CN209023404U - Courier bag - Google Patents

Abstract

The utility model discloses a kind of courier bag, solve the problems, such as that the waterproof effect of common courier bag is bad, its key points of the technical solution are that, comprising: bag ontology, the bag ontology are equipped with sack；Mouth-sealed portion at the sack；And it is covered in the waterproof layer of the bag inner body wall.By the way that waterproof layer is arranged on the inner wall of bag ontology, preferable waterproof action is played to loaded on the intrinsic article of bag, without being arranged inner plastic bag and outer packaging bag when posting vital document, easy to operate succinct and pollution is small, at low cost.

Description

courier bag

technical field

The utility model relates to a packaging bag, in particular to a courier bag.

Background technique

Courier bags refer to the bags used in the express industry to transport documents, documents, materials, goods, etc., also known as courier bags, mailing bags, and express packaging bags.

Most of the existing express bags are made of paper materials. When mailing important documents, in order to protect the documents from being wet during transportation, people usually need to put the documents into the inner plastic bag, and then put the inner plastic bag. The bag is put into the express bag, after the express bag is sealed, the express bag is put into the outer packaging bag as a whole, and the express note is affixed to the outer packaging bag and then sent out.

In the above method, although the addition of the inner plastic bag and the outer packaging bag can achieve a better waterproof effect on the document, since the inner plastic bag and the outer packaging bag are usually made of plastic materials, they are non-degradable and pollute the environment. Invisibly, it also increases huge mailing costs. Therefore, the existing express bags need to be improved.

Utility model content

The purpose of the embodiments of the present invention is to provide a courier bag, which solves one of the above technical problems at least to a certain extent, and has the advantage of good waterproof effect.

A first aspect of the present utility model provides a courier bag, comprising:

a bag body, the bag body is provided with a bag mouth;

a sealing portion provided at the mouth of the bag;

and a waterproof layer covering the inner wall of the bag body.

The express bag that realizes the above scheme, when mailing valuables (such as contracts, invoices, certificates, etc.), can directly put the items into the bag body from the bag mouth, and then seal the bag mouth through the sealing part to prevent the items from falling. Because the waterproof layer is arranged on the inner wall of the bag body, it is difficult for the outside water to pass through the waterproof layer to directly contact the articles in the bag body, which has a better waterproof effect on the articles (especially important documents, etc.), while the waterproof layer Generally, the setting is relatively thin, which will not affect the normal use of the express bag. Compared with common express bags, there is no need to cover the items with additional inner plastic bags and outer packaging bags. The operation is convenient and concise, with little pollution and low cost.

With reference to the first aspect, in a first possible implementation manner of the first aspect, the waterproof layer is a polyethylene film or a wax film.

For the express bag that realizes the above solution, both wax film and polyethylene film can be processed on the inner wall of the bag body by a simple spraying or film coating process, and the waterproof effect of wax film and polyethylene film are good, and corrosion resistance and pollution are small. .

With reference to the first aspect, in a second possible implementation manner of the first aspect, the bag body includes: a front sheet of paper and a rear sheet of paper, and the front sheet of paper is located at the mouth of the bag relative to the rear sheet of paper There is a trapezoidal notch.

The express bag that realizes the above solution is similar to the common express bag. This product is also made of paper material, which is less polluting and recyclable than plastic and other materials. At the same time, the trapezoidal gap design of the front paper is conducive to expanding the bag mouth. The area is convenient for people to pack items into the bag body, which is convenient and practical.

With reference to the second possible implementation manner of the first aspect, in the third possible implementation manner of the first aspect, a first adhered area is reserved on the outer surface of the front paper sheet, and the inner surface of the sealing portion is A first adhesive layer adhered to the first adhered area is provided on the surface.

The express bag that realizes the above scheme, by setting the first adhesive layer on the inner surface of the sealing part, after the article is installed, the first adhesive area of the front paper sheet can be connected to the first adhesive area of the front paper sheet through the adhesive force of the first adhesive layer. Bonding to achieve the purpose of external sealing, easy to operate.

In combination with the third possible implementation manner of the first aspect, in the fourth possible implementation manner of the first aspect, a second adhered area is reserved at the position corresponding to the trapezoidal notch of the rear paper sheet, so A second adhesive layer adhered to the second adhered region is provided on the inner surface of the sealing portion.

The express bag that realizes the above scheme, on the basis that the first adhered area of the paper sheet before the first adhesive layer is bonded to achieve the purpose of sealing, a second adhesive layer is also added. The bonding effect of the sticky area makes the sealing part and the second sticky area of the rear paper also stick together, achieves the purpose of internal sealing, and forms a double seal inside and outside, the sealing effect is better, and the external water is more difficult to break through the above Double sealing to wet the contents of the bag body, and the waterproof effect is better.

With reference to the fourth possible implementation manner of the first aspect, in a fifth possible implementation manner of the first aspect, the first adhesive layer and the second adhesive layer are connected into one piece and are formed by applying glue production.

Compared with the common express bag, the express bag that realizes the above scheme has a second adhesive layer added to the sealing part, and the first adhesive layer and the second adhesive layer can be successfully produced at the same time by one brushing of glue, and the production cost Relatively lower than two brushes.

With reference to the fourth possible implementation manner of the first aspect, in the sixth possible implementation manner of the first aspect, two sides of the sealing portion are provided with lift-up portions for tearing the express bag, and the lift-up portion is used for tearing the express bag. The sealing portion is arranged on the same line as the second adhesive layer, and the sealing portion is provided with a dotted cutting line arranged along the width edge of the second adhesive layer.

In the express bag that realizes the above solution, the lifting part is convenient for the operator to exert force on the sealing part, and combined with the virtual cutting line set on the sealing part, the operator can easily tear the glued bag mouth open, and at the same time the lifting part and The second adhesive layer is arranged in a straight line, and then the second adhesive layer can be directly peeled off from the second adhered area of the rear paper sheet, and the items in the bag body can be taken out without opening the bag opening by hand. Simple and practical operation.

With reference to the fifth possible implementation manner of the first aspect, in the seventh possible implementation manner of the first aspect, the express bag further includes:

A release paper adhered to the first adhesive layer and the second adhesive layer.

In the express bag that realizes the above solution, under normal circumstances, the first release paper has a protective effect on the first adhesive layer and the second adhesive layer; when in use, the operator can lift the first release paper to leak out the adhesive layer. The first adhesive layer and the second adhesive layer are strong, and the operation is simple.

With reference to the second possible implementation manner of the first aspect, in an eighth possible implementation manner of the first aspect, the bag body further includes:

a left piece of paper connected between the front piece of paper and the left edge of the rear piece of paper,

a right piece of paper connected between the front piece of paper and the right edge of the rear piece of paper,

and a bottom sheet connected between the front sheet and the bottom edge of the rear sheet.

To realize the express bag of the above scheme, adding a left piece of paper, a right piece of paper and a bottom piece of paper can increase the volume of the express bag, and can carry more items than a common express bag.

With reference to the eighth possible implementation manner of the first aspect, in a ninth possible implementation manner of the first aspect, both the left paper sheet and the right paper sheet can be folded along their centerlines.

The express bag that realizes the above scheme can expand the left paper, right paper and bottom paper when more items need to be loaded, so as to achieve the purpose of expansion; Folding to reduce the space occupied by the express bag, it is convenient for storage or transportation.

To sum up, the embodiments of the present utility model have the following beneficial effects:

First, by setting a waterproof layer on the inner wall of the bag body, the articles contained in the bag body have a better waterproof effect, and there is no need to cover the inner plastic bag and the outer packaging bag when mailing important documents, and the operation is convenient, concise and polluting. Small and low cost;

Second, on the basis that the paper sheet before the first adhesive layer is bonded to achieve the purpose of sealing, a second adhesive layer and a second bonded area are also added. The sealing part and the back paper are also bonded together to form an inner and outer double seal, the sealing effect is better, and it is more difficult for the external water to break through the double seal to wet the items in the bag body, and the waterproof effect is better;

Third, the addition of left paper, right paper and bottom paper can increase the volume of the express bag, which can carry more items than ordinary express bags.

Description of drawings

Fig. 1 is the structural schematic diagram of the first embodiment of the present utility model in the state where the bag mouth is not closed;

Fig. 2 is the sectional view of A-A surface in Fig. 1;

3 is a schematic structural diagram of Embodiment 1 of the present invention when the bag mouth is closed;

Fig. 4 is the structural schematic diagram of the second embodiment of the present utility model when the bag mouth has been closed;

Fig. 5 is the structural schematic diagram of the third embodiment of the present utility model, in which the release paper has been lifted;

6 is a schematic structural diagram of Embodiment 4 of the present invention when the bag mouth is not closed;

FIG. 7 is a schematic structural diagram of the fourth embodiment of the present invention when the bag mouth is closed.

Reference numerals: 1, bag body; 11, front sheet; 111, first adhered area; 12, rear sheet; 121, second adhered area; 13, left sheet; 14, right sheet; 15 2. Sealing part; 21. First adhesive layer; 22. Second adhesive layer; 23. Lifting part; 24. Virtual cutting line; 3. Waterproof layer; 4. Release paper.

Detailed ways

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to be used to explain the present invention, but should not be construed as a limitation of the present invention.

The terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

Example 1:

A courier bag, as shown in FIG. 1 and FIG. 2, includes: a bag body 1, a sealing part 2 and a waterproof layer 3, the bag body 1 is provided with a bag mouth, the sealing part 2 is located at the bag mouth, and the waterproof layer 3 covers the bag The inner wall of the body 1. The bag body 1 includes a front piece of paper 11 and a back piece of paper 12 both in the shape of a rectangle. The sealing part 2 is also made of paper material. The sealing part 2 and the back piece of paper 12 are integrally formed. 12 A trapezoidal notch is provided at the mouth of the bag. Similar to common express bags, this product is also made of paper material, which is less polluting and recyclable than plastic and other materials. The articles are packed into the bag body 1, which is convenient and practical.

When mailing valuables (such as contracts, invoices, certificates, etc.), you can directly put the items into the bag body 1 from the bag mouth, and then seal the bag mouth through the sealing part 2 to prevent the items from falling. A waterproof layer 3 is set on the inner wall of the bag, so that it is difficult for the outside water to pass through the waterproof layer 3 to directly contact the articles contained in the bag body 1, which has a better waterproof effect on articles (especially important documents, etc.), while the waterproof layer 3 Generally, the setting is relatively thin, which will not affect the normal use of the express bag. Compared with common express bags, there is no need to cover the items with additional inner plastic bags and outer packaging bags. The operation is convenient and concise, with little pollution and low cost.

In other embodiments, the material of the bag body 1 and the sealing portion 2 can be replaced with other materials, such as plastic, leather, and the like.

The waterproof layer 3 is a polyethylene film. In other embodiments, the waterproof layer 3 can also be a wax film. Both the wax film and the polyethylene film can be processed on the inner wall of the bag body 1 by a simple spraying or film coating process, and the wax film can be processed. The waterproof effect of the polyethylene film is good, and the corrosion resistance and pollution are small.

A first adhered area 111 is reserved on the outer surface of the front paper sheet 11 , and a first adhesive layer 21 adhered to the first adhered area 111 is provided on the inner surface of the sealing portion 2 . By disposing the first adhesive layer 21 on the inner surface of the sealing portion 2 , after the article is installed, the first adhesive layer 21 can be adhered to the first adhered area 111 of the front paper sheet 11 by the adhesive force of the first adhesive layer 21 . , to achieve the purpose of external sealing, easy to operate.

A second adhered area 121 is reserved at the position corresponding to the trapezoidal notch of the rear paper sheet 12 , and a second adhesive layer 22 adhered to the second adhered area 121 is provided on the inner surface of the sealing portion 2 . On the basis that the first adhesive layer 21 is bonded to the first adhered area 111 of the paper sheet 11 to achieve the purpose of sealing, a second adhesive layer 22 is also added. Through the second adhesive layer 22 and the second adhered area The bonding effect of 121 makes the sealing part 2 and the second adhered area 121 of the rear paper sheet 12 also bonded together to achieve the purpose of internal sealing, and form a double seal inside and outside, the sealing effect is better, and the external water is more difficult Breaking through the above double seals to wet the items in the bag body 1 has a better waterproof effect.

The first adhesive layer 21 and the second adhesive layer 22 are connected together and made by applying glue. Compared with the common express bag, the second adhesive layer 22 is added on the sealing part 2, and the first adhesive layer 21 and the second adhesive layer 22 can be successfully produced at the same time by one brushing of glue, and the production cost is relatively twice. Glue is lower.

1 and FIG. 3, both sides of the sealing part 2 are provided with lifting parts 23 for tearing open the express bag, the lifting parts 23 are arranged in line with the second adhesive layer 22, The virtual cutting line 24 arranged along the width edge of the connecting layer 22 is formed by a row of small holes arranged at intervals, and the small holes are arranged continuously. The lifting part 23 is convenient for the operator to exert force on the sealing part 2, and combined with the imaginary cutting line 24 set on the sealing part 2, the operator can easily tear off the glued bag mouth, and at the same time the lifting part 23 is connected with the second part. The adhesive layer 22 is arranged in the same line, and then the second adhesive layer 22 can be directly peeled off from the second adhered area 121 of the rear paper sheet 12, and the bag body 1 can be taken out without opening the bag opening by hand. Items, easy to operate and practical.

Embodiment 2:

A courier bag, as shown in FIG. 4 , differs from the first embodiment in that the small holes forming the virtual cutting line 24 are not continuously arranged, and on the basis of ensuring that the courier bag can be easily torn apart, the lifting portion 23 is not arranged. It is very easy to be opened, and the structural strength of the sealing part 2 is correspondingly enhanced.

Embodiment three:

A kind of express bag, as shown in FIG. 5 , the difference from Embodiment 1 is that the express bag also includes: a release paper 4 bonded to the first adhesive layer 21 and the second adhesive layer 22. Under normal circumstances, the first release paper 4 has a protective effect on the first adhesive layer 21 and the second adhesive layer 22; when in use, the operator can lift the first release paper 4 to leak out the adhesive first release paper 4. An adhesive layer 21 and a second adhesive layer 22 are easy to operate.

Embodiment 4:

A courier bag, as shown in FIG. 6 and FIG. 7 , differs from the first embodiment in that the bag body 1 further includes: a left paper piece 13 connected between the left edge of the front paper piece 11 and the rear paper piece 12 , the right paper 14 connected between the right edge of the front paper 11 and the rear paper 12 , and the bottom paper 15 connected between the bottom edge of the front paper 11 and the rear paper 12 . The left piece of paper 13 and the right piece of paper 14 are rectangular in shape and have the same length and width, and the bottom piece of paper 15 is also set in a rectangular shape. The addition of the left piece of paper 13, the right piece of paper 14 and the bottom piece of paper 15 can increase the volume of the express bag , Compared with ordinary express bags, more items can be loaded.

The left paper 13 and the right paper 14 can be folded along the center line. When more items need to be loaded, the left paper 13, the right paper 14 and the bottom paper 15 can be unfolded to achieve the purpose of expansion; when there is no need to mail items , which can be folded along the center line of the left piece of paper 13 and the right piece of paper 14 to reduce the space occupied by the express bag and facilitate storage or transportation.

In the above-mentioned embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference may be made to the relevant descriptions of other embodiments.

In the description of this specification, reference is made to the description of the terms "one embodiment", "some embodiments", "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc. It is intended that a particular feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above content is a further detailed description of the present invention in conjunction with specific embodiments, and it cannot be considered that the specific implementation of the present invention is limited to these descriptions. For those of ordinary skill in the technical field of the present invention, some simple deductions or substitutions can be made without departing from the concept of the present invention.

Claims (9)

1. a kind of express bag, is characterized in that, comprises: A bag body (1), the bag body (1) is provided with a bag mouth, and the bag body (1) comprises: a front sheet (11) and a rear sheet (12), the front sheet (11) facing each other A trapezoidal notch is provided at the pocket opening of the rear paper sheet (12); a sealing part (2) provided at the mouth of the bag; and a waterproof layer (3) covering the inner wall of the bag body (1). 2. The express bag according to claim 1, wherein the waterproof layer (3) is a polyethylene film or a wax film. 3. The express bag according to claim 1, wherein a first adhered area (111) is reserved on the outer surface of the front paper sheet (11), and a first adhered area (111) is reserved on the outer surface of the front sheet (11), and the inner surface of the sealing portion (2) is A first adhesive layer (21) adhered to the first adhered area (111) is provided. 4 . The express bag according to claim 3 , wherein a second adhered area ( 121 ) is reserved at a position corresponding to the trapezoidal notch of the rear paper sheet ( 12 ), and the sealing portion ( 2 ). ) is provided with a second adhesive layer (22) adhered to the second adhered area (121). 5 . The express bag according to claim 4 , wherein the first adhesive layer ( 21 ) and the second adhesive layer ( 22 ) are connected into one piece and made by applying glue. 6 . 6. The express bag according to claim 4, characterized in that, both sides of the sealing part (2) are provided with a lift-up part (23) for tearing the express bag, the lift-up part (23) and the The second adhesive layer (22) is arranged in the same line, and the sealing portion (2) is provided with a virtual cutting line (24) arranged along the width edge of the second adhesive layer (22). 7. express bag according to claim 5, is characterized in that, described express bag also comprises: A release paper (4) adhered to the first adhesive layer (21) and the second adhesive layer (22). 8. The express bag according to claim 1, wherein the bag body (1) further comprises: a left paper piece (13) connected between the front paper piece (11) and the left edge of the rear paper piece (12), a right paper piece (14) connected between the front paper piece (11) and the right edge of the rear paper piece (12), and a bottom sheet (15) connected between the front sheet (11) and the bottom edge of the rear sheet (12). 9. The express bag according to claim 8, characterized in that both the left paper piece (13) and the right paper piece (14) can be folded along the center line thereof.