一种可降解的包装塑料袋

By designing a flexible locking structure with pressure bars and clamps on the packaging plastic bag, combined with easy-tear lines and pull blocks, the problems of non-sealing and easy breakage are solved, achieving reusability and safety assurance.

CN224512016UActive Publication Date: 2026-07-17SHANDONG TIANRENHAIHUA BIO-TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG TIANRENHAIHUA BIO-TECH CO LTD
Filing Date
2025-09-15
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing packaging plastic bags are not sealed properly, are easily damaged, and secondary sealing affects the safety of the goods, resulting in poor protection.

Method used

Design a biodegradable packaging plastic bag that uses a pressure bar and a locking bar structure to achieve a bag opening seal through elastic snapping, and a removable sealing design through an easy-tear line and pull block structure to ensure the bag opening's airtightness and security.

Benefits of technology

This technology enables the reusability of packaging plastic bags, improves the sealing and security of the bag opening, reduces assembly difficulty, and ensures the safety of the goods.

✦ Generated by Eureka AI based on patent content.

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Abstract

本实用新型公开了一种可降解的包装塑料袋，具体涉及包装技术领域，包括降解袋体，降解袋体的一侧设置有压杆，降解袋体的另一侧设置有卡杆，压杆和卡杆用于夹固降解袋体的袋口，压杆和卡杆上均设置有提手绳，且提手绳与降解袋体相连，卡杆的表面开设有易撕线，卡杆的表面固定连接有拉块，压杆的一端固定连接有拉杆；卡杆的内侧设置有卡槽，压杆卡接在卡槽内；降解袋体的表面固定连接有金属环，提手绳穿过金属环；提手绳上分别固定连接有限位节一和限位节二，两个提手绳的端部分别穿过压杆和卡杆，两个提手绳上对应的限位节二分别位于卡槽内和卡杆的外表面；本实用新型解决两轮包装塑料袋封口和防范效果差的技术问题。
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Claims

1. A degradable packaging plastic bag comprising a degradable bag body (1), characterized in that: A pressure bar (2) is provided on one side of the biodegradable bag body (1), and a clamping bar (3) is provided on the other side of the biodegradable bag body (1). The pressure bar (2) and the clamping bar (3) are used to clamp the bag opening of the biodegradable bag body (1). A handle rope (4) is provided on both the pressure bar (2) and the clamping bar (3), and the handle rope (4) is connected to the biodegradable bag body (1). An easy-tear line (5) is provided on the surface of the clamping bar (3). A pull block (6) is fixedly connected to the surface of the clamping bar (3). A pull rod (7) is fixedly connected to one end of the pressure bar (2).

2. A degradable packaging plastic bag according to claim 1, characterized in that: The inner side of the lever (3) is provided with a slot (31), and the pressure rod (2) is engaged in the slot (31).

3. The degradable plastic bag of claim 1, wherein: A metal ring (10) is fixedly connected to the surface of the degradation bag (1), and the handle rope (4) passes through the metal ring (10).

4. The degradable plastic bag of claim 1, wherein: Limiting section one (41) and limiting section two (42) are fixedly connected to the handle rope (4) respectively. The ends of the two handle ropes (4) pass through the pressure rod (2) and the clamping rod (3) respectively. The corresponding limiting section two (42) on the two handle ropes (4) are located in the groove (31) and on the outer surface of the clamping rod (3) respectively.

5. A degradable packaging plastic bag according to claim 4, characterized in that: The outer surface of the pressure rod (2) is provided with a relief groove (8), which is used to avoid the limiting section 2 (42) in the slot (31).

6. The degradable plastic bag of claim 2, wherein: The outer surface of the lever (3) is provided with a notch (9), which is connected to the slot (31).

7. The degradable plastic bag of claim 1, wherein: The total length of the pressure rod (2) and the pull rod (7) is equal to the length of the clamp rod (3).

8. The degradable plastic bag of claim 1, wherein: The pull block (6) has a thumb opening (61).