High-strength environment-friendly packaging paper bag

By designing a high-strength handle structure and waterproof mechanism in environmentally friendly packaging paper bags, the problems of easy breakage and internal water accumulation of existing paper bag handles are solved, achieving a more stable handle and a longer service life.

CN222860061UActive Publication Date: 2025-05-13YIWU JUNYE PAPER PROD CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421925510.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-09
Publication Date
2025-05-13
Estimated Expiration
2034-08-09

AI Technical Summary

Technical Problem

The existing environmentally friendly wrapping paper bags are easily disconnected when used for a long time or carrying heavy objects, resulting in damage to the paper bag.

Method used

A high-strength environmentally friendly packaging paper bag is designed, which adopts a base, lifting rope, paper case, installation box, fixing plate, rotating rod, torsion spring and waterproof mechanism. The lifting rope is stored by a thread-receiving roller. The base design makes the lifting rope more stable when used, and the waterproof mechanism prevents water accumulation inside.

Benefits of technology

It improves the firmness of the handle and the overall strength of the paper bag, extends the service life, avoids the damage to the paper bag caused by the handle breakage, and keeps the inside of the paper bag dry through the waterproof mechanism.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222860061U_ABST
    Figure CN222860061U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of packaging paper bags, and discloses a high-strength environment-friendly packaging paper bag which comprises a base and a lifting rope, the top of the base is fixedly connected with a paper shell, the left side and the right side of the top of the base are fixedly connected with installation boxes, the top of the base is fixedly connected with a fixing plate, and the interior of the fixing plate is rotationally connected with a rotating rod. A circular plate is fixedly connected to the outer wall of the rotating rod, a torsion spring is fixedly connected to the left side of the circular plate, the left end of the torsion spring is fixedly connected to the right side of the fixing plate, and the left end and the right end of the rotating rod penetrate through the adjacent sides of the mounting box and are fixedly connected with take-up rollers. According to the paper box, the disc is driven by the torsion spring to rotate reversely, so that the lifting rope is stored, the paper box can be better protected due to the fact that the lifting rope is designed at the position of the base, the paper box is protected through the waterproof layer and the drainage sleeve, meanwhile, water in the paper box is drained, and the service life of the paper box is prolonged.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of packaging paper bags, in particular to a high-strength environmentally friendly packaging paper bag. Background Art

[0002] Environmentally friendly packaging paper bags are a new type of packaging method that has emerged in recent years under the global environmental protection trend. They use renewable paper as raw material and are carefully designed and made to meet the basic needs of commodity packaging while greatly reducing the impact on the environment. Compared with traditional plastic bags, environmentally friendly packaging paper bags have many advantages.

[0003] Environmentally friendly packaging paper bags are easy to recycle and reuse. Paper itself is a recyclable resource. Used paper bags can be converted into pulp again through the recycling system and used to make new paper bags or other paper products, forming a green circular chain.

[0004] Existing packaging bags also have handles designed on both sides. After placing items in the paper bag, the paper bag can be easily taken out through the handles. This is convenient for production and processing, and is more simple and convenient to use. However, when carrying heavy objects and using the paper bag for a long time, the handles are easily broken, causing the paper bag to be damaged. Therefore, a high-strength environmentally friendly packaging paper bag is proposed to solve the above problem. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a high-strength environmentally friendly packaging paper bag, aiming to improve the problem in the prior art that the handles are easily broken due to long-term use, thereby causing damage to the paper bag.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a high-strength environmentally friendly packaging paper bag, including a base and a lifting rope, the top of the base is fixedly connected with a paper shell, the left and right sides of the top of the base are fixedly connected with installation boxes, the top of the base is fixedly connected with a fixing plate, the inside of the fixing plate is rotatably connected with a rotating rod, the outer wall of the rotating rod is fixedly connected with a circular plate, the left side of the circular plate is fixedly connected with a torsion spring, the left end of the torsion spring is fixedly connected to the right side of the fixing plate, the left and right ends of the rotating rod both pass through the adjacent side of the installation box and are fixedly connected with a take-up roller, the two adjacent ends of the lifting rope both pass through the front and rear sides of the paper shell and are fixedly connected to the outer wall of the take-up roller, the tops of the two installation boxes are fixedly connected with a placing plate, and a waterproof mechanism is provided inside the paper shell, and the waterproof mechanism is used to avoid water accumulation inside.

[0007] As a further description of the above technical solution:

[0008] The waterproof mechanism comprises a waterproof layer, the outer wall of the waterproof layer is fixedly connected to the inner wall of the paper shell, the front and rear sides of the paper shell are both connected with drainage sleeves, the left and right sides of the inside of the paper shell are both fixedly connected with a plurality of clamping columns, the outer walls of the plurality of clamping columns are slidably connected with fixed blocks, the adjacent plurality of fixed blocks are fixedly connected with outer shells, the adjacent sides of the two outer shells are provided with holes, and the insides of the two outer shells are fixedly connected with drying sheets.

[0009] As a further description of the above technical solution:

[0010] The front and rear sides of the paper shell are both fixedly connected to the limiting plate, and the outer walls of the two lifting ropes are both slidably connected to the inside of the limiting plate.

[0011] As a further description of the above technical solution:

[0012] The outer walls of the two lifting ropes are fixedly connected with anti-slip sleeves, and the outer walls of the two anti-slip sleeves are provided with grooves.

[0013] As a further description of the above technical solution:

[0014] The inner front side of the paper shell is fixedly connected with a Velcro, and the inner rear side of the paper shell is fixedly connected with a back sticker.

[0015] As a further description of the above technical solution:

[0016] The left and right sides of the paper shell are both provided with folds, and the paper shell is made of kraft paper.

[0017] As a further description of the above technical solution:

[0018] Screw holes are provided at the four corners of the top of the placement plate, and bolts are threadedly connected inside the screw holes.

[0019] As a further description of the above technical solution:

[0020] The diameters of the plurality of bolts are matched to the inner diameters of the screw holes, and the bottom ends of the bolts penetrate through the inside of the screw holes and are threadedly connected to the four corners of the top of the base.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, the paper shell is opened for use, and then the lifting rope is pulled out, and the lifting rope will be released on the take-up roller for use. In this way, when the lifting rope is not in use, the disc can be driven by the torsion spring to rotate in the opposite direction, so that the lifting rope can be stored. Since the lifting rope is designed at the position of the base, the paper shell can be better protected to avoid the possibility of damage to the paper shell. The outer wall of the lifting rope is limitedly connected by a limiting plate to improve the firmness of the lifting rope.

[0023] 2. In the utility model, a waterproof layer is fixedly installed on the inner wall of the paper shell. The waterproof layer is made of a plastic transparent paper sheet, which has a good waterproof effect and can increase the overall toughness of the paper shell. At the same time, the waterproof layer and the paper shell are connected through a drainage sleeve, which can not only protect the joint between the waterproof layer and the paper shell from being corroded by water, but also facilitate the discharge of internal water, thereby increasing the service life of the paper shell. At the same time, a drying sheet is placed through the outer shell, and the dryness of the inside of the paper shell can be maintained through the drying sheet. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A three-dimensional diagram of the high-strength environmentally friendly packaging paper bag proposed by the utility model;

[0025] Figure 2 This is an exploded view of the local structure of the high-strength environmentally friendly packaging paper bag proposed by the utility model;

[0026] Figure 3 This is a partial structural breakdown diagram of the high-strength environmentally friendly packaging paper bag proposed by the utility model.

[0027] Legend:

[0028] 1. Base; 2. Waterproof mechanism; 201. Waterproof layer; 202. Drainage sleeve; 203. Column; 204. Fixed block; 205. Shell; 206. Hole; 207. Drying sheet; 3. Paper shell; 4. Installation box; 5. Fixed plate; 6. Turn rod; 7. Torsion spring; 8. Round plate; 9. Take-up roller; 10. Lifting rope; 11. Placement plate; 12. Limit plate; 13. Anti-slip sleeve; 14. Groove; 15. Velcro; 16. Back sticker; 17. Crease; 18. Screw hole; 19. Bolt. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Reference Figure 1 and Figure 2The utility model provides an embodiment of a high-strength environmentally friendly packaging paper bag, including a base 1 and a lifting rope 10, a paper shell 3 is fixedly connected to the top of the base 1, and installation boxes 4 are fixedly connected to the left and right sides of the top of the base 1, a fixing plate 5 is fixedly connected to the top of the base 1, a rotating rod 6 is rotatably connected to the inside of the fixing plate 5, a circular plate 8 is fixedly connected to the outer wall of the rotating rod 6, a torsion spring 7 is fixedly connected to the left side of the circular plate 8, and the left end of the torsion spring 7 is fixedly connected to the right side of the fixing plate 5, and the left and right ends of the rotating rod 6 pass through the adjacent side of the installation box 4 and are fixedly connected It is connected to a take-up roller 9, and the adjacent ends of the two lifting ropes 10 pass through the front and rear sides of the paper shell 3 and are fixedly connected to the outer wall of the take-up roller 9. The tops of the two installation boxes 4 are fixedly connected to a placement plate 11, and a waterproof mechanism 2 is provided inside the paper shell 3. The waterproof mechanism 2 is used to avoid water accumulation inside. The front and rear sides of the paper shell 3 are fixedly connected to a limiting plate 12, and the outer walls of the two lifting ropes 10 are slidably connected to the inside of the limiting plate 12. The outer walls of the two lifting ropes 10 are fixedly connected to anti-slip sleeves 13, and the outer walls of the two anti-slip sleeves 13 are provided with grooves 14.

[0031] The top of the base 1 is fixed with a paper shell 3, and the left and right sides of the top of the base 1 are provided with a mounting box 4. At the same time, a fixing plate 5 is fixedly installed on the top of the base 1. The rotating rod 6 is installed and connected through the fixing plate 5 so that the rotating rod 6 can rotate inside the fixing plate 5. The left and right ends of the rotating rod 6 pass through the adjacent side of the mounting box 4 and are fixedly connected with the internal take-up roller 9. The take-up roller 9 is used to store and use the lifting rope 10. The lifting rope 10 adopts a rope belt to ensure the overall firmness. A disc 8 is fixedly installed in the middle of the outer wall of the rotating rod 6. The disc 8 and the fixing plate 5 are connected and fixed by a torsion spring 7. In this way, when the lifting rope 10 is not in use, the lifting rope 10 can be stored and processed by the torsion spring 7. Since the lifting rope 10 is designed at the position of the base 1, the paper shell 3 can be better protected to avoid the possibility of damage to the paper shell 3. The outer wall of the lifting rope 10 is limitedly connected by a limiting plate 12 to improve the firmness of the lifting rope 10.

[0032] Reference Figure 1 , Figure 2 and Figure 3 The waterproof mechanism 2 includes a waterproof layer 201, the outer wall of the waterproof layer 201 is fixedly connected to the inner wall of the paper shell 3, the front and rear sides of the paper shell 3 are connected with drainage sleeves 202, the left and right sides of the inside of the paper shell 3 are fixedly connected with multiple clamping columns 203, the outer walls of the multiple clamping columns 203 are slidably connected with fixed blocks 204, the adjacent multiple fixed blocks 204 are fixedly connected with shells 205, the adjacent sides of the two shells 205 are provided with holes 206, the insides of the two shells 205 are fixedly connected with drying sheets 207, the front side of the inside of the paper shell 3 is fixedly connected with Velcro 15, and the back side of the inside of the paper shell 3 is fixedly connected with a back sticker 16.

[0033] Specifically, a waterproof layer 201 is fixedly installed on the inner wall of the paper shell 3. The waterproof layer 201 is made of a plastic transparent paper sheet, has a good waterproof effect, and can increase the overall toughness of the paper shell 3. At the same time, the waterproof layer 201 and the paper shell 3 are connected through a drainage sleeve 202, which can not only protect the joint between the waterproof layer 201 and the paper shell 3 from being corroded by water, but also discharge the internal water. A plurality of clamping columns 203 are fixed on both sides of the inside of the paper shell 3. The outer shell 205 is fixedly installed by the clamping columns 203 and the fixing blocks 204. At the same time, a drying sheet 207 is installed inside the outer shell 205, and the internal moisture is dried by the drying sheet 207.

[0034] Reference Figure 1 and Figure 2 There are folds 17 on both sides of the paper shell 3. The paper shell 3 is made of kraft paper. There are screw holes 18 at the four corners of the top of the placement plate 11. Bolts 19 are threadedly connected inside the screw holes 18. The diameters of the multiple bolts 19 are matched with the inner diameters of the screw holes 18. The bottom ends of the bolts 19 pass through the inside of the screw holes 18 and are threadedly connected to the four corners of the top of the base 1.

[0035] Specifically, folds 17 are provided on both the left and right sides of the paper shell 3, and the paper bag can be easily folded by the folds 17. At the same time, the placement plate 11 and the base 1 are reinforced by bolts 19, thereby improving the overall firmness.

[0036] Working principle: first open the paper shell 3 for use, then pull out the lifting rope 10, and the lifting rope 10 will be released on the take-up roller 9 for use. In this way, when the lifting rope 10 is not in use, the torsion spring 7 can drive the disc 8 to rotate in the opposite direction to store the lifting rope 10. Since the lifting rope 10 is designed at the position of the base 1, the paper shell 3 can be better protected to avoid the possibility of damage to the paper shell 3. The outer wall of the lifting rope 10 is limitedly connected by the limiting plate 12 to improve the firmness of the lifting rope 10.

[0037] A waterproof layer 201 is fixedly installed on the inner wall of the paper shell 3. The waterproof layer 201 is made of a plastic transparent paper sheet and has a good waterproof effect. At the same time, the overall toughness of the paper shell 3 can be increased. At the same time, the waterproof layer 201 and the paper shell 3 are connected through a drainage sleeve 202, which can not only protect the joint between the waterproof layer 201 and the paper shell 3 from being corroded by water, but also facilitate the discharge of internal water, thereby increasing the service life of the paper shell 3. The outer shell 205 is fixedly installed by the clamping column 203, and the internal moisture is dried by the drying sheet 207.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-strength environmentally friendly packaging paper bag, comprising a base (1) and a lifting rope (10), characterized in that: The top of the base (1) is fixedly connected to a paper shell (3), the left and right sides of the top of the base (1) are fixedly connected to installation boxes (4), the top of the base (1) is fixedly connected to a fixing plate (5), the inside of the fixing plate (5) is rotatably connected to a rotating rod (6), the outer wall of the rotating rod (6) is fixedly connected to a circular plate (8), the left side of the circular plate (8) is fixedly connected to a torsion spring (7), the left end of the torsion spring (7) is fixedly connected to the right side of the fixing plate (5), the left and right ends of the rotating rod (6) both pass through the adjacent side of the installation box (4) and are fixedly connected to a take-up roller (9), the adjacent ends of the two lifting ropes (10) both pass through the front and rear sides of the paper shell (3) and are fixedly connected to the outer wall of the take-up roller (9), the tops of the two installation boxes (4) are fixedly connected to a placement plate (11), the inside of the paper shell (3) is provided with a waterproof mechanism (2), the waterproof mechanism (2) is used to prevent water accumulation inside.

2. The high-strength environmentally friendly packaging paper bag according to claim 1, characterized in that: The waterproof mechanism (2) comprises a waterproof layer (201), the outer wall of the waterproof layer (201) is fixedly connected to the inner wall of the paper shell (3), the front and rear sides of the paper shell (3) are both connected to drainage sleeves (202), the left and right sides of the inside of the paper shell (3) are both fixedly connected to a plurality of clamping columns (203), the outer walls of the plurality of clamping columns (203) are slidably connected to fixed blocks (204), the adjacent plurality of fixed blocks (204) are fixedly connected to outer shells (205), the adjacent sides of the two outer shells (205) are each provided with a hole (206), and the interiors of the two outer shells (205) are both fixedly connected to drying sheets (207).

3. The high-strength environmentally friendly packaging paper bag according to claim 1, characterized in that: The front and rear sides of the paper shell (3) are fixedly connected to the limiting plate (12), and the outer walls of the two lifting ropes (10) are slidably connected to the inside of the limiting plate (12).

4. The high-strength environmentally friendly packaging paper bag according to claim 1, characterized in that: The outer walls of the two lifting ropes (10) are both fixedly connected with anti-slip sleeves (13), and the outer walls of the two anti-slip sleeves (13) are both provided with grooves (14).

5. The high-strength environmentally friendly packaging paper bag according to claim 1, characterized in that: The inner front side of the paper shell (3) is fixedly connected with a Velcro (15), and the inner rear side of the paper shell (3) is fixedly connected with a back sticker (16).

6. The high-strength environmentally friendly packaging paper bag according to claim 1, characterized in that: The left and right sides of the paper shell (3) are both provided with folds (17), and the paper shell (3) is made of kraft paper.

7. The high-strength environmentally friendly packaging paper bag according to claim 1, characterized in that: Screw holes (18) are provided at the four corners of the top of the placement plate (11), and bolts (19) are threadedly connected inside the screw holes (18).

8. The high-strength environmentally friendly packaging paper bag according to claim 7, characterized in that: The diameters of the plurality of bolts (19) are matched to the inner diameter of the screw hole (18); the bottom ends of the bolts (19) penetrate the inside of the screw hole (18) and are threadedly connected to the four corners of the top of the base (1).