Anti-impact kraft paper bag

By designing the storage groove and flange structure on the inner wall of the inner layer of the kraft paper bag, combined with the limit ring and thread matching, the problem of fixing the position of the hand rope is solved, and the position of the hand rope is adjustable is realized, and the portability and durability of the kraft paper bag is improved.

CN223238446UActive Publication Date: 2025-08-19ZHEJIANG SENLING PACKAGING CO LTD
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Patent Information

Application Number
CN202422700514.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-06
Publication Date
2025-08-19
Estimated Expiration
2034-11-06

AI Technical Summary

Technical Problem

The position of the existing kraft paper bag hand rope is fixed, and it cannot be adjusted appropriately according to the number and height of the items loaded, resulting in difficulty in holding the hand rope when there are too many items, reducing convenience and practicality.

Method used

A shock-resistant kraft paper bag is designed. The inner wall of the inner bag is equipped with a storage groove and flip. The flip can be expanded and the hand rope is connected through the rope thread hole of the projection. Combined with the limit ring and thread fit, the user allows the user to adjust the position of the hand rope.

Benefits of technology

It realizes that the hand rope can be easily clamped when the item is full of load and protruding, which enhances the portability and flexibility of the kraft paper bag, and improves the strength and stability of the flange.

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Abstract

The utility model belongs to the field of kraft paper bags, and particularly relates to an anti-impact kraft paper bag which comprises a kraft paper bag body and a lifting rope, the kraft paper bag body is provided with an inner-layer bag, an outer-layer bag is arranged on the outer wall of the inner-layer bag, containing grooves are formed in the two sides of the inner wall of the inner-layer bag, turnups are arranged in the containing grooves, and the turnups are connected with the lifting rope. A folding part is arranged between the turned-over edge and the inner-layer bag, the turned-over edge can be unfolded from the interior of the storage groove along the folding part, the turned-over edge comprises a main body part, and the main body part is provided with two protruding parts; by means of the containing groove, the protruding part and the rope penetrating hole, during use, a user is allowed to adjust the position of the hand lifting rope according to the loading capacity, in other words, the turnup is unfolded as needed, the hand lifting rope penetrates through the rope penetrating hole, the installation position of the hand lifting rope can be adjusted, and therefore the user can easily buckle the hand lifting rope without removing part of objects even under the condition that the objects are fully loaded and protrude. And the portability and the use flexibility of the kraft paper bag are greatly enhanced.
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Description

Technical Field

[0001] The utility model relates to the field of kraft paper bags, in particular to an impact-resistant kraft paper bag. Background Art

[0002] Kraft paper bags are high-strength and environmentally friendly packaging bags made primarily from kraft pulp. As a widely used packaging container, they are highly favored by consumers and businesses due to their durability, environmental friendliness, and recyclability. In daily life and commercial applications, kraft paper bags are often used to carry a variety of items, from daily groceries to commercial products. To ensure convenient carrying, most existing kraft paper bags are designed with a handle. These handles are typically fixed to the size of the kraft paper bag and are of moderate length, making them easy to carry with one or both hands.

[0003] However, in the actual use of kraft paper bags, people often encounter some inconveniences. Specifically, when the kraft paper bags need to be reused and need to carry more items, these items are likely to protrude from the bag opening after piling up inside the kraft paper bags. Since the length and installation position of the hand rope are usually fixed and cannot be properly adjusted according to the number and height of the loaded items, it is difficult for the fingers to hold the hand rope when a large number of items are piled up, which reduces the convenience and practicality of the kraft paper bags. Therefore, a shock-resistant kraft paper bag is proposed to address the above situation. Utility Model Content

[0004] In order to make up for the problem in the prior art that the position of the hand rope cannot be properly adjusted according to the quantity and height of the loaded items, the utility model provides an impact-resistant kraft paper bag.

[0005] The utility model solves the technical problem by adopting the following technical solution: an impact-resistant kraft paper bag, comprising a kraft paper bag body and a hand rope, wherein the kraft paper bag body has an inner bag, and an outer bag is provided on the outer wall of the inner bag.

[0006] Both sides of the inner wall of the inner bag are provided with a storage groove, a flange is provided in the storage groove, a folding portion is provided between the flange and the inner bag, and the flange can be unfolded from the storage groove along the folding portion.

[0007] The flange includes a main body portion, which is provided with a raised portion. There are two raised portions, both of which are provided with a rope threading hole. Both ends of the main body portion have a reinforcement portion.

[0008] Both ends of the hand rope are provided with connecting columns. When the connecting columns pass through the rope threading holes, the threaded ends of the connecting columns are engaged with the limiting rings.

[0009] Preferably, two through holes are provided on both sides of the outer wall of the kraft paper bag body.

[0010] Preferably, when the flange is folded into the receiving groove, the through hole and the rope threading hole are cocentric, and the hand rope passes through the through hole and the rope threading hole and then extends into the kraft paper bag body.

[0011] Preferably, the connecting column is shaped like a convex column, and the outer wall of the connecting column has an external thread.

[0012] Preferably, a thread groove is provided on the limiting ring, and the connecting column is threadably engaged with the thread groove via an external thread.

[0013] Preferably, the hand rope is made of nylon, and the connecting column and the limiting ring are both made of plastic.

[0014] Preferably, the main body, raised portion, reinforcement portion and kraft paper bag body are all integrally formed.

[0015] Preferably, a rubber sleeve is provided at the middle portion of the outer wall of the hand rope.

[0016] The utility model is beneficial in that:

[0017] 1. The structural design of the storage slot, protrusion and rope threading hole allows the user to adjust the position of the hand rope according to the load during use. That is, when needed, the flap can be unfolded and the hand rope can be passed through the rope threading hole to achieve the adjustment of the hand rope installation position. Even when the bag is fully loaded and the items bulge out, the user can easily buckle the hand rope without removing some items, which greatly enhances the portability and flexibility of the kraft paper bag.

[0018] 2. The utility model increases the strength and stability of the flap to a certain extent through the reinforcement part and the integrated molding design with the kraft paper bag body, which helps to prevent the flap from being torn due to the impact of heavy objects, thereby improving the protection of the items in the bag and making the kraft paper bag more durable. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 It is a structural diagram of a kraft paper bag;

[0021] Figure 2 Schematic diagram of the structure after the flange is unfolded;

[0022] Figure 3 Schematic diagram of the assembly structure of the flange and the hand rope;

[0023] Figure 4 Schematic diagram of the structure of the hand rope;

[0024] Figure 5 Schematic diagram of the flanging structure.

[0025] In the figure: 1. Kraft paper bag body; 101. Inner bag; 1010. Storage slot; 102. Outer bag; 2. Through hole; 3. Flanged edge; 301. Main body; 302. Raised portion; 3020. Rope hole; 303. Reinforcement portion; 4. Folding portion; 5. Hand rope; 501. Connecting column; 5010. External thread; 502. Limiting ring; 5020. Threaded groove. DETAILED DESCRIPTION

[0026] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] The following is combined with Figure 1 —5 further details of this application,

[0028] The present application embodiment discloses an impact-resistant kraft paper bag. Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 A shock-resistant kraft paper bag comprises a kraft paper bag body 1 and a hand rope 5. The kraft paper bag body 1 has an inner bag 101, and an outer bag 102 is provided on the outer wall of the inner bag 101.

[0029] Among them, the double-layer design of the kraft paper bag body 1 has stronger impact resistance

[0030] There are storage grooves 1010 on both sides of the inner wall of the inner bag 101. A flange 3 is provided in the storage groove 1010. The material of the flange 3 is kraft paper. There is a folding part 4 between the flange 3 and the inner bag 101. The flange 3 can be unfolded from the storage groove 1010 along the folding part 4.

[0031] The folded portion 4 is a crease formed by folding along the connection between the cuff 3 and the inner bag 101 when the cuff 3 and the inner bag 101 are integrally formed.

[0032] The flange 3 includes a main body 301 with two raised portions 302 . Both raised portions 302 are provided with rope holes 3020 . Both ends of the main body 301 have reinforcement portions 303 .

[0033] The main body 301 , the raised portion 302 , the reinforcement portion 303 and the kraft paper bag body 1 are all integrally formed.

[0034] Both ends of the hand rope 5 are provided with connecting posts 501 . When the connecting posts 501 pass through the rope threading hole 3020 , the threaded ends of the connecting posts 501 are engaged with the limiting rings 502 .

[0035] Reference Figure 1 and Figure 2 As shown, two through holes 2 are provided on both sides of the outer wall of the kraft paper bag body 1. When the flange 3 is folded into the storage groove 1010, the through hole 2 and the rope hole 3020 are cocentric. The hand rope 5 passes through the through hole 2 and the rope hole 3020 and then extends into the kraft paper bag body 1.

[0036] The through hole 2 is used for assembling the hand rope 5 . When the kraft paper bag body 1 is used normally, the hand rope 5 passes through the through hole 2 and the rope hole 3020 in sequence. At this time, the flange 3 is folded in the storage groove 1010 .

[0037] Reference Figure 4 The connecting column 501 is shaped like a convex column. The outer wall of the connecting column 501 has an external thread 5010. The limiting ring 502 is provided with a thread groove 5020. The connecting column 501 is threadedly matched with the thread groove 5020 through the external thread 5010.

[0038] When the hand rope 5 is installed, the position of the hand rope 5 can be limited by threading the limiting ring 502 onto the connecting column 501, thereby achieving the purpose of taking the hand rope 5.

[0039] The hand rope 5 is made of nylon, and the connecting column 501 and the limiting ring 502 are both made of plastic.

[0040] Reference Figure 1 、 Figure 2 、 Figure 3 and Figure 4 A rubber sleeve is provided at the middle part of the outer wall of the hand rope 5.

[0041] Among them, by providing the rubber sleeve, the comfort of the user when holding the hand rope 5 can be improved.

[0042] Working principle: During use, when the kraft paper bag body 1 needs to be used to load more items, first disassemble the hand rope 5 and remove it from the through hole 2, then unfold the flange 3 from the storage groove 1010 along the folding part 4, and then pass the connecting columns 501 at both ends of the hand rope 5 through the rope hole 3020 respectively, and then thread the threaded groove 5020 on the limiting ring 502 with the connecting column 501. This allows the user to adjust the position of the hand rope 5 according to the loading amount, that is, unfold the flange 3 when necessary and pass the hand rope 5 through the rope hole 3020, so that the installation position of the hand rope 5 can be adjusted, so that even when the items are fully loaded and protruding, the user can easily buckle the hand rope 5 without removing some items, which greatly enhances the portability and flexibility of use of the kraft paper bag.

[0043] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. An impact-resistant kraft paper bag, comprising a kraft paper bag body (1), wherein the kraft paper bag body (1) has an inner bag (101), and an outer bag (102) is provided on the outer wall of the inner bag (101), characterized in that: Both sides of the inner wall of the inner bag (101) are provided with a storage groove (1010), a flange (3) is provided in the storage groove (1010), a folding portion (4) is provided between the flange (3) and the inner bag (101), and the flange (3) can be unfolded from the storage groove (1010) along the folding portion (4); The flange (3) comprises a main body (301), the main body (301) having a raised portion (302), two raised portions (302), both of which are provided with a rope threading hole (3020), and both ends of the main body (301) having a reinforcement portion (303); It also includes a hand rope (5), wherein both ends of the hand rope (5) are provided with connecting columns (501), and when the connecting column (501) passes through the rope threading hole (3020), the threaded end of the connecting column (501) is threadedly engaged with the limit ring (502).

2. The impact-resistant kraft paper bag according to claim 1, characterized in that: Two through holes (2) are provided on both sides of the outer wall of the kraft paper bag body (1).

3. The impact-resistant kraft paper bag according to claim 2, characterized in that: When the flange (3) is folded into the receiving groove (1010), the through hole (2) and the rope threading hole (3020) are cocentric, and the hand rope (5) passes through the through hole (2) and the rope threading hole (3020) and then extends into the kraft paper bag body (1).

4. The impact-resistant kraft paper bag according to claim 1, characterized in that: The connecting column (501) is shaped like a convex column, and the outer wall of the connecting column (501) has an external thread (5010).

5. The impact-resistant kraft paper bag according to claim 1 or 4, characterized in that: A thread groove (5020) is provided on the limiting ring (502), and the connecting column (501) is threadably engaged with the thread groove (5020) via an external thread (5010).

6. The impact-resistant kraft paper bag according to claim 1, characterized in that: The hand rope (5) is made of nylon, and the connecting column (501) and the limiting ring (502) are both made of plastic.

7. The impact-resistant kraft paper bag according to claim 1, characterized in that: The main body (301), the raised portion (302), the reinforcement portion (303) and the kraft paper bag body (1) are all integrally formed.

8. The impact-resistant kraft paper bag according to claim 6, characterized in that: A rubber sleeve is provided at the middle portion of the outer wall of the hand rope (5).