CN213036233U - A collapsible special-shaped paper tube structure for buffering protection - Google Patents

Abstract

The utility model relates to a foldable special-shaped paper tube structure for buffering protection, which is an integrated structure and comprises a first paper tube and a second paper tube which are arranged side by side at intervals, wherein the first paper tube and the second paper tube are connected into a whole through a flat plate; the flat plate is provided with pressing lines along the length direction, and the paper tube I and the paper tube II are folded along the pressing lines in opposite directions; a plurality of reinforcing parts are arranged on the bottom surface of the paper tube at intervals; the first paper tube and the second paper tube are folded into different obtuse angles to protect rectangular or non-rectangular goods; the utility model discloses a modularization production and the use of paper tube, concatenation, equipment use do, the flexibility is good, and the helping hand is in packing efficiency's improvement, and its flat state is convenient for carry, and very big transportation of being convenient for has reduced the cost of transportation.

Description

A collapsible special-shaped paper tube structure for buffering protection

Technical Field

The utility model belongs to the technical field of the packaging technique and specifically relates to a collapsible special-shaped paper tube structure for buffering protection.

Background

The materials and the structure for packaging and buffering are mainly concentrated in the fields of EPE, paper-plastic, paper-folding and the like. With the release of plastic forbidden reams, the trend of 'replacing plastic with paper' is gradually developed to replace plastic buffer parts such as EPE.

In the prior art, a buffer component using paper as a main raw material is mainly a paper-plastic product and a buffer structure formed by folding a paperboard. However, each form has corresponding limitations, for example, the moisture resistance of the paper-plastic product is weak, the cushioning performance of the product is greatly influenced by the external environment, so that the cushioning performance is unstable, the structure size is large, and the outer package size and the goods transfer amount are influenced; the paper folding product has good appearance ornamental performance and small size, but the forming and folding are complex, a large amount of manual operation is needed, the forming and assembling efficiency is influenced, and the buffering effect of the paper folding is influenced by human factors such as irregular folding.

SUMMERY OF THE UTILITY MODEL

The applicant aims at the defects in the prior art and provides a foldable special-shaped paper tube structure for buffering protection, which is reasonable in structure, so that modular production and use of the paper tube are realized, the flexibility is good, the improvement of the packaging efficiency is effectively assisted, and the conveying is greatly facilitated in a flat state.

The utility model discloses the technical scheme who adopts as follows:

a foldable special-shaped paper tube structure for buffer protection is characterized in that a paper tube is of an integrated structure and comprises a paper tube I and a paper tube II which are arranged in parallel at intervals, and the paper tube I and the paper tube II are connected into a whole through a flat plate; the flat plate is provided with pressing lines along the length direction, and the paper tube I and the paper tube II are folded along the pressing lines in opposite directions; a plurality of strengthening parts are arranged on one bottom surface of the paper tube at intervals.

As a further improvement of the above technical solution:

the flat plate is coplanar with the first bottom surface of the paper tube and the second bottom surface of the paper tube.

The inner end of the paper tube II close to the paper tube I is of a plane structure, the inner end face of the paper tube II is perpendicular to the bottom face of the paper tube II and is in a right angle, and the inner end face of the paper tube II is in transition with the top face of the paper tube II through a small arc.

The section of the paper tube I is of a round-corner rectangular structure, and four corners of the paper tube I are transited through arc-shaped parts; the upper and lower corners of the outer end part of the paper tube far away from the first paper tube are transited through the same arc-shaped part.

The cross section of the reinforcing part is of an inwards concave arc structure.

Two groups of reinforcing parts are arranged, and the radius (alpha) of the sections of the reinforcing parts is 5-8 mm; the reinforcing part is in transition connection with the bottom surface of the paper tube through an arc structure, and the radius (beta) of the section of the arc structure is 3-4 mm.

The first paper tube and the second paper tube are folded in opposite directions to form an obtuse angle of more than 90 degrees but less than 180 degrees.

The pressing line and an inner end face of the paper tube are positioned in the same plane.

The distance between the flat plate upper pressing line and the inner end faces of the two paper tubes is larger than the height of the first paper tube.

After the paper tube I and the paper tube II are folded in opposite directions, the bottom surface of the paper tube is attached to the inner wall surface of the outer box.

The utility model has the advantages as follows:

the utility model has the advantages of compact and reasonable structure, convenient operation, by the paper pipe one and the paper pipe two that dull and stereotyped links up, fold in opposite directions along the line ball and become the paper tubular construction that is used for the buffering protection, and the right angle or the obtuse angle that it constitutes are used for protecting the goods of rectangle or non-rectangle, realized the modular production of paper pipe, convenient to use, the concatenation of doing, equipment use, the flexibility is good, greatly helping hand is in the improvement of packing efficiency, and its exhibition state is suitable for range upon range of, be convenient for carry, greatly reduced the cost of transportation.

The utility model discloses still include following advantage:

the utility model discloses a dysmorphism paper tube passes through mould one shot forming, and the shaping is fast, carries out length according to the user demand and cuts, folds into the buffer structure subassembly of goods with paper tube one and paper tube two in opposite directions again, and the helping hand is in work efficiency's improvement.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic cross-sectional view of the present invention.

Fig. 3 is a schematic view of the state of the first and second paper tubes of the present invention when folded to 90 degrees.

Fig. 4 is a schematic view of the state of the first paper tube and the second paper tube of the present invention when they are folded to form an obtuse angle.

Wherein: 1. a first paper tube; 2. a flat plate; 3. a second paper tube; 11. an arc-shaped portion; 12. a reinforcing portion; 31. a small circular arc.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1 and 2, in the foldable special-shaped paper tube structure for buffering and protection of the embodiment, the paper tube is of an integrated structure and comprises a first paper tube 1 and a second paper tube 3 which are arranged in parallel at intervals, and the first paper tube 1 and the second paper tube 3 are connected into a whole through a flat plate 2; the flat plate 2 is provided with pressing lines along the length direction, and the paper tube I1 and the paper tube II 3 are folded along the pressing lines in opposite directions; the bottom surface of the paper tube I1 is provided with a plurality of reinforcing parts 12 at intervals.

The flat plate 2 is coplanar with the bottom surfaces of the paper tube I1 and the paper tube II 3.

The inner end of the paper tube II 3 close to the paper tube I1 is of a plane structure, the inner end face of the paper tube II 3 is perpendicular to the bottom face of the paper tube II and is in a right angle, and the inner end face of the paper tube II 3 is transited to the top face of the paper tube II through a small arc 31.

The section of the paper tube I1 is of a round-corner rectangular structure, and four corners of the paper tube I1 are transited through arc-shaped parts 11; the upper and lower corners of the outer end part of the paper tube II 3 far away from the paper tube I1 are transited through the same arc-shaped part 11.

The cross section of the reinforcing part 12 is of a concave arc structure.

Two groups of reinforcing parts 12 are arranged, and the radius (alpha) of the sections of the reinforcing parts 12 is 5-8 mm; the reinforcing part 12 is in transitional connection with the bottom surface of the paper tube I1 through an arc structure, and the radius (beta) of the section of the arc structure is 3-4 mm.

The paper tube I1 and the paper tube II 3 are folded oppositely to form an obtuse angle of more than 90 degrees but less than 180 degrees, as shown in figures 3 and 4.

The pressing line and the inner end face of the paper tube I1 are located in the same plane.

The distance between the upper pressing line of the flat plate 2 and the inner end face of the paper tube II 3 is larger than the height of the paper tube I1.

After the paper tube I1 and the paper tube II 3 are folded oppositely, the bottom surface of the paper tube is attached to the inner wall surface of the outer box.

The utility model discloses a use method does:

the paper tube with the section as shown in figure 2 is formed by a mould in one step, and the paper tube with a certain length is cut according to the requirement;

folding the paper tube I1 and the paper tube II 3 along the pressing line in opposite directions;

if the protection object is a rectangular-structure article, folding the paper tube I1 and the paper tube II 3 into a 90-degree form, as shown in fig. 3, placing the paper tube and the article into an external packaging box together, so that the bottom surfaces of the paper tube I1 and the paper tube II 3 are attached to the inner wall surface of the external packaging box, and the paper tube plays a role in protecting the article in the external packaging box;

if the protection object is a non-rectangular goods, as shown in fig. 4, after the paper tube I1 and the paper tube II 3 are folded into an angle corresponding to the goods, the paper tube and the goods are placed in the outer packaging box together, so that the bottom surfaces of the paper tube I1 and the paper tube II 3 are attached to the inner wall surface of the outer packaging box, and the paper tube plays a role in protecting the goods in the outer packaging box.

The utility model is simple in operation, convenient to use has realized the modular production and the use of protecting paper pipe, and the flexibility is good, greatly helps in the improvement of packing efficiency, and carries the convenience.

The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.

Claims (10)

1. The utility model provides a collapsible dysmorphism paper tube structure for buffering protection which characterized in that: the paper tube is of an integrated structure and comprises a first paper tube (1) and a second paper tube (3) which are arranged in parallel at intervals, and the first paper tube (1) and the second paper tube (3) are connected into a whole through a flat plate (2); the flat plate (2) is provided with pressing lines along the length direction, and the paper tube I (1) and the paper tube II (3) are folded along the pressing lines in opposite directions; the bottom surface of the paper tube I (1) is provided with a plurality of reinforcing parts (12) at intervals.

2. The foldable profile paper tube structure for the buffer protection as claimed in claim 1, wherein: the flat plate (2) is coplanar with the bottom surfaces of the paper tube I (1) and the paper tube II (3).

3. The foldable profile paper tube structure for the buffer protection as claimed in claim 2, wherein: the inner end of the paper tube II (3) close to the paper tube I (1) is of a plane structure, the inner end face of the paper tube II (3) is perpendicular to the bottom face of the paper tube II and forms a right angle, and the inner end face of the paper tube II (3) is in transition with the top face of the paper tube II through a small circular arc (31).

4. The foldable profile paper tube structure for the buffer protection as claimed in claim 1, wherein: the section of the first paper tube (1) is of a round-corner rectangular structure, and four corners of the first paper tube (1) are transited through arc-shaped parts (11); the upper and lower corners of the outer end part of the paper tube II (3) far away from the paper tube I (1) are transited through the same arc-shaped part (11).

5. The foldable profile paper tube structure for the buffer protection as claimed in claim 1, wherein: the cross section of the reinforcing part (12) is of an inwards concave arc structure.

6. The foldable profile paper tube structure for the buffer protection as claimed in claim 5, wherein: two groups of reinforcing parts (12) are arranged, and the radius (alpha) of the cross section of each reinforcing part (12) is 5-8 mm; the reinforcing part (12) is in transition connection with the bottom surface of the paper tube I (1) through an arc structure, and the radius (beta) of the section of the arc structure is 3-4 mm.

7. The foldable profile paper tube structure for the buffer protection as claimed in claim 1, wherein: the paper tube I (1) and the paper tube II (3) are folded oppositely to form an obtuse angle of more than 90 degrees but less than 180 degrees.

8. The foldable profile paper tube structure for the buffer protection as claimed in claim 1, wherein: the pressing line and the inner end face of the paper tube I (1) are located in the same plane.

9. The foldable profile paper tube structure for the buffer protection as claimed in claim 8, wherein: and the distance between the upper pressing line of the flat plate (2) and the inner end surface of the paper tube II (3) is greater than the height of the paper tube I (1).

10. The foldable profile paper tube structure for the buffer protection as claimed in claim 1, wherein: after the paper tube I (1) and the paper tube II (3) are folded oppositely, the bottom surface of the paper tube is attached to the inner wall surface of the outer box.

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