CN213170922U

CN213170922U - Double-layer seam-free crease-resistant special paper tube

Info

Publication number: CN213170922U
Application number: CN202021284443.5U
Authority: CN
Inventors: 张静; 陈敏莉; 高冬良; 王超
Original assignee: Tongxiang Hengchang Paper And Plastic Co ltd
Current assignee: Tongxiang Hengchang Paper And Plastic Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-05-11
Anticipated expiration: 2030-07-03

Abstract

The utility model provides a double-layer seamless crease-resistant special paper tube, which comprises a tube body, an inner layer, a composite foil, a fixing hole, a reinforcing head, a buckling tube and a retaining hole, wherein the inner wall of the tube body is compounded with the composite foil, the inner layer is arranged on the inner periphery of the composite foil, and the inner wall of the tube body is laminated with the surface of the composite foil; the pipe body is characterized in that reinforcing heads are fixed at two ends of the pipe body, a circular fixing hole is formed in one end face of each reinforcing head, a buckling pipe is arranged at one end of each reinforcing head, the outer wall of each buckling pipe is in contact with the inner wall of the pipe body and is located at the front end of the inner layer, and a fixing hole for fixing is formed in the surface of each reinforcing head. The arrangement of the reinforcing head and the buckling pipe on the inner layer of the utility model strengthens the maximum stress end at the two ends of the paper pipe through the reinforcement at the two ends, thereby improving the overall stress performance of the paper pipe; through the laminating body, make to strengthen structure and body and form whole atress structure, avoid set up the drawback that additional strengthening only strengthened the outside atress of body in the periphery, improve the use of device and experience.

Description

Double-layer seam-free crease-resistant special paper tube

Technical Field

The utility model belongs to the technical field of the paper tube, especially, relate to a crease-resistant special paper tube of double-deck exempting from to sew up.

Background

The paper tube is a tubular structure made of paper, and can be divided into a round paper tube and a square paper tube according to the appearance, and common paper tubes in daily life comprise roll core coiled materials such as toilet paper cores, tin foil preservative film paper cores and transparent adhesive box sealing adhesive paper cores; packaging paper tubes such as tea cans, perfume cans, potato chip cans, and the like; the packaging of protective paper such as painting and calligraphy paper cylinders, LED lamp paper cylinders, chemical raw material paper cylinders and the like; the non-sewing paper tube is a paper tube without winding seams on the surface, has better aesthetic property and smoothness compared with a non-sewing paper tube, and is a paper tube type which is more common in the market.

The paper tube is the most common roll core structure in daily life, and the roll core of the paper tube has the characteristics of environmental protection, no toxicity and reusability, so that an article is frequently repeatedly used for rolling, but in the rolling procedure, because the two ends of the paper tube are stressed, the strength of the roll core of the paper tube is not enough, the problem that the paper tube is easily wrinkled due to external stress in the use process and the rolling flatness of the middle position is influenced occurs, so that people need a special anti-wrinkle paper tube to solve the defect that wrinkles are easily generated after the two ends of the paper tube are stressed due to poor strength of the two ends in the existing paper tube; the problem that the flatness of the intermediate fetching object is influenced due to the wrinkles generated at the two ends.

Therefore, the invention of the double-layer seam-free crease-resistant special paper tube is very necessary.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a double-layer seamless crease-resistant special paper tube, which aims to solve the defect that the poor strength of the two ends of the existing paper tube leads to the easy generation of creases after the two ends of the paper tube are stressed; the problem that the flatness of the intermediate fetching object is influenced due to the wrinkles generated at the two ends. A double-layer seam-free crease-resistant special paper tube comprises a tube body, an inner layer, a composite foil, a fixing hole, a reinforcing head, a buckling tube and a retaining hole, wherein the composite foil is compounded on the inner wall of the tube body, the inner layer is arranged on the inner periphery of the composite foil, and the inner wall of the tube body is attached to the surface of the composite foil; reinforcing heads are fixed at two ends of the pipe body, a circular fixing hole is formed in one end face of each reinforcing head, a buckling pipe is arranged at one end of each reinforcing head, the outer wall of each buckling pipe is in contact with the inner wall of the pipe body and is located at the front end of the inner layer, and a fixing hole for fixing is formed in the surface of each reinforcing head; the inner layer comprises a composite cavity and a reinforcing layer, the composite cavity is compounded in the inner layer, and the reinforcing layer is arranged in the composite cavity.

The pipe body adopts kraft paper with a circular tubular structure, and a thin film is coated on the surface of the pipe body; the inner layer is coated with resin in a circular round tubular structure, the radius of the outer wall of the inner layer is equal to the radius of the inner wall of the pipe body, the length of the inner layer is smaller than that of the pipe body, and the inner layer is double-layer and accords with the setting.

The composite foil adopts a composite aluminum foil film which is attached to the shape of the outer wall of the inner layer, and the linear length of the composite foil is consistent with that of the pipe body; the composite cavity is of an annular structure, is clamped between the two inner layers and is used for bonding the reinforcing layer; the reinforced layer is made of lyocell fiber attached to the composite cavity structure.

The reinforcing head is made of aluminum alloy of a circular structure, the reinforcing heads are symmetrically distributed, the inner wall radius of the reinforcing heads is equal to the outer wall radius of the pipe body, and the reinforcing heads are symmetrically distributed.

The buckling pipe is made of aluminum alloy in a columnar structure, the radius of the outer wall of the buckling pipe is equal to that of the inner wall of the pipe body, the buckling pipe is fixed to the surface of one side of the reinforcing head through welding, the outer wall of the buckling pipe is in contact with the inside of the pipe body, and the tail end of the buckling pipe is in contact with one end of the inner layer.

The fixing hole is of a circular perforated structure, and the radius of the fixing hole is consistent with that of the buckling pipe and is communicated with the buckling pipe; the position-fixing hole is of a circular hole-shaped structure and is used for connecting the rivet to form, and the bottom end of the rivet in the position-fixing hole cannot penetrate through the inner wall of the inner layer.

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

1. the utility model discloses strengthen the setting of head, strengthen through both ends, realize strengthening the biggest atress end in paper pipe both ends, improve the holistic atress performance of paper pipe, avoid the paper pipe because the body deformation problem that the both ends atress produced, strengthen the whole atress nature of device in the use.

2. The utility model discloses detain the setting of pipe, through the laminating body, make and strengthen structure and body formation whole atress structure, avoid set up the drawback that additional strengthening only strengthened the outside atress of body in the periphery, strengthen the crease resistance who improves the body simultaneously through inside and outside.

3. The utility model discloses the setting of inlayer adopts the bulk strength who accords with the structure and strengthen the body, and the external structure of arranging on the basis of strengthening self intensity realizes more good experience, improves the overall stability of device.

Drawings

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

Fig. 2 is a schematic diagram of the inner layer structure of fig. 1 according to the present invention.

Fig. 3 is a schematic view of the appearance structure of the present invention.

In the figure:

1-pipe body, 2-inner layer, 21-composite cavity, 22-reinforcing layer, 3-composite foil, 4-fixing hole, 5-reinforcing head, 6-buckle pipe and 7-position-fixing hole.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below, 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 efforts shall belong to the protection scope of the present invention.

As shown in figures 1 to 3.

The utility model provides a double-deck exempt from to sew up anti-wrinkle special paper pipe, including body 1, inlayer 2, compound paper tinsel 3, fixed orifices 4, reinforcement head 5, detain pipe 6 and position fixing hole 7, the inner wall of body 1 is compound to have compound paper tinsel 3, is equipped with inlayer 2 in the inner wall of compound paper tinsel 3, and the inner wall of body 1 and the surface laminating of compound paper tinsel 3; reinforcing heads 5 are fixed at two ends of the pipe body 1, a circular fixing hole 4 is formed in one end face of each reinforcing head 5, a buckling pipe 6 is arranged at one end of each reinforcing head 5, the outer wall of each buckling pipe 6 contacts with the inner wall of the pipe body 1 and is positioned at the front end of the inner layer 2, and a fixing hole 7 for fixing is formed in the surface of each reinforcing head 5; the inner layer 2 comprises a composite cavity 21 and a reinforcing layer 22, the composite cavity 21 is compounded in the inner layer 2, and the reinforcing layer 22 is arranged in the composite cavity 21.

The pipe body 1 adopts kraft paper with a circular tubular structure, and a thin film is coated on the surface of the pipe body 1; inner 2 adopts the resin coating of circular pipe tubular structure, and the outer wall radius of inner 2 equals the inner wall radius of body 1, and the length of inner 2 is less than the length of body 1, and inner 2 accords with the setting for the bilayer, ensures that body 1 self has good properties such as grease proofing, waterproof, heat-resisting.

The composite foil 3 is a composite aluminum foil film which is attached to the outer wall of the inner layer 2 in shape, the linear length of the composite foil 3 is consistent with that of the pipe body 1, the integral attachment of the inner wall of the device is realized, the waterproof and anti-wrinkle performance of the device is improved, and the pipe body wrinkles caused by external moisture entering the pipe body are avoided; the composite cavity 21 is of an annular structure, the composite cavity 21 is clamped between the two inner layers 2, and the composite cavity 21 is used for bonding the reinforcing layer 22; the reinforcing layer 22 is made of lyocell fibers attached to the structure of the composite cavity 21, the stability of the interior of the device is guaranteed, stable moisture absorption and deodorization performance is achieved through bonding fibers, and water vapor is prevented from entering the interior to cause corrosion damage to the pipe body.

Strengthen the aluminum alloy that head 5 adopted circular structure, and strengthen head 5 and be the symmetric distribution, this inner wall radius of strengthening head 5 equals the outer wall radius of body 1, strengthen head 5 and be the symmetric distribution, improve the bulk strength of device, ensure the intensity of device both ends stress point, avoid the problem that the crease resistance that current structural strength produced inadequately is poor to appear.

Detain pipe 6 and adopt the columnar structure aluminum alloy, and the outer wall radius of detaining pipe 6 equals the inner wall radius of body 1, and this detain pipe 6 is fixed through welded fastening at a side surface of strengthening head 5, detains the inside of the outer wall contact body 1 of pipe 6, detains the one end of the tail end contact inlayer 2 of pipe 6, improves the inside stress intensity of device, ensures the purpose of the inside and outside two reinforcements of device under the stress, optimizes the whole use experience of device.

The fixing hole 4 adopts a circular open pore structure, the radius of the fixing hole 4 is consistent with that of the buckling pipe 6, and the fixing hole is communicated with the buckling pipe 6; the position-fixing holes 7 are of circular hole-shaped structures, the position-fixing holes 7 are used for connecting rivets to form, and the bottom ends of the rivets in the position-fixing holes 7 cannot penetrate through the inner wall of the inner layer 2.

When a user uses the device, the tube body 1, the composite foil 3 and the inner layer 2 form an integral paper tube for base coiling, the reinforcing heads 5 are used for fixing the two ends of the tube body 1 to reinforce the integral strength of the tube body 1, the buckling tube 6 is used for reinforcing the integral strength inside the paper tube, the position fixing holes 7 are used for fixing the position of the reinforcing heads 5 on the surface of the tube body 1 to realize stable connection, the composite cavity 21 is used for realizing the integral moisture-proof performance of the composite reinforcing layer 22, in the using process, the rotating structure is connected with the two ends of the tube body 1, when the tube body 1 is stressed, the reinforcing heads 5 are stressed and the overall force is weakened, in the process, the stress of the tube body 1 is obviously weakened compared with the direct stress in the existing structure, under the condition that the stress of the tube body 1 is reduced, the inner layer 2 is matched with the tube body 1 to form stress digestion, the integral stability of the device is ensured, the crease resistance of the paper tube is improved.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. The utility model provides a crease-resistant special paper tube of double-deck exempting from to sew, its characterized in that: the composite pipe comprises a pipe body (1), an inner layer (2), a composite foil (3), a fixing hole (4), a reinforcing head (5), a buckling pipe (6) and a position fixing hole (7), wherein the composite foil (3) is compounded on the inner wall of the pipe body (1), the inner layer (2) is arranged on the inner periphery of the composite foil (3), and the inner wall of the pipe body (1) is attached to the surface of the composite foil (3); reinforcing heads (5) are fixed at two ends of the pipe body (1), a circular fixing hole (4) is formed in one end face of each reinforcing head (5), a buckling pipe (6) is arranged at one end of each reinforcing head (5), the outer wall of each buckling pipe (6) is in contact with the inner wall of the pipe body (1) and is located at the front end of the inner layer (2), and a fixing hole (7) for fixing is formed in the surface of each reinforcing head (5); the inner layer (2) comprises a composite cavity (21) and a reinforcing layer (22), the composite cavity (21) is compounded in the inner layer (2), and the reinforcing layer (22) is arranged in the composite cavity (21).

2. The double-layer seamless anti-wrinkle special paper tube as claimed in claim 1, characterized in that: the pipe body (1) adopts kraft paper with a circular tubular structure, and a film is coated on the surface of the pipe body (1); the inner layer (2) is coated with resin in a circular round tubular structure, the radius of the outer wall of the inner layer (2) is equal to the radius of the inner wall of the pipe body (1), the length of the inner layer (2) is smaller than that of the pipe body (1), and the inner layer (2) is in double-layer coincidence arrangement.

3. The double-layer seamless anti-wrinkle special paper tube as claimed in claim 1, characterized in that: the composite foil (3) adopts a composite aluminum foil film which is attached to the outer wall of the inner layer (2), and the linear length of the composite foil (3) is consistent with that of the pipe body (1); the composite cavity (21) is of an annular structure, the composite cavity (21) is clamped between the two inner layers (2), and the composite cavity (21) is used for bonding a reinforcing layer (22); the reinforcing layer (22) adopts lyocell fibers which are attached to the structure of the composite cavity (21).

4. The double-layer seamless anti-wrinkle special paper tube as claimed in claim 1, characterized in that: strengthen head (5) and adopt the aluminum alloy of circular structure, and strengthen head (5) and be the symmetric distribution, the inner wall radius that should strengthen head (5) equals the outer wall radius of body (1), strengthens head (5) and is the symmetric distribution.

5. The double-layer seamless anti-wrinkle special paper tube as claimed in claim 1, characterized in that: detain pipe (6) and adopt the columnar structure aluminum alloy, and the outer wall radius of detaining pipe (6) equals the inner wall radius of body (1), should detain pipe (6) and pass through welded fastening in the side surface of strengthening head (5), detain the inside of the outer wall contact body (1) of pipe (6), detain the one end of the tail end contact inlayer (2) of pipe (6).

6. The double-layer seamless anti-wrinkle special paper tube as claimed in claim 1, characterized in that: the fixing hole (4) adopts a circular perforated structure, the radius of the fixing hole (4) is consistent with that of the buckling pipe (6), and the fixing hole is communicated with the buckling pipe (6); the position-fixing holes (7) are of circular hole-shaped structures, the position-fixing holes (7) are used for connecting rivets to form, and the bottom ends of the rivets in the position-fixing holes (7) cannot penetrate through the inner wall of the inner layer (2).