Double-layer sealing blister cap based on elastic lock

Abstract

The utility model relates to blister product technical field, concretely is a kind of double-layer sealing blister cover based on elastic lock catch, comprising: box cover, box body and lock catch component, lock catch component is equipped between box cover and box body;Lock catch component includes hinged element and buckle element, box cover is equipped with first sealing strip and second sealing strip, box body sets up first sealing groove, second sealing groove;First sealing strip and first sealing groove cooperation form first sealing structure, and second sealing strip and second sealing groove cooperation form second sealing structure;By lock catch component, hinged element and buckle element are oppositely arranged in the both sides of box body, so that box cover can be flexibly opened and closed by hinged element and locked;Through first sealing structure, second sealing structure, improve the overall sealing performance;Enhance the protection effect of blister cover to the article in box body, all can maintain suitable storage environment by its good sealing property, prolong the shelf life of article.

Description

Technical Field

[0001] This utility model relates to the field of blister packaging technology, specifically a double-layer sealing blister cover based on an elastic buckle. Background Technology

[0002] The main raw materials for blister packs include PVC, PS, PP, PET, PETG, as well as flocking, antistatic, and conductive materials. After being heated at high temperatures, they are vacuum-absorbed and cooled to form plastic products.

[0003] Existing blister caps, when manually fastened to the box, are prone to misalignment, resulting in gaps during the fastening process. This makes it difficult to protect the product inside the box, greatly reducing the efficiency of blister cap use and hindering its development. Utility Model Content

[0004] To address the aforementioned problems, this utility model provides a double-layer sealing blister cap based on an elastic latch. This solves the issues of existing blister caps being prone to misalignment during manual latching and having gaps during the latching process, which hinders the protection of the product inside the box and greatly reduces the efficiency of blister cap usage, thus impeding their development.

[0005] The technical solution adopted by this utility model is as follows: it includes a box lid, a box body, and a locking assembly. The locking assembly is disposed between the box lid and the box body. The locking assembly includes a hinge element and a snap-fit ​​element, which are disposed opposite to each other on both sides of the box body. One end of the box lid is movably disposed on the hinge element. A first sealing strip is provided on the inner wall of the box lid. A second sealing strip is provided on the box lid near the hinge element. A first sealing groove is provided on the box body relative to the first sealing strip. A second sealing groove is provided on the box body near the hinge element. The first sealing strip and the first sealing groove cooperate to form a first sealing structure. The second sealing strip and the second sealing groove cooperate to form a second sealing structure.

[0006] A further improvement to the above solution is that the box cover and the hinge element are integrally injection molded.

[0007] A further improvement to the above solution is that the hinge element includes a hinge seat, and a hinge shaft is provided near the box cover. The hinge shaft drives the box cover to perform hinged movement along the hinge seat.

[0008] A further improvement to the above solution is that the hinge seat facing the box cover is an arc surface, and the hinge shaft is L-shaped.

[0009] A further improvement to the above solution is that the box body has a notch near the buckle element, and the inner walls of the notch are curved on both sides.

[0010] A further improvement to the above solution is that the snap-fit ​​element includes a snap-fit ​​block and a snap-fit ​​seat. The snap-fit ​​block is disposed on the lid, and the snap-fit ​​seat is disposed on the notch. The snap-fit ​​block and the snap-fit ​​seat cooperate to fasten the lid onto the box body.

[0011] A further improvement to the above solution is that one end of the snap-fit ​​block is provided with a snap-fit ​​chamfer, and the outer wall of the snap-fit ​​seat is provided with a snap-fit ​​groove. The snap-fit ​​chamfer and the snap-fit ​​groove cooperate to lock the lid and the box body together.

[0012] A further improvement to the above solution is that the first sealing strip is annular.

[0013] A further improvement to the above scheme is that the second sealing strip is provided in two sets, with the two sets of the second sealing strip arranged opposite to each other, and the second sealing strip is strip-shaped.

[0014] A further improvement to the above solution is that the air pressure valve is a plastic product.

[0015] The beneficial effects of this utility model are:

[0016] Compared to existing blister caps, this invention features a locking assembly with hinge and snap-fit ​​elements positioned opposite each other on either side of the box. This allows the cap to open and close flexibly via the hinge and securely fasten to the box via the snap-fit ​​elements, resulting in convenient operation and a tight connection. Regarding sealing, the first sealing strip on the inner wall and the corresponding first sealing groove on the box form a first sealing structure, effectively preventing external dust, moisture, and other impurities from entering through the regular contact surface between the cap and the box, ensuring the cleanliness and dryness of the contents. The second sealing structure, formed by the second sealing strip and the second sealing groove near the hinge element, strengthens the sealing of the relatively weak hinge area, preventing leakage and further improving overall sealing performance. This enhances the protective function of the blister cap for the contents, maintaining a suitable storage environment and extending the shelf life of items, whether storing food, medicine, or other environmentally sensitive products. Attached Figure Description

[0017] Figure 1 This is a perspective view of the double-layer sealing blister cap based on the elastic latch of this utility model;

[0018] Figure 2 This is a top view of the double-layer sealing blister cap based on the elastic latch of this utility model.

[0019] Explanation of reference numerals in the attached drawings: 10 for the lid, 11 for the first sealing strip, and 12 for the second sealing strip;

[0020] Box body 20, first sealing groove 21, second sealing groove 22, notch 23;

[0021] Locking assembly 30, hinge element 31, hinge seat 311, hinge shaft 312, snap-fit ​​element 32, snap-fit ​​block 321, snap-fit ​​seat 322, snap-fit ​​chamfer 323, snap-fit ​​groove 324. Detailed Implementation

[0022] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. Preferred embodiments of this utility model are shown in the drawings. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this utility model.

[0023] It should be noted that when a component is said to be "fixed to" another component, it can be directly attached to the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

[0025] like Figures 1-2As shown in the embodiment of this utility model, a double-layer sealed blister cover based on an elastic latch includes: a lid 10, a box body 20, and a latch assembly 30. The latch assembly 30 is disposed between the lid 10 and the box body 20. The latch assembly 30 includes a hinge element 31 and a snap-fit ​​element 32, which are disposed opposite to each other on both sides of the box body 20. One end of the lid 10 is movably disposed on the hinge element 31. A first sealing strip 11 is provided on the inner wall of the lid 10. A second sealing strip 12 is provided on the lid 10 near the hinge element 31. A first sealing groove 21 is provided on the box body 20 relative to the first sealing strip 11. A second sealing groove 22 is provided on the box body 20 near the hinge element 31. The first sealing strip 11 and the first sealing groove 21 cooperate to form a first sealing structure, and the second sealing strip 12 and the second sealing groove 22 cooperate to form a second sealing structure. In this embodiment, by setting a locking assembly 30 and placing the hinge element 31 and the snap-fit ​​element 32 opposite to each other on both sides of the box body 20, the lid 10 can be flexibly opened and closed with the hinge element 31 and securely fastened to the box body 20 with the snap-fit ​​element 32, making operation convenient and connection tight. In terms of sealing, the first sealing strip 11 on the inner wall and the corresponding first sealing groove 21 of the box body 20 cooperate to form a first sealing structure, effectively preventing external dust, moisture and other impurities from entering from the conventional contact surface between the lid 10 and the box body 20, ensuring the cleanliness and dryness of the internal items. The second sealing structure formed by the second sealing strip 12 and the second sealing groove 22 near the hinge element 31 focuses on strengthening the sealing of the relatively weak link of the hinge part of the lid 10, avoiding leakage and further improving the overall sealing performance. It enhances the protective effect of the blister lid on the items inside the box body 20. Whether storing food, medicine or other items with high environmental requirements, it can maintain a suitable storage environment with its good sealing performance and extend the shelf life of the items.

[0026] The lid 10 and the hinge element 31 are integrally injection molded. In this embodiment, the lid 10 and the hinge element 31 are tightly and securely connected by integral injection molding.

[0027] like Figures 1 to 2 As shown, the hinge element 31 includes a hinge seat 311, and a hinge shaft 312 is disposed near the lid 10. The hinge shaft 312 drives the lid 10 to perform hinged movements along the hinge seat 311. In this embodiment, the hinge seat 311 with the hinge shaft 312 enables the lid 10 to rely on the hinge seat 311 and achieve smooth hinged movements with the hinge shaft 312, ensuring that the lid 10 moves stably and flexibly during opening and closing, and can rotate precisely along a set trajectory.

[0028] The hinge seat 311 has an arc surface facing the lid 10, and the hinge shaft 312 is L-shaped. In this embodiment, the arc surface of the hinge seat 311 facing the lid 10 makes the contact between the lid 10 and the hinge seat 311 smoother and more fluid during the opening and closing of the lid, reducing frictional resistance and facilitating easy and stable opening and closing of the lid 10. The L-shaped hinge shaft 312 provides a more stable connection and support, enhancing the firmness of the connection between the lid 10 and the box body 20 at the hinge. It can better withstand frequent opening and closing actions in daily use, reducing the possibility of the sealing performance being affected by loosening or damage at the hinge, and further ensuring the overall sealing and reliability of the double-layer sealed blister cover.

[0029] The housing 20 has a notch 23 near the snap-fit ​​element 32, and the inner walls of the notch 23 are curved on both sides. In this embodiment, the notch 23 provides convenient space for the installation and operation of the snap-fit ​​element 32, allowing the snap-fit ​​to engage more accurately and smoothly when it is used with other components, thus reducing the difficulty of installation. The curved inner walls can effectively reduce the frictional resistance that may be generated during the engagement process, avoiding wear of components or poor engagement due to excessive friction.

[0030] The snap-fit ​​element 32 includes a snap-fit ​​block 321 and a snap-fit ​​seat 322. The snap-fit ​​block 321 is disposed on the lid 10, and the snap-fit ​​seat 322 is disposed on the notch 23. The snap-fit ​​block 321 and the snap-fit ​​seat 322 cooperate to fasten the lid 10 onto the box body 20. In this embodiment, by setting the snap-fit ​​seat 322 on the notch 23, a convenient and stable fastening between the lid 10 and the box body 20 is achieved. This ensures that the lid 10 can be accurately fastened onto the box body 20, effectively guaranteeing the integrity of the overall structure of the double-layer sealed blister lid and preventing the lid 10 from accidentally falling off during transportation, storage, or use.

[0031] One end of the snap-fit ​​block 321 is provided with a snap-fit ​​chamfer 323, and the outer wall of the snap-fit ​​seat 322 is provided with a snap-fit ​​groove 324. The snap-fit ​​chamfer 323 and the snap-fit ​​groove 324 cooperate to lock the lid 10 and the box body 20 together. In this embodiment, by providing a snap-fit ​​chamfer 323 at one end of the snap-fit ​​block 321 and a corresponding snap-fit ​​groove 324 on the outer wall of the snap-fit ​​seat 322, a convenient and effective locking between the lid 10 and the box body 20 is achieved. When the lid 10 is closed, the snap-fit ​​chamfer 323 can smoothly insert into the snap-fit ​​groove 324, accurately positioning and forming a tight connection. This ensures that the double-layer sealed blister lid maintains a good closed state during use, effectively preventing accidental spillage of internal items or entry of external impurities, providing reliable sealing protection for the packaged items, and improving the stability and safety of the packaging.

[0032] The first sealing strip 11 is annular. In this embodiment, the annular design of the first sealing strip 11 allows it to fit completely and tightly against the corresponding part of the blister cap, forming a continuous and uninterrupted sealing barrier. When used with the elastic buckle, it can effectively prevent external air, moisture and other impurities from entering the packaging from all angles, greatly improving the integrity and reliability of the seal.

[0033] Two sets of second sealing strips 12 are provided, with the two sets of second sealing strips 12 arranged opposite to each other. The second sealing strips 12 are strip-shaped. In this embodiment, the oppositely arranged strip-shaped second sealing strips 12 can simultaneously perform a sealing function from two opposite directions; effectively filling any possible sealing gaps, greatly enhancing the comprehensiveness and reliability of the seal, preventing external air, moisture and other impurities from easily entering the sealed area, and providing a better protective environment for the internal items.

[0034] A double-layer sealed blister cap based on an elastic latch includes: a lid 10, a box body 20, and a latch assembly 30. The latch assembly 30 is disposed between the lid 10 and the box body 20. The latch assembly 30 includes a hinge element 31 and a snap-fit ​​element 32, which are disposed opposite to each other on both sides of the box body 20. One end of the lid 10 is movably disposed on the hinge element 31. A first sealing strip 11 is provided on the inner wall of the lid 10. A second sealing strip 12 is provided on the lid 10 near the hinge element 31. A first sealing groove 21 is provided on the box body 20 relative to the first sealing strip 11. A second sealing groove 22 is provided on the box body 20 near the hinge element 31. The first sealing strip 11 and the first sealing groove 21 cooperate to form a first sealing structure, and the second sealing strip 12 and the second sealing groove 22 cooperate to form a second sealing structure. In this embodiment, by setting a locking assembly 30 and placing the hinge element 31 and the snap-fit ​​element 32 opposite to each other on both sides of the box body 20, the lid 10 can be flexibly opened and closed with the hinge element 31 and securely fastened to the box body 20 with the snap-fit ​​element 32, making operation convenient and connection tight. In terms of sealing, the first sealing strip 11 on the inner wall and the corresponding first sealing groove 21 of the box body 20 cooperate to form a first sealing structure, effectively preventing external dust, moisture and other impurities from entering from the conventional contact surface between the lid 10 and the box body 20, ensuring the cleanliness and dryness of the internal items. The second sealing structure formed by the second sealing strip 12 and the second sealing groove 22 near the hinge element 31 focuses on strengthening the sealing of the relatively weak link of the hinge part of the lid 10, avoiding leakage and further improving the overall sealing performance. It enhances the protective effect of the blister lid on the items inside the box body 20. Whether storing food, medicine or other items with high environmental requirements, it can maintain a suitable storage environment with its good sealing performance and extend the shelf life of the items.

[0035] The above embodiments only illustrate several implementation methods of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A dual seal blister lid based on elastic catch, characterized in that, include: The box includes a lid, a box body, and a locking assembly, wherein the locking assembly is disposed between the lid and the box body; the locking assembly includes a hinge element and a snap-fit ​​element, which are disposed opposite to each other on both sides of the box body, and one end of the lid is movably disposed on the hinge element; A first sealing strip is provided on the inner wall of the box cover, and a second sealing strip is provided on the box cover near the hinge element. A first sealing groove is provided on the box body relative to the first sealing strip, and a second sealing groove is provided on the box body near the hinge element. The first sealing strip and the first sealing groove cooperate to form a first sealing structure, and the second sealing strip and the second sealing groove cooperate to form a second sealing structure.

2. The dual seal blister lid based on elastic lock based according to claim 1, characterized in that: The lid and the hinge element are integrally injection molded.

3. The dual seal blister lid based on elastic lock based according to claim 2, characterized in that: The hinge element includes a hinge base, and a hinge shaft is provided near the lid of the box. The hinge shaft drives the lid to perform hinged movement along the hinge base.

4. The dual seal blister lid based on elastic lock based according to claim 3, characterized in that: The hinge seat is curved towards the box cover, and the hinge shaft is L-shaped.

5. The elastic snap-based dual-seal blister lid of claim 1, wherein: The box body has a notch near the buckle element, and the inner walls of the notch are curved on both sides.

6. The elastic snap-based dual-seal blister lid of claim 5, wherein: The latching element includes a latching block and a latching seat. The latching block is disposed on the lid, and the latching seat is disposed on the notch. The latching block and the latching seat cooperate to fasten the lid onto the box body.

7. The dual seal blister lid based on elastic lock based according to claim 6, characterized in that: One end of the snap-fit ​​block is provided with a snap-fit ​​chamfer, and the outer wall of the snap-fit ​​seat is provided with a snap-fit ​​groove. The snap-fit ​​chamfer and the snap-fit ​​groove cooperate to lock the lid and the box body together.

8. The elastic snap-based dual-seal blister lid of claim 1, wherein: The first sealing strip is ring-shaped.

9. The elastic snap-based dual-seal blister lid of claim 8, wherein: The second sealing strip is provided in two sets, with the two sets of the second sealing strip arranged opposite to each other, and the second sealing strip is strip-shaped.

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