Sealing cover with anti-theft structure and packaging tin with sealing cover
By setting up an anti-theft structure on both sides of the buckle of the sealing cover and setting easy-to-tear edges on the anti-theft tearing sheet, the problem of removing the anti-theft tearing sheet affecting the opening structure of the flip cover is solved, making it easier to operate and higher sealing.
Patent Information
- Application Number
- CN202421081236.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-05-17
AI Technical Summary
In the prior art, the removal of anti-theft tear sheet will affect the feel and aesthetics of the flip opening structure, and the size of the hand-tearing force point is small and difficult to operate, which can easily lead to structural damage during transportation.
A sealing cover with an anti-theft structure was designed. The anti-theft structure was set on both sides of the snapping buckle. The left and right sides of the anti-theft tear blade were connected to the cover body through easily broken connecting ribs, and an easy-to-tear edge tilted outwards was provided. The anti-theft structure was Located in the inner recesses formed by the upper and lower covers.
The anti-theft tear blade is avoided to remove the impact of the snap structure, increase the stress area and make the operation easier, prevent the anti-theft tear blade from hanging up and falling off during transportation, and improve the overall performance of the sealing cover.
Smart Images

Figure CN222523243U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a sealing cover and a packaging can, in particular to a sealing cover with an anti-theft structure and a packaging can with the sealing cover. Background Art
[0002] In order to ensure that the packaging can has not been opened before formal use, the sealing cover of the packaging can is often provided with an anti-theft structure that cannot be restored once opened.
[0003] A Chinese utility model patent with authorization announcement number CN21263849U discloses a container cover with a tool nest inside, including a flip cover, the flip cover is connected to a connecting piece fixedly connected to the container, and an anti-theft tear sheet that cannot be restored once opened is arranged between the flip cover and the connecting piece. A limiting protrusion is arranged on the inner side of the anti-theft tear sheet to prevent the flip cover from opening. Before the flip cover is opened, the edge of the anti-theft tear sheet is connected to the connecting piece through six connecting points, and the anti-theft tear sheet extends upward and has two hand-tear force points. When the flip cover needs to be opened, the six connecting points of the anti-theft tear sheet are disconnected from the connecting piece through the hand-tear force points, the anti-theft tear sheet is torn off, and the limiting protrusion that prevents the flip cover from opening is released, so that the flip cover can be opened, and the anti-theft tear sheet cannot be restored at this time.
[0004] Although the above-mentioned anti-theft structure can play an anti-theft effect, it also has defects: first, the anti-theft tear sheet covers the opening structure of the flip cover, and the removal of the anti-theft tear sheet will affect the feel and aesthetics of the flip cover opening structure; secondly, the hand-tear force point on the anti-theft tear sheet is small in size, difficult to apply force, and not easy to operate; and the upward protruding hand-tear force point is prone to hanging and falling off during transportation, causing damage to the structure. Utility Model Content
[0005] In order to solve the above-mentioned deficiencies in the prior art, the utility model aims to provide a sealing cover with an anti-theft structure and a packaging can with a sealing cover, so as to prevent the removal of the anti-theft tear sheet from affecting the flip-opening structure, and at the same time make the anti-theft tear sheet easy to remove and avoid structural damage caused by transportation.
[0006] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: a sealing cover with an anti-theft structure, comprising a lower cover for fixed connection with a tank body, and an upper cover buckled on the lower cover, a buckle for easy opening is arranged between the upper cover and the lower cover, and an anti-theft structure is also arranged between the upper cover and the lower cover, the anti-theft structure is arranged on both sides of the buckle, the anti-theft structure comprises an anti-theft tear sheet, the left and right sides of the anti-theft tear sheet are connected to one of the upper cover or the lower cover through easily broken connecting ribs, and a limiting part adapted to the anti-theft tear sheet is arranged on the other cover; the upper end or the lower end of the anti-theft tear sheet is inclined radially outward of the sealing cover to form an easy-to-tear edge; the upper cover and the lower cover located at the anti-theft structure are adapted to have an inner recessed portion, so that the anti-theft tear sheet and the easy-to-tear edge are both located in the inner recessed portion.
[0007] As a limitation of the present invention: the limiting portion is a limiting protrusion that is adapted to the thickness of the anti-theft tear sheet.
[0008] As a limitation of the present utility model: the left and right sides of the anti-theft tear piece are connected to the lower cover by easily broken connecting ribs, and the lower end of the upper cover is provided with a limiting protrusion adapted to the anti-theft tear piece, so that the upper end of the limiting protrusion is abutted against the lower end of the anti-theft tear piece, and the upper end of the anti-theft tear piece is inclined radially outward from the sealing cover to form an easily tearable edge.
[0009] As a limitation of the present invention: two easily breakable connecting ribs are respectively arranged on the left and right sides of the anti-theft tear sheet.
[0010] The utility model also discloses a packaging can with a sealing cover, comprising a can body and the above-mentioned sealing cover with an anti-theft structure, wherein an inner wall of the lower cover facing one end of the can body is provided with a concave sealing arc, and an outer wall of the can body facing one end of the lower cover is provided with a convex arc that is compatible with the sealing arc and convex outwards.
[0011] Due to the adoption of the above technical solution, the utility model has the following beneficial effects compared with the prior art:
[0012] (1) The sealing cover of the utility model has improved the anti-theft structure; firstly, the anti-theft structure is arranged on both sides of the buckle, so that the anti-theft structure is separated from the buckle, and whether the anti-theft tear sheet is torn off will not affect the structure of the buckle; secondly, an outward-inclined easy-tear edge is arranged on the anti-theft tear sheet, so that the point force is changed into a line force, the force bearing area is increased, and the operation is easy; and the anti-theft structure is arranged in the concave part formed by the upper cover and the lower cover, and the anti-theft tear sheet is flush with the edge of the sealing cover or even slightly concave inward, so that the anti-theft tear sheet is prevented from hanging and falling off during transportation;
[0013] (2) The packaging can of the utility model has improved the can body structure by changing the original assembly method of the arc surface and the plane interference fit between the lower cover and the can body to an assembly method of arc surface and arc surface through structural bonding. The sealing bonding area has increased by 10% and the overall sealing of the product has improved by 2%.
[0014] To sum up, the utility model avoids the influence of the anti-theft tear sheet on the buckle structure, is easier to operate, and also avoids the anti-theft tear sheet from getting hung up and falling off during transportation. The sealing cover of the utility model is suitable for sealing containers that require anti-theft functions, and the packaging can with a sealing cover of the utility model is suitable for storing contents that require anti-theft and sealing functions. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The present invention is described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0016] Figure 1This is a schematic diagram of the three-dimensional structure of Example 1 of the utility model;
[0017] Figure 2 for Figure 1 The enlarged schematic diagram of the middle A part;
[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of the upper cover in Embodiment 1 of the present utility model;
[0019] Figure 4 for Figure 3 The enlarged schematic diagram of the middle B part;
[0020] Figure 5 This is a schematic diagram of the internal structure of Embodiment 2 of the present utility model;
[0021] Figure 6 for Figure 5 Enlarged schematic diagram of part C in the middle.
[0022] In the figure: 1-lower cover, 2-upper cover, 3-buckle, 4-anti-theft tear sheet, 5-connecting rib, 6-limiting protrusion, 7-easy tear edge, 8-inner concave part, 9-can body, 10-sealing arc, 11-convex arc. DETAILED DESCRIPTION
[0023] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the sealing cover with anti-theft structure and the packaging can with the sealing cover described herein are preferred embodiments, which are only used to illustrate and explain the present invention and do not constitute a limitation on the present invention.
[0024] The directional terms or positional relationships such as "up", "down", "left" and "right" described in the present invention are based on the directional relationships in the drawings of the present invention specification and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the content protected by the present invention.
[0025] Example 1
[0026] In this embodiment, Figure 1 , Figure 2 As shown, a sealing cover with an anti-theft structure includes a lower cover 1 for fixedly connecting to the can body, and an upper cover 2 buckled on the lower cover 1, a flip cover connecting part connecting the upper cover 2 and the lower cover 1 is provided between the upper cover 2 and the lower cover 1, and a buckle 3 is provided at the end opposite to the flip cover connecting part for facilitating the upper cover 2 to flip open and thus open the can body.
[0027] An anti-theft structure is also provided between the upper cover 2 and the lower cover 1. Specifically, two anti-theft structures are provided, which are respectively provided on both sides of the buckle 3. The anti-theft structure includes an anti-theft tear sheet 4. The left and right sides of the anti-theft tear sheet 4 are connected to the lower cover 1 through two easily broken connecting ribs 5. A connecting ear is extended from the lower end of the upper cover 2. A limiting protrusion 6 matching the thickness of the anti-theft tear sheet 4 is integrally provided at the lower end of the connecting ear, so that the upper end of the limiting protrusion 6 is against the lower end of the anti-theft tear sheet 4, and the upper end of the anti-theft tear sheet 4 is inclined radially outward of the sealing cover to form an easy-tear edge 7. The upper cover 2 and the lower cover 1 at the anti-theft structure are adapted to have an inner concave portion 8, so that the anti-theft tear sheet 4 and the easy-tear edge 7 are both located in the inner concave portion 8, that is, the tilted and raised side of the anti-theft tear sheet 4 is flush with the edge of the sealing cover, or even slightly recessed in the inner concave portion 8, thereby avoiding structural damage during transportation. At the same time, since the tilted and raised side of the anti-theft tear sheet 4 protrudes in the inner concave portion 8, it is convenient to tear off the anti-theft tear sheet 4. The inner recess 8 covered by the anti-theft tear sheet 4 may be provided with a word prompt of "opened", and when the anti-theft tear sheet 4 is removed, it prompts the user that the sealing cover has been opened. It should be noted that the number and position of the connecting ribs 5 can be changed according to the actual size and setting position of the anti-theft sheet; the limiting protrusion 6 can also be replaced with other anti-theft structures compatible with the anti-theft sheet in the prior art; the anti-theft tear sheet 4 can also be provided on the upper cover 2, and the corresponding anti-theft structure is provided on the lower cover 1, and the easy-tear edge 7 is provided at the lower end of the anti-theft tear sheet 4.
[0028] When using this embodiment, the lower cover 1 is always fixedly connected to the can body. The tilted and raised tear edge 7 of the anti-theft tear sheet 4 is torn off to disconnect the easily broken connecting rib 5, and the upper cover 2 can be opened through the buckle 3. The anti-theft tear sheet 4 cannot be installed again after being torn off.
[0029] Example 2
[0030] In this embodiment, Figure 3 As shown, a packaging can with a sealing cover comprises a can body 9 and the sealing cover with the anti-theft structure in Example 1.
[0031] The tank body 9 is fixedly connected to a sealing cover having an anti-theft structure. Figure 6 As shown, the inner wall of the lower cover 1 at one end facing the can body 9 is provided with a concave sealing arc 10, and the outer wall of the can body 9 at one end facing the lower cover 1 is provided with a convex arc 11 convex outward and adapted to the sealing arc 10. The fitting area is increased by the fitting arc structure, thereby improving the sealing performance of the packaging can.
Claims
1. A sealing cover with an anti-theft structure, comprising a lower cover for fixed connection with a can body, and an upper cover buckled on the lower cover, a buckle for easy opening is provided between the upper cover and the lower cover, and an anti-theft structure is also provided between the upper cover and the lower cover, characterized in that: The anti-theft structure is arranged on both sides of the buckle, and the anti-theft structure includes an anti-theft tear sheet. The left and right sides of the anti-theft tear sheet are connected to one of the upper cover or the lower cover through easily broken connecting ribs, and a limiting part adapted to the anti-theft tear sheet is arranged on the other cover; the upper end or the lower end of the anti-theft tear sheet is inclined radially outward of the sealing cover to form an easy-to-tear edge; the upper cover and the lower cover located at the anti-theft structure are adapted to have an inner recess, so that the anti-theft tear sheet and the easy-to-tear edge are both located in the inner recess.
2. The sealing cover with anti-theft structure according to claim 1, characterized in that: The limiting portion is a limiting protrusion matched with the thickness of the anti-theft tear sheet.
3. The sealing cover with anti-theft structure according to claim 2, characterized in that: The left and right sides of the anti-theft tear sheet are connected to the lower cover through easily broken connecting ribs. A limiting protrusion adapted to the anti-theft tear sheet is provided at the lower end of the upper cover, so that the upper end of the limiting protrusion is against the lower end of the anti-theft tear sheet, and the upper end of the anti-theft tear sheet is inclined radially outward from the sealing cover to form an easy-to-tear edge.
4. The sealing cover with anti-theft structure according to any one of claims 1 to 3, characterized in that: Two easily breakable connecting ribs are respectively arranged on the left and right sides of the anti-theft tear sheet.
5. A packaging can with a sealing cover, characterized in that: It comprises a can body and a sealing cover with an anti-theft structure as claimed in any one of claims 1 to 4, wherein the inner wall of the lower cover facing one end of the can body is provided with a concave sealing arc, and the outer wall of the can body facing one end of the lower cover is provided with a convex arc that is compatible with the sealing arc and convex outward.