CN212555391U

CN212555391U - Waterproof corrugated board

Info

Publication number: CN212555391U
Application number: CN202020795998.XU
Authority: CN
Inventors: 张永林; 梁建; 周海根; 殷召伟
Original assignee: Zhejiang Longxiang Packaging Co ltd
Current assignee: Zhejiang Longxiang Packaging Co ltd
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2021-02-19
Anticipated expiration: 2030-05-13

Abstract

The utility model discloses a waterproof corrugated board, which comprises a corrugated paper layer, wherein the corrugated paper layer comprises a corrugated paper core and paper boards glued on the upper side and the lower side of the corrugated paper core, and further comprises a protective layer and a waterproof layer, the protective layer is arranged on the upper side of the corrugated paper layer, and a drying agent is arranged between the protective layer and the corrugated paper layer; the waterproof layer sets up at the corrugated paper layer downside, the waterproof layer includes upper fixed plate, bottom plate and sets up the stagnant water spare between upper fixed plate and bottom plate, what the horizontal direction ran through on the bottom plate is provided with a plurality of recesses, stagnant water spare sets up in the recess, stagnant water spare includes the shell body and fills the cotton that absorbs water inside the shell body. The utility model discloses can effectively improve waterproof effect of absorbing water, the condition that the outside water source of specially adapted was revealed plays the function that the inside packing article of protection do not receive the damage.

Description

Waterproof corrugated board

Technical Field

The utility model belongs to the cardboard field, concretely relates to corrugated container board that water-proof effects is good.

Background

Corrugated cardboard is generally formed by bonding a plurality of layers, and mainly comprises a corrugated paper core as a middle core layer, and then a layer of cardboard is bonded on each of the upper and lower sides for forming. In order to meet the market demand, some corrugated boards are added with waterproof coatings to improve the waterproof effect, but in the using process, the actual waterproof effect is not great, particularly in the process of transporting or storing the assembled articles as cartons, if water source leakage occurs outside, the paperboards can be directly soaked, even the articles packaged inside are affected, and loss is caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a weak point for avoiding prior art to exist, provides a timely waterproof corrugated container board that absorbs water, protection article do not receive the loss.

The utility model provides a technical problem adopt following technical scheme: a waterproof corrugated board comprises a corrugated paper layer, a protective layer and a waterproof layer, wherein the corrugated paper layer comprises a corrugated paper core and paper boards glued on the upper side and the lower side of the corrugated paper core, the protective layer is arranged on the upper side of the corrugated paper layer, and a drying agent is arranged between the protective layer and the corrugated paper layer; the waterproof layer sets up at the corrugated paper layer downside, the waterproof layer includes upper fixed plate, bottom plate and sets up the stagnant water spare between upper fixed plate and bottom plate, what the horizontal direction ran through on the bottom plate is provided with a plurality of recesses, stagnant water spare sets up in the recess, stagnant water spare includes the shell body and fills the cotton that absorbs water inside the shell body. The desiccant plays a role in adsorbing water vapor in the air, so that the paperboard is prevented from being corroded under the condition of long-term humid air, and the using effect is ensured.

Furthermore, one side of the protective layer, which is connected with the corrugated paper layer, is provided with a storage groove, and the drying agent is filled in the storage groove. The storage groove penetrates through the protective layer in the horizontal direction, and the drying agent is convenient to contain.

Furthermore, the groove comprises a main groove and side grooves arranged on two sides of the main groove, the main groove is communicated with the side grooves, and the depth of the main groove is greater than that of the side grooves. The shell is generally in a shape with two thin ends and a thick middle part, and is convenient to match and fix the shell.

Further, the outer shell comprises a main shell body and side shells arranged on two sides of the main shell body, the main shell body is matched with the main groove, the side shells are matched with the side grooves, and the water absorption cotton is filled in the main shell body.

Furthermore, the main shell is in a hollow cylindrical shape, the side shell is in a cylindrical shape, the diameter of the main shell is larger than that of the side shell, and the main shell and the side shell are connected in a separable mode. The side shell is in a shape with two thin ends and thick middle, the main shell can contain absorbent cotton for absorbing water, the side shell can protect two sides of the main shell and is convenient for opening the two sides of the main shell,

furthermore, the main shell and the side shell are connected through a plurality of paper sheets, the paper sheets surround the outer side of the side shell, one end of each paper sheet is connected with the outer portion of the side shell, and the other end of each paper sheet is connected with the inner side of the main shell. Further alternatively, the following structure may be adopted: the two ends of the main shell are provided with a plurality of through holes, and the through holes are arranged on the outer side of the joint of the main shell and the side shell in a surrounding manner. The two structures are convenient to remove the side shell from the main shell or directly plug the side shell into the main shell, and the effect of adsorbing an external water source is achieved by utilizing the water absorption cotton in the main shell, so that accidents are avoided.

Furthermore, a water guide groove is arranged on the bottom surface of the lower fixing plate, and the water guide groove is in a cross shape.

The beneficial effects of the utility model

The utility model discloses an increase protective layer and waterproof layer, play the function of moist steam in the adsorbed air by the protective layer, keep drying effect, utilize the waterproof layer, play and avoid appearing under the condition that outside water source was revealed, the box that comprises the cardboard is direct by the wetted condition, adsorb a large amount of flowing water by the cotton that absorbs water, protect inside article not receive the damage, avoid appearing the unexpected condition, the guiding gutter that still sets up simultaneously in the waterproof layer bottom surface, make things convenient for the mediation of rivers, avoid ponding at the bottom surface deposit, provide good dry waterproof and water absorption effect.

Drawings

The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not to be considered limiting of the scope of the present disclosure.

Fig. 1 is a schematic side view of a first embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a groove of a first embodiment of the present invention;

fig. 3 is a schematic view of the overall structure of a water stop according to a first embodiment of the present invention;

fig. 4 is a schematic side view of a water stop according to a first embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of the main housing of the first embodiment of the present invention;

fig. 6 is a bottom view of the lower fixing plate according to the first embodiment of the present invention;

fig. 7 is a schematic side view of another embodiment of the water stop of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments.

Therefore, the following detailed description of the embodiments of the present invention, which is provided in connection with the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention, and all other embodiments obtained by those of ordinary skill in the art without any inventive effort based on the embodiments of the present invention are within the scope of the invention.

The terminology used herein is for the purpose of explaining the embodiments and is not intended to limit and/or define the invention. It is to be understood that the terms "inner", "outer", "upper", "lower", and the like, refer to an orientation or positional relationship based on that shown in the drawings, or that is conventionally placed when the utility model is used, or that is conventionally understood by those skilled in the art, and are used merely for convenience in describing the present invention and to simplify the description, and 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.

Fig. 1 shows a schematic side view of a first embodiment of the present invention. Fig. 2 shows a schematic cross-sectional view of the groove of the first embodiment of the present invention. Fig. 3 shows an overall structural diagram of a water stop according to a first embodiment of the present invention. Fig. 4 is a schematic side view of a water stop according to a first embodiment of the present invention. Fig. 5 shows a schematic cross-sectional view of the main housing of the first embodiment of the invention. Fig. 6 shows a schematic bottom view of the lower fixing plate according to the first embodiment of the present invention. Fig. 7 is a schematic side view of another embodiment of the water stop of the present invention.

As shown in fig. 1, the waterproof corrugated board provided in this embodiment mainly includes a corrugated paper layer 100, the corrugated paper layer 100 includes a corrugated paper core 110 and a paper board 120 glued on the upper and lower sides of the corrugated paper core 110, wherein, the waterproof corrugated board further includes a protective layer 200 and a waterproof layer 300, the protective layer 200, the waterproof layer 300 and the corrugated paper layer 100 are all formed by normal gluing, the protective layer 200 is disposed on the upper side of the corrugated paper layer 100, a drying agent is disposed between the protective layer 200 and the corrugated paper layer 100, in order to improve the adhesion effect of the drying agent, a storage groove 210 is disposed in the horizontal direction on one side of the protective layer 200 connected with the corrugated paper layer 100, the drying agent is filled in the storage groove 210, and the drying agent adopts a solid medicament with a moisture absorption effect commonly used in.

As shown in fig. 1-4, in this embodiment, a waterproof layer 300 is disposed on the lower side of the corrugated paper layer 100, the waterproof layer 300 includes an upper fixing plate 310, a lower fixing plate 320 and a water stop 330 disposed between the upper fixing plate 310 and the lower fixing plate 320, a plurality of grooves 321 are disposed on the lower fixing plate 320 in a horizontal direction, the water stop 330 is disposed in the grooves 321, the water stop 330 includes an outer shell 331 and absorbent cotton filled in the outer shell 331, wherein the grooves 321 include a main groove 3211 and side grooves 3212 disposed on both sides of the main groove 3211, the main groove 3211 is communicated with the side grooves 3212, the depth of the main groove 3211 is greater than that of the side grooves 3212, and the outer shell 331 includes a main shell 3311 and side shells 3312 disposed on both sides of the main shell 3311, the main shell 3211 is matched with the main groove, the side shells 3312 are matched with the side grooves 3212, the water-absorbing cotton is filled in the main shell body 3311, the main shell body 3311 is hollow cylindrical, the side shell body 3312 is cylindrical, the diameter of the main shell body 3311 is larger than that of the side shell body 3312, the outer shell body adopts a structure with thin two ends and thick middle, the middle main shell body plays a role of containing the water-absorbing cotton, the water-absorbing cotton is filled in the water-absorbing cotton, the water-absorbing cotton is substantially filled in the water-absorbing cotton, and in order to improve the water-absorbing effect of the main shell body, as shown in fig. 5, the inner surface of the main shell body is provided with toothed bulges, so that the inner.

As shown in fig. 4, the main housing and the side housing are detachably connected, in this embodiment, the main housing 3311 and the side housing 3312 are connected by a plurality of paper sheets 1000, the plurality of paper sheets 1000 surround the side housing 3312, one end of each of the paper sheets 1000 is connected to the outside of the side housing 3312, the other end of each of the paper sheets 1000 is connected to the inside of the main housing 3311, and the thickness of each of the paper sheets is about 1-2 mm. When the side shell is in a storage state of a paperboard or a carton in a warehouse, the side shell is not operated, and when the side shell is used as the carton for packing articles for transportation or storage, the side shell can be separated, so that the adsorption effect of the absorbent cotton in the main shell is improved.

As shown in fig. 6, a cross-shaped water guiding groove 3201 is further arranged on the bottom surface of the lower fixing plate 320, the depth of the water guiding groove is 1/4-1/3 of the thickness of the lower fixing plate, when the lower fixing plate becomes a packaging box body, the lower fixing plate is in a state of contacting with the external ground, if a large amount of water source is leaked outside, the lower fixing plate is easy to enter water and damage under the impact of water flow, and generally in the process of storage or transportation, the distance between the cartons is small, and the water flow cannot be dredged in time to cause deposition when the leakage occurs, so that the risk of damage to internal articles is caused, by adding the water guiding groove 3201, the water flow can flow through the water guiding groove from four directions.

As shown in fig. 7, the present invention further provides another structure of the connection between the main housing and the side housing, in this another embodiment, a plurality of through holes 2000 are provided at both ends of the main housing 3311, the through holes 2000 are disposed around the outside of the connection between the main housing 3311 and the side housing 3312, the diameter of the through holes is between 1-3mm, and similarly, the connection strength of the connection between the main housing and the side housing is reduced by the opening structure, thereby facilitating the separation of the side housing from the main housing.

It should be noted that the scope of the present invention is not limited by the above-described embodiments, but is defined by the appended claims and equivalents thereof.

Claims

1. A waterproof corrugated board comprises a corrugated paper layer, wherein the corrugated paper layer comprises a corrugated paper core and paper boards glued on the upper side and the lower side of the corrugated paper core; the waterproof layer sets up at the corrugated paper layer downside, the waterproof layer includes upper fixed plate, bottom plate and sets up the stagnant water spare between upper fixed plate and bottom plate, what the horizontal direction ran through on the bottom plate is provided with a plurality of recesses, stagnant water spare sets up in the recess, stagnant water spare includes the shell body and fills the cotton that absorbs water inside the shell body.

2. The waterproof corrugated cardboard of claim 1, wherein a storage groove is formed at a side of the protective layer connected to the corrugated paper layer, and the desiccant is filled in the storage groove.

3. The waterproof corrugated cardboard of claim 1, wherein the grooves comprise a main groove and side grooves provided at both sides of the main groove, the main groove communicating with the side grooves, the main groove having a depth greater than that of the side grooves.

4. The waterproof corrugated cardboard of claim 3, wherein the outer case comprises a main case body and side cases provided on both sides of the main case body, the main case body is fitted with the main grooves, the side cases are fitted with the side grooves, and the absorbent cotton is filled in the main case body.

5. The waterproof corrugated cardboard of claim 4, wherein the main body is hollow cylindrical and the side housing is cylindrical, the diameter of the main body is larger than that of the side housing, and the main body and the side housing are detachably connected.

6. The waterproof corrugated cardboard of claim 5, wherein the main housing and the side housing are connected by a plurality of paper pieces, the plurality of paper pieces being wound around the outside of the side housing, the paper pieces being connected at one end to the outside of the side housing and at the other end to the inside of the main housing.

7. The waterproof corrugated cardboard of claim 5, wherein a plurality of through holes are formed at both ends of the main casing, and the through holes are formed around the outer side of the connection between the main casing and the side casing.

8. The waterproof corrugated board as claimed in claim 1, wherein the bottom of the lower fixing plate is provided with water chutes, and the water chutes are cross-shaped.