CN223423043U - Compression-resistant anti-deformation corrugated board - Google Patents

Abstract

The utility model relates to the technical field of corrugated boards and discloses a compression-resistant and deformation-resistant corrugated board which comprises a board body, wherein the board body comprises an upper board, a lower board and a sandwich paper interlayer positioned between the upper board and the lower board, the sandwich paper interlayer comprises a plurality of first sandwich paper strips perpendicular to the upper board and the lower board, a plurality of wavy second sandwich paper strips positioned between the adjacent first sandwich paper strips, a plurality of through holes penetrating through the sandwich paper interlayer of the upper board, the lower board and the sandwich paper are formed in the board body, a reinforced plastic sleeve is embedded in the through holes, one end of the reinforced plastic sleeve is provided with a limiting ring with the outer diameter larger than the inner diameter of the through holes, and the center of the reinforced plastic sleeve is provided with a supporting transverse shaft. Support cardboard and lower cardboard through first core note and second core note, compare the individual layer wave core paper intermediate layer among the prior art, can promoted the structural strength of core paper intermediate layer to be favorable to lifting plate body's compressive capacity.

Description

Compression-resistant anti-deformation corrugated board

Technical Field

The utility model belongs to the technical field of corrugated boards, and particularly relates to a compression-resistant deformation-resistant corrugated board.

Background

The corrugated board is a multi-layer adhesive body, is at least composed of a layer of wavy core paper interlayer and a layer of board, has higher mechanical strength, can resist collision and falling in the process of carrying, and the actual performance of the corrugated board depends on three factors, namely the characteristics of the core paper and the board and the structure of the paper box.

At present, chinese patent publication No. CN218140442U, publication No. 2022, 12 and 27 discloses a corrugated board with dampproofing function, which comprises an upper board layer, a wavy core paper interlayer and a lower board layer, wherein a plurality of protruding boards are arranged on the end face of the upper board layer far away from the wavy core paper interlayer, extension parts are arranged at two ends of the protruding boards, waterproof film layers are adhered on the surfaces of the upper board layer and the protruding boards, and a water-absorbing dampproofing component is arranged in a cavity formed between two adjacent protruding boards.

The corrugated board with the dampproof function comprises an upper board layer, a wavy medium paper interlayer and a lower board layer, wherein the whole board body is formed by the upper board layer, the wavy medium paper interlayer and the lower board layer, the corrugated board is used for bearing large-sized commodities in the packaging and supporting process, the weight of the large-sized commodities is often larger, and at the moment, the common corrugated board is easy to deform due to overlarge bearing weight, and finally, the corrugated board is unfavorable for stably supporting the large-sized commodities.

Disclosure of utility model

The utility model aims to provide a compression-resistant deformation-resistant corrugated board, which can be beneficial to improving the compression resistance of the corrugated board.

The technical aim of the utility model is achieved by the following technical scheme that the compression-resistant deformation-resistant corrugated board comprises a board body, wherein the board body comprises an upper board, a lower board and a core paper interlayer positioned between the upper board and the lower board, the core paper interlayer comprises a plurality of first core paper strips perpendicular to the upper board and the lower board, a plurality of second core paper strips positioned between the adjacent first core paper strips and in a wave shape, a plurality of through holes penetrating through the upper board, the lower board and the core paper interlayer are formed in the board body, a reinforced plastic sleeve is embedded in the through holes, a limiting ring with the outer diameter larger than the inner diameter of the through holes is arranged at one end of the reinforced plastic sleeve, and a supporting transverse shaft is arranged at the center of the reinforced plastic sleeve.

The utility model is further characterized in that an inner thread surface is arranged on the inner wall of the reinforced plastic sleeve, and an outer thread sleeve in threaded connection with the inner thread surface is wrapped on the outer side of the supporting transverse shaft.

The utility model further provides that the through holes are uniformly distributed on the plate body at intervals.

The utility model is further characterized in that a plurality of compression-resistant convex strips extending along the vertical direction are arranged on the periphery of the reinforced plastic sleeve.

The utility model further provides that a plurality of the compression-resistant raised strips are uniformly distributed at intervals along the periphery of the reinforced plastic sleeve.

The utility model is further arranged that the through holes are in interference fit with the reinforced plastic sleeve.

In summary, the utility model has the following beneficial effects:

1. The sandwich paper comprises a plurality of first sandwich paper strips perpendicular to the upper paper board and the lower paper board and a plurality of wavy second sandwich paper strips arranged between the adjacent first sandwich paper strips, and the upper paper board and the lower paper board are supported by the first sandwich paper strips and the second sandwich paper strips, so that the structural strength of the sandwich paper can be improved compared with the single-layer wavy sandwich paper in the prior art, and the compression resistance of the plate body is improved;

The reinforced plastic sleeve and the supporting cross shaft are embedded in the through holes, and can play a role in compression resistance at the positions of the through holes, so that the compression resistance of the lifting plate body is further facilitated, and the limiting ring with the outer diameter larger than the inner diameter of the through holes is arranged at one end of the reinforced plastic sleeve, so that the limiting ring can play a limiting role, and the stable insertion of the reinforced plastic sleeve in the through holes is facilitated;

2. When two plate bodies are needed to be combined and then used for supporting large goods, the reinforced plastic sleeves on the two plate bodies can be butted up and down, and then the supporting cross shafts are rotated, so that the external thread sleeves are in threaded connection between the upper reinforced plastic sleeve and the lower reinforced plastic sleeve, and finally, the stable butting of the upper reinforced plastic sleeve and the lower reinforced plastic sleeve can be completed through the external thread sleeves, thereby being beneficial to the stable combination of the two plate bodies;

3. the plurality of through holes are uniformly distributed at intervals on the plate body, so that the reinforced plastic is sleeved on the plate body at intervals uniformly, and uniform compression resistance of each position of the plate body can be facilitated finally;

4. The compression-resistant boss can increase the compression-resistant structural strength of the reinforced plastic sleeve by utilizing the plurality of compression-resistant raised strips which are arranged on the periphery of the reinforced plastic sleeve and extend along the vertical direction, and finally the compression-resistant capability of the lifting plate body can be further facilitated;

5. The plurality of compression-resistant raised strips are uniformly distributed at intervals along the periphery of the reinforced plastic sleeve, so that uniform compression resistance of all positions on the periphery of the reinforced plastic sleeve can be facilitated;

6. The interference fit between the through hole and the reinforced plastic sleeve is utilized, so that the reinforced plastic sleeve can be stably inserted in the through hole.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is a partial cross-sectional view of the plate body in the through hole position of the present utility model;

FIG. 3 is a plan view of a partial structure of a sandwich of core paper of the present utility model;

FIG. 4 is a schematic view of the connection between the reinforced plastic sleeve and the support cross shaft in the present utility model;

Fig. 5 is a cross-sectional view of the structure of the present utility model when two reinforced plastic sleeves are butted up and down when two plates are combined up and down.

In the figure, 1, a plate body, 11, an upper paperboard, 12, a lower paperboard, 13, a sandwich layer of core paper, 131, a first core paper strip, 132, a second core paper strip, 2, a through hole, 3, a reinforced plastic sleeve, 31, a limiting ring, 32, an internal thread surface, 33, a compression-resistant convex strip, 4, a supporting transverse shaft and 41, an external thread sleeve.

Detailed Description

The technical solutions in the embodiments will be clearly and completely described below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

Referring to fig. 1, 2 and 3, the compression-resistant deformation-resistant corrugated board comprises a board body 1, wherein the board body 1 comprises an upper board 11, a lower board 12 and a sandwich paper 13 bonded between the upper board 11 and the lower board 12, the sandwich paper 13 comprises a plurality of first sandwich paper strips 131 perpendicular to the upper board 11 and the lower board 12, a plurality of second sandwich paper strips 132 bonded between the adjacent first sandwich paper strips 131 and in wave shape, and a plurality of through holes 2 penetrating through the upper board 11, the lower board 12 and the sandwich paper 13 are formed in the board body 1, and the through holes 2 are uniformly distributed at intervals on the board body 1.

Referring to fig. 1, 2, 4 and 5, a reinforced plastic sleeve 3 is embedded in the through hole 2, and an interference fit is formed between the through hole 2 and the reinforced plastic sleeve 3, wherein a limit ring 31 with an outer diameter larger than an inner diameter of the through hole 2 is integrally arranged at one end of the reinforced plastic sleeve 3, a plurality of compression-resistant raised strips 33 extending along a vertical direction are integrally arranged at the periphery of the reinforced plastic sleeve 3, the compression-resistant raised strips 33 are uniformly distributed at intervals along the periphery of the reinforced plastic sleeve 3, a supporting cross shaft 4 is arranged at the center of the reinforced plastic sleeve 3, an inner threaded surface 32 is formed on the inner wall of the reinforced plastic sleeve 3, and an outer threaded sleeve 41 in threaded connection with the inner threaded surface 32 is fixedly bonded at the outer side of the supporting cross shaft 4.

The principle is that the sandwich layer 13 of the core paper comprises a plurality of first core paper strips 131 which are perpendicular to the upper paper board 11 and the lower paper board 12, and a plurality of second core paper strips 132 which are positioned between the adjacent first core paper strips 131 and are wave-shaped, and the upper paper board 11 and the lower paper board 12 are supported by the first core paper strips 131 and the second core paper strips 132, so that compared with the single-layer wave-shaped sandwich layer 13 of the core paper in the prior art, the structure strength of the sandwich layer 13 of the core paper can be improved, and the compression resistance of the plate body 1 can be improved;

The corrugated board is characterized in that a plurality of through holes 2 are formed in the board body 1, a plurality of corrugated board raw materials can be omitted at the positions of the through holes 2, so that the corrugated board raw materials can be saved, more corrugated boards can be manufactured from the corrugated board raw materials with the same volume, the reinforced plastic sleeve 3 embedded in the through holes 2 and the supporting transverse shaft 4 arranged at the center of the reinforced plastic sleeve 3 can be used for achieving the compression-resistant effect at the positions of the through holes 2, the compression-resistant capability of the board body 1 is further facilitated, and the limiting ring 31 can achieve the limiting effect by utilizing the limiting ring 31 with the outer diameter larger than the inner diameter of the through holes 2 and arranged at one end of the reinforced plastic sleeve 3, so that the reinforced plastic sleeve 3 can be stably inserted in the through holes 2.

Claims (6)

1. The compression-resistant deformation-resistant corrugated board comprises a board body (1), wherein the board body (1) comprises an upper board (11), a lower board (12) and a sandwich paper layer (13) arranged between the upper board (11) and the lower board (12), and is characterized in that the sandwich paper layer (13) comprises a plurality of first sandwich paper strips (131) which are perpendicular to the upper board (11) and the lower board (12), a plurality of second sandwich paper strips (132) which are arranged between the adjacent first sandwich paper strips (131) and are wavy, a plurality of through holes (2) penetrating through the upper board (11), the lower board (12) and the sandwich paper layer (13) are formed in the board body (1), a reinforced plastic sleeve (3) is embedded in the through holes (2), a limit ring (31) with the outer diameter larger than the inner diameter of the through holes (2) is arranged at one end of the reinforced plastic sleeve (3), and a supporting transverse shaft (4) is arranged at the center of the reinforced plastic sleeve (3).

2. The compression-resistant deformation-resistant corrugated board as claimed in claim 1, wherein the inner wall of the reinforced plastic sleeve (3) is provided with an inner threaded surface (32), and the outer side of the supporting transverse shaft (4) is wrapped with an outer threaded sleeve (41) which is in threaded connection with the inner threaded surface (32).

3. A compression-resistant and deformation-resistant corrugated board as claimed in claim 1, wherein a plurality of the through holes (2) are uniformly distributed at intervals on the board body (1).

4. The compression-resistant and deformation-resistant corrugated board as claimed in claim 1, wherein the reinforced plastic sleeve (3) is provided with a plurality of compression-resistant raised strips (33) extending in the vertical direction on the peripheral side.

5. A compression-resistant and deformation-resistant corrugated board as claimed in claim 4, wherein a plurality of the compression-resistant ribs (33) are uniformly spaced along the peripheral side of the reinforcing plastic sleeve (3).

6. A compression-resistant and deformation-resistant corrugated board as claimed in claim 1, wherein the through hole (2) is in interference fit with the reinforced plastic sleeve (3).