guide block (14).