Dustproof blister pack with magnetic sealing structure

Abstract

This utility model relates to the field of thermoforming product technology, specifically a dustproof thermoforming cover based on a magnetic sealing structure, comprising: a cover shell, a positioning element, a sealing element, and a snap-fit ​​element; the cover shell has a snap-fit ​​baffle, the positioning element is located on the snap-fit ​​baffle, and the sealing element is located near the positioning element on the inner side of the snap-fit ​​baffle; the positioning element has a positioning hole and a positioning protrusion; the sealing element has a sealing groove and a sealing strip, the sealing strip being located in the sealing groove; the snap-fit ​​elements are located at both ends of the cover shell for fastening the cover shell to the packaging board, and the sealing strip abuts against the packaging board to form a sealing structure; the snap-fit ​​baffle and the positioning element cooperate to ensure accurate positioning; the sealing strip and the packaging board are tightly fitted to form an airtight barrier; and the double fixing of the snap-fit ​​element ensures that the cover shell and the packaging board are firmly fastened; through the synergistic effect of magnetic attraction, snap-fit, and sealing, while ensuring convenient disassembly and assembly, a stable sealing and dustproof function is achieved, making it highly practical.

Description

Technical Field

[0001] This utility model relates to the field of thermoforming product technology, specifically a dustproof thermoforming cover based on a magnetic sealing structure. Background Technology

[0002] Vacuum forming is a plastic processing technique. The main principle is to heat a flat, rigid plastic sheet until it softens, then vacuum-adhere it to the surface of a mold, and finally cool it to form the desired shape. It is widely used in plastic packaging, lighting, advertising, decoration and other industries. The cover-shaped packaging made using vacuum forming is called a vacuum cover.

[0003] Existing packaging boards and blister packs tend to leave gaps during the closing process, which can affect the protective effect of the blister pack during transportation. They are not convenient for protecting the product, have a short service life, poor safety, and are not conducive to development. Utility Model Content

[0004] To address the aforementioned issues, this utility model provides a dustproof blister cover based on a magnetic sealing structure. This solves the problems of existing blister boxes, which easily leave gaps during the closing process, affecting the protective effect of the blister box during transportation, making it inconvenient to protect the product, and having a short service life, poor safety, and hindering development.

[0005] The technical solution adopted by this utility model is as follows: it includes a cover, a positioning element, a sealing element, and a snap-fit ​​element; a snap-fit ​​baffle is provided at the edge of the cover, the positioning element is provided on the snap-fit ​​baffle, and the sealing element is provided on the inner side of the snap-fit ​​baffle near the positioning element; a positioning hole is provided on the side of the positioning element near the sealing element, and a positioning protrusion is provided in the positioning hole, the positioning protrusion being used to position the cover towards the packaging board; a sealing groove is provided on the inner wall surface of the sealing element near the snap-fit ​​baffle, and a sealing strip is provided on the sealing element near the sealing groove, the sealing strip being provided in the sealing groove; the snap-fit ​​element is provided at both ends of the cover near the sealing strip; the snap-fit ​​element is used for the cover to snap-fit ​​and install with the packaging board, and abuts against the packaging board through the sealing strip to form a sealing structure.

[0006] A further improvement to the above solution is that a protective edge strip is provided on the cover near the fastening baffle, and the protective edge strip is used to protect the corners between the cover and the fastening baffle.

[0007] A further improvement to the above solution is that the positioning element is provided in two sets, and the two sets of positioning elements are arranged opposite to each other on both sides of the fastening baffle. The positioning element is used to position the cover on both sides facing the packaging plate so that the snap-fit ​​element fastens the cover to the packaging plate, and the sealing element forms a sealing structure between the cover and the packaging plate.

[0008] A further improvement to the above solution is that multiple positioning protrusions are provided, and the multiple positioning protrusions are arranged opposite to each other on the fastening baffle, and the edges of the positioning protrusions are arc-shaped.

[0009] A further improvement to the above solution is that the surface of the positioning protrusion is coated with magnetic material, and the positioning protrusion moves towards the packaging plate to magnetically position the cover.

[0010] A further improvement to the above scheme is that the inner walls of the sealing groove are inclined surfaces on both sides.

[0011] A further improvement to the above solution is that the sealing groove is concave and the sealing strip is convex.

[0012] A further improvement to the above solution is that the sealing strip is a sealing rubber strip.

[0013] A further improvement to the above solution is that one end of the latching element is provided with a latching block, and the latching block is disposed on the inner wall of the latching baffle.

[0014] A further improvement to the above solution is that one end of the card block is chamfered, and one end of the buckle element can be embedded into the packaging board and engaged through the card block.

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

[0016] Compared to existing blister packs, this utility model's packing body uses a snap-fit ​​baffle along the edge of the packing shell in conjunction with positioning elements to ensure precise positioning during installation; the sealing strip inside the sealing groove fits tightly against the packaging board, forming a reliable airtight barrier; the double-fixing design of the snap-fit ​​elements ensures a firm fit between the packing shell and the packaging board, while the elastic contact of the sealing strip further enhances the sealing performance; through the synergistic effect of magnetic attraction, snap-fit, and sealing, it achieves stable sealing and dustproof functions while ensuring convenient disassembly and assembly, making it easy to install, compact in structure, and highly practical. Attached Figure Description

[0017] Figure 1 This is a perspective view of the dustproof blister cover based on the magnetic sealing structure of this utility model;

[0018] Figure 2 This is a bottom view of the dustproof blister cover based on the magnetic sealing structure of this utility model.

[0019] Explanation of reference numerals in the attached drawings: 10 for the cover, 11 for the fastening baffle, and 12 for the protective edge strip;

[0020] Positioning element 20, positioning hole 21, positioning protrusion 22;

[0021] Sealing element 30, sealing groove 31, sealing strip 32;

[0022] 40, snap-fit ​​element; 41, snap-fit ​​block. Detailed Implementation

[0023] 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.

[0024] 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.

[0025] 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.

[0026] like Figures 1-2As shown in the embodiment of this utility model, a dustproof blister cover based on a magnetic sealing structure includes: a cover shell 10, a positioning element 20, a sealing element 30, and a snap-fit ​​element 40; a snap-fit ​​baffle 11 is provided at the edge of the cover shell 10, the positioning element 20 is disposed on the snap-fit ​​baffle 11, and the sealing element 30 is disposed on the inner side of the snap-fit ​​baffle 11 near the positioning element 20; a positioning hole 21 is provided on the side of the positioning element 20 near the sealing element 30, and a positioning protrusion 2 is provided in the positioning hole 21. 2. The positioning protrusion 22 is used to position the cover 10 toward the packaging board; the sealing element 30 is provided with a sealing groove 31 on the inner wall surface near the fastening baffle 11, and a sealing strip 32 is provided in the sealing element 30 near the sealing groove 31; the fastening element 40 is provided at both ends of the cover 10 near the sealing strip 32; the fastening element 40 is used to fasten the cover 10 to the packaging board and abuts against the packaging board through the sealing strip 32 to form a sealing mechanism. In this embodiment, the snap-fit ​​baffle 11 provided on the edge of the cover 10 cooperates with the positioning element 20 to ensure accurate positioning during installation; the sealing strip 32 in the sealing groove 31 fits tightly with the packaging plate to form a reliable airtight barrier; the double fixing design of the snap-fit ​​element 40 makes the cover 10 and the packaging plate firmly snapped together, while the elastic abutment of the sealing strip 32 further enhances the sealing performance; through the synergistic effect of magnetic attraction, snap-fit ​​and sealing, while ensuring convenient disassembly and assembly, a stable sealing and dustproof function is achieved, which is convenient to install, compact in structure and highly practical.

[0027] like Figure 1 As shown, a protective edge strip 12 is provided on the cover 10 near the fastening baffle 11. The protective edge strip 12 is used to protect the corners between the cover 10 and the fastening baffle 11. In this embodiment, by providing the protective edge strip 12 near the fastening baffle 11 on the cover 10, effective protection of the corners at the joint between the two is achieved; mechanical wear caused by direct contact between the cover 10 and the fastening baffle 11 is avoided, thus extending the product's service life and sealing performance.

[0028] Two sets of positioning elements 20 are provided, and the two sets of positioning elements 20 are arranged opposite each other on both sides of the fastening baffle 11. The positioning elements 20 are used to position the cover 10 on both sides facing the packaging plate, so that the snap-fit ​​element fastens the cover 10 to the packaging plate, and the sealing element 30 forms a sealing structure between the cover 10 and the packaging plate. In this embodiment, the precise positioning of the cover 10 is achieved by two sets of symmetrically arranged positioning elements 20; the positioning elements 20 are respectively arranged on both sides of the fastening baffle 11, which effectively restricts the lateral displacement of the cover 10 on the packaging plate and ensures that the assembly position of the cover 10 and the packaging plate is accurate.

[0029] like Figure 2 As shown, multiple positioning protrusions 22 are provided, and the multiple positioning protrusions 22 are arranged opposite to each other on the fastening baffle 11. The edges of the positioning protrusions 22 are arc-shaped. In this embodiment, the symmetrical arrangement of multiple positioning protrusions 22 significantly improves the positioning accuracy and assembly stability of the blister pack; and the arc-shaped edge design effectively reduces the frictional resistance during assembly, making the fastening action smoother, while avoiding the component wear problems that may be caused by traditional right-angle protrusions.

[0030] The surface of the positioning protrusion 22 is coated with magnetic material. The positioning protrusion 22, when facing the packaging plate, magnetically attracts and positions the cover 10. In this embodiment, by using magnetic material on the surface of the positioning protrusion 22, rapid and accurate positioning between the cover 10 and the packaging plate is achieved. When the cover 10 approaches the packaging plate, the magnetic material and the packaging plate are magnetically attracted, causing the positioning protrusion 22 to automatically adhere to the preset position, ensuring both secure positioning and easy disassembly and maintenance later.

[0031] The inner walls of the sealing groove 31 are sloped on both sides. In this embodiment, the sloped structure allows the blister pack to gradually fit into the sealing groove 31 when closed via the sealing strip 32, effectively reducing assembly gaps.

[0032] The sealing groove 31 is concave, and the sealing strip 32 is convex. In this embodiment, through...

[0033] The sealing strip 32 is a sealing strip. In this embodiment, the excellent dustproof effect is achieved through the cooperative design of the concave sealing groove 31 and the convex sealing strip 32. When the blister pack is closed, the convex sealing strip 32 is precisely embedded in the concave sealing groove 31, forming multiple physical barrier layers, which effectively prevent the intrusion of external dust particles.

[0034] One end of the snap-fit ​​element 40 is provided with a snap-fit ​​block 41, which is disposed on the inner wall of the snap-fit ​​baffle 11. In this embodiment, by setting the snap-fit ​​element 40 with the snap-fit ​​block 41 on the inner wall of the snap-fit ​​baffle 11, a stable fit with the magnetic sealing structure is achieved, ensuring the tightness of the blister pack when closed.

[0035] One end of the locking block 41 is chamfered, and one end of the latching element 40 can be embedded into the packaging board and engaged by the locking block 41. In this embodiment, the chamfered structure at one end of the locking block 41 facilitates the smooth embedding of the latching element 40 into the packaging board, and the two together form a self-locking engagement, effectively preventing the components from loosening.

[0036] A dustproof blister pack based on a magnetic sealing structure includes: a cover 10, a positioning element 20, a sealing element 30, and a snap-fit ​​element 40; a snap-fit ​​baffle 11 is provided at the edge of the cover 10, the positioning element 20 is disposed on the snap-fit ​​baffle 11, and the sealing element 30 is disposed on the inner side of the snap-fit ​​baffle 11 near the positioning element 20; a positioning hole 21 is provided on the side of the positioning element 20 near the sealing element 30, and a positioning protrusion 22 is provided in the positioning hole 21. Block 22 is used to position the cover 10 toward the packaging board; the sealing element 30 is provided with a sealing groove 31 on the inner wall near the fastening baffle 11, and a sealing strip 32 is provided in the sealing element 30 near the sealing groove 31, and the sealing strip 32 is provided in the sealing groove 31; the snap-fit ​​element 40 is provided at both ends of the cover 10 near the sealing strip 32; the snap-fit ​​element 40 is used to fasten the cover 10 to the packaging board and abuts against the packaging board through the sealing strip 32 to form a sealing mechanism. In this embodiment, the snap-fit ​​baffle 11 provided on the edge of the cover 10 cooperates with the positioning element 20 to ensure accurate positioning during installation; the sealing strip 32 in the sealing groove 31 fits tightly with the packaging plate to form a reliable airtight barrier; the double fixing design of the snap-fit ​​element 40 makes the cover 10 and the packaging plate firmly snapped together, while the elastic abutment of the sealing strip 32 further enhances the sealing performance; through the synergistic effect of magnetic attraction, snap-fit ​​and sealing, while ensuring convenient disassembly and assembly, a stable sealing and dustproof function is achieved, which is convenient to install, compact in structure and highly practical.

[0037] 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 dustproof blister pack based on a magnetic sealing structure, characterized in that, include: The enclosure comprises a housing, a positioning element, a sealing element, and a snap-fit ​​element. A snap-fit ​​baffle is provided along the edge of the housing. The positioning element is disposed on the snap-fit ​​baffle, and the sealing element is disposed on the inner side of the snap-fit ​​baffle near the positioning element. A positioning hole is provided on the side of the positioning element near the sealing element, and a positioning protrusion is provided within the positioning hole for positioning the housing towards the packaging board. A sealing groove is provided on the inner wall of the sealing element near the snap-fit ​​baffle, and a sealing strip is provided within the sealing groove. The snap-fit ​​element is disposed at both ends of the housing near the sealing strip. The snap-fit ​​element is used for snapping the housing to the packaging board and abuts against the packaging board through the sealing strip to form a sealed structure.

2. The dustproof blister pack based on a magnetic sealing structure according to claim 1, characterized in that: The cover is provided with a protective edge strip near the fastening baffle, and the protective edge strip is used to protect the corners between the cover and the fastening baffle.

3. The dustproof blister pack based on a magnetic sealing structure according to claim 1, characterized in that: The positioning elements are provided in two sets, which are arranged opposite to each other on both sides of the fastening baffle. The positioning elements are used to position the cover on both sides facing the packaging plate so that the buckling element fastens the cover to the packaging plate and the sealing element forms a sealing structure between the cover and the packaging plate.

4. The dustproof blister pack based on a magnetic sealing structure according to claim 3, characterized in that: Multiple positioning protrusions are provided, and the multiple positioning protrusions are arranged opposite to each other on the fastening baffle. The edges of the positioning protrusions are arc-shaped.

5. The dustproof blister pack based on a magnetic sealing structure according to claim 4, characterized in that: The surface of the positioning protrusion is coated with magnetic material, and the positioning protrusion moves the cover to be magnetically positioned when it faces the packaging plate.

6. The dustproof blister pack based on a magnetic sealing structure according to claim 1, characterized in that: The inner walls of the sealing groove are sloped on both sides.

7. The dustproof blister pack based on a magnetic sealing structure according to claim 6, characterized in that: The sealing groove is concave, and the sealing strip is convex.

8. The dustproof blister pack based on a magnetic sealing structure according to claim 7, characterized in that: The sealing strip is a sealing rubber strip.

9. The dustproof blister pack based on a magnetic sealing structure according to claim 1, characterized in that: One end of the latching element is provided with a latching block, which is disposed on the inner wall of the latching baffle.

10. The dustproof blister pack based on a magnetic sealing structure according to claim 9, characterized in that: One end of the card block is chamfered, and one end of the buckle element can be embedded into the packaging board and engaged by the card block.

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