Anti-theft side-opening welding cover
By incorporating a tear-off tamper-evident ring with a side-opening welded cap and a hinged structure design, the problems of preventing accidental touches on the bottle cap, status identification, and inconvenience in use are solved, improving safety and operational smoothness, and enhancing the user experience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGZHOU MENSHEN PACKAGING
- Filing Date
- 2025-05-20
- Publication Date
- 2026-05-12
AI Technical Summary
Existing bottle caps have shortcomings in terms of preventing accidental opening, status recognition, structural stability, and ease of use. In particular, the anti-theft ring design is prone to jamming, the hinge is easily scratched, it is inconvenient to pour, and the hand contact area is insufficient.
A side-opening welded cover with anti-theft features a tear-off anti-theft ring, a hinge structure, and a guide along the edge. The open state is identified by tearing the anti-theft ring, optimizing the smoothness of operation. The large-arc hinge and guide along the edge enhance stability and user experience.
It improves security and status recognition by preventing accidental activation, optimizes operation smoothness and stability, avoids lag and scratches, and enhances the user experience.
Smart Images
Figure CN224225723U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of bottle cap technology, and more specifically, it relates to a welded cap with anti-theft side opening. Background Technology
[0002] In the food packaging industry, the safety, ease of use, and structural stability of bottle caps are important design considerations. While existing bottle caps offer basic anti-theft features, they generally suffer from the following technical problems:
[0003] (1) Insufficient protection against accidental opening and status recognition: Traditional anti-theft ring structures cannot clearly show whether the packaging has been opened, which poses a risk that the contents may be tampered with or misused.
[0004] (2) Structural design defects lead to inconvenience in use: For example, the mating area between the handle and the anti-theft ring is prone to jamming or loosening due to wiring, which affects the smoothness of user operation; the sharp corners of the hinge may scratch the packaging or cause hand injuries during use, and the bending resistance is insufficient, resulting in poor opening stability.
[0005] (3) Lack of functional design: The lack of a guiding structure when tilting makes it difficult to control the flow of contents, and the sharp edges can easily cause scratches; the insufficient contact area for the hand affects the opening experience.
[0006] To address the aforementioned issues, there is an urgent need for an improved bottle cap that enhances the functions of preventing accidental touches and tampering, while optimizing the structural design to improve safety, stability, and ease of use. Utility Model Content
[0007] The purpose of this utility model is to provide a side-opening welded cover with anti-theft function, which solves at least one technical problem existing in the background art.
[0008] The above-mentioned technical objective of this utility model is achieved through the following technical solution:
[0009] A side-opening welded cap with anti-theft features includes a matching cap body and a base for connecting a packaging bag; a hinge structure is provided between the cap body and the base, the hinge structure fixingly connecting the cap body and the base; a tear-off anti-theft ring is provided on the base, the lower edge of the tear-off anti-theft ring is connected to the base by a tear structure; the lower edge of the cap body is provided with a snap-fit block adapted to the tear structure, the snap-fit block snaps onto the tear structure of the tear-off anti-theft ring.
[0010] Optionally, the upper edge of the lid protrudes outward to form an rim that increases the contact area for the hand to facilitate opening the lid.
[0011] Optionally, both ends of the tear-off anti-theft ring are provided with handles, and the outer wall of the cover is recessed inward to form an anti-theft ring groove for accommodating the tear-off anti-theft ring and the handle.
[0012] Optionally, the tear-off security ring and handle are wrapped under the eaves.
[0013] Optionally, the hinge structure includes an arc-shaped main hinge and two bendable side hinges located on both sides of the main hinge; the upper edges of the main hinge and the side hinges are fixedly connected to the cover, and the lower edges of the main hinge and the side hinges are fixedly connected to the base.
[0014] Optionally, the discharge port of the base is provided with a guide along the edge to facilitate the flow of contents and thus adjust the amount of contents poured.
[0015] Optionally, the guide is positioned opposite the hinge structure along its edge to facilitate the pouring of contents, and the line connecting the guide along its edge and the hinge structure is in the same direction as the length of the base.
[0016] Optionally, the cover body is provided with a sealing plug ring for the discharge port of the movable sealing base.
[0017] In summary, this utility model has the following beneficial effects: Firstly, the anti-theft ring prevents accidental opening of the lid when it is not torn, and structural damage allows for clear identification of whether the packaging has been opened, improving security and status identification. Secondly, the design of completely enclosing the anti-theft ring on the lid's edge prevents the handle from getting loose or falling off during stitching, optimizing operational smoothness. Thirdly, the large arc design of the main hinge edge reduces sharp corners to prevent stitching from tearing the bag, while the bending shape of the side hinge enhances the stability and fold resistance of the lid opening. The guide edge design guides the flow of contents and controls the amount of spillage when tilted, and to some extent avoids scratches caused by sharp edges. The slender arc design of the lid's edge increases the contact area for hand opening, improving the user experience. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the structure of this utility model;
[0019] Figure 2 This is a top view of the present invention;
[0020] Figure 3 yes Figure 2 Sectional view at section AA;
[0021] Figure 4 This is a first structural schematic diagram of the utility model when the cover is opened;
[0022] Figure 5 yes Figure 4 The main view;
[0023] Figure 6 This is a schematic diagram of the second structure of the utility model when the cover is opened. Detailed Implementation
[0024] To make the objectives, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model are described in detail below with reference to the accompanying drawings. Several 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.
[0025] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances. The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature.
[0026] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.
[0027] like Figures 1-6 As shown, this utility model provides a side-opening welded cover with anti-theft features, including a cover body 1 and a base 2 for connecting a packaging bag; a hinge structure 3 is provided between the cover body 1 and the base, and the hinge structure 3 fixes the cover body 1 and the base 2; a tear-off anti-theft ring 4 is provided on the base 2, and the lower edge of the tear-off anti-theft ring 4 is connected to the base 2 by a tear structure; a snap-fit block 11 adapted to the tear structure is provided on the lower edge of the cover body 1, and the snap-fit block 11 snaps onto the tear structure of the tear-off anti-theft ring 4.
[0028] Specifically, the cover 1, base 2, hinge structure 3, and tear-off anti-theft ring 4 are manufactured using an integral injection molding process. The bottom of the base 2 is diamond-shaped and is sealed to the packaging bag via hot-melt welding. Its top has an opening (not shown in the attached diagram). The cover 1 has an integrally formed sealing plug ring 14 for sealing the outlet of the movable base 2. The right side of the cover 1 is fixedly connected to the upper edge of the hinge structure 3, and the left side has two integrally formed snap-fit blocks 11, symmetrical about the front and rear sides of the base 2. The lower edge of the tear-off anti-theft ring 4 is a tear structure formed by several tearable connecting pieces (not shown in the attached diagram), with several tear holes 42 formed between the tearable connecting pieces. The upper edges of the tearable connecting pieces are fixedly connected to the tear-off anti-theft ring 4, and the lower edges of the tearable connecting pieces are fixedly connected to the base 2. Two snap-fit blocks 11 are respectively inserted into the two outermost tear holes 42. In the absence of tearing the anti-theft ring 4, the cover 1 is prevented from being accidentally opened, so that the cover 1 has the advantage of being able to fully identify whether it has been opened.
[0029] Furthermore, the upper edge of the cover 1 protrudes outward to form an eave 12 for increasing the contact area of the hand to facilitate opening the cover 1.
[0030] like Figure 1 and Figure 6 As shown, the eaves 12 has a long, curved design and is located on the upper left edge of the cover 1 and above the tear-off anti-theft ring 4. This increases the contact area for hand opening during use and improves the user experience.
[0031] Furthermore, both ends of the tear-off anti-theft ring 4 are provided with handles 41, and the outer wall of the cover 1 is recessed inward to form an anti-theft ring groove 13 for accommodating the tear-off anti-theft ring 4 and the handles 41.
[0032] like Figure 1 and Figure 6 As shown, both ends of the tear-off anti-theft ring 4 have an integrally formed handle 41, with anti-slip stripes formed on the handle 41. The arc length of the anti-theft ring groove 13 is approximately half the arc length of a circle, and slightly longer than the total arc length between the tear-off anti-theft ring 4 and the two handles 41, so as to form a space at the end of the handle 41 that is easy to grip with the thumb and forefinger. In use, grasp one side of the handle 41 and tear it open to the other side, and the tearing structure at the lower edge of the tear-off anti-theft ring 4 is torn open.
[0033] Furthermore, the tear-off anti-theft ring 4 and the handle 41 are wrapped under the eaves 12.
[0034] like Figure 1 and Figure 6 As shown, the tear-off anti-theft ring 4 is designed to be completely wrapped under the eaves 12, which can prevent the handle 41 from getting loose or falling off when the cable is being routed, thus optimizing the smoothness of operation.
[0035] Furthermore, the hinge structure 3 includes an arc-shaped main hinge 31 and two bendable side hinges 32 located on both sides of the main hinge 31; the upper edges of the main hinge 31 and the side hinges 32 are fixedly connected to the cover 1, and the lower edges of the main hinge 31 and the side hinges 32 are fixedly connected to the base 2.
[0036] like Figures 1-6 As shown, the main hinge 31 is an arc-shaped connecting strip; the side hinge 32 is a repeatedly bendable connecting piece with a maximum opening angle of 120°-180°. The edges of the main hinge 31 are designed with a large arc to reduce sharp corners and prevent the stitching from tearing the packaging bag. At the same time, the bending shape in the middle of the side hinge 32 enhances the stability and fold resistance of the lid 1 when opening. In addition, the discharge direction of the base 2's outlet is opposite to that of the hinge structure 3, that is, the hinge structure 3 is located on the right side of the base 2's outlet, while the discharge direction is on the left side of the base 2's outlet.
[0037] Furthermore, the discharge port of the base 2 is provided with a guide along the edge 21 that facilitates the flow of contents and thus adjusts the amount of contents poured.
[0038] Furthermore, the guide along the edge 21 is positioned opposite to the hinge structure 3 to facilitate the pouring of contents, and the line connecting the guide along the edge 21 and the hinge structure 3 is in the same direction as the length of the base 2.
[0039] like Figures 3-5 As shown, the guide edge 21 causes the outlet of the base 2 to form a funnel shape. This design guides the flow of contents and controls the amount of contents poured when tilting, and also avoids scratches caused by the sharp edge of the outlet of the base 2 to some extent. The guide edge 21 is specifically located to the left of the outlet of the base 2, opposite to the hinge structure 3, and the line connecting the guide edge 21 and the hinge structure 3 is parallel to the length direction of the base 2. In other words, the direction of pouring the contents is the same as the length direction of the base 2.
[0040] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.
Claims
1. A side-opening welded cover with anti-theft features, characterized in that, It includes a matching cover and a base for connecting the packaging bag; a hinge structure is provided between the cover and the base, and the hinge structure is fixedly connected to the cover and the base; a tear-off anti-theft ring is provided on the base, and the lower edge of the tear-off anti-theft ring is connected to the base by a tear structure; the lower edge of the cover is provided with a snap-fit block adapted to the tear structure, and the snap-fit block snaps onto the tear structure of the tear-off anti-theft ring.
2. The anti-theft side-opening welded cover according to claim 1, characterized in that, The upper edge of the lid protrudes outward to increase the contact area with the hand, making it easier to open the lid.
3. The anti-theft side-opening welded cover according to claim 2, characterized in that, Both ends of the tear-off anti-theft ring are equipped with handles, and the outer wall of the cover is recessed inward to form an anti-theft ring groove for accommodating the tear-off anti-theft ring and the handle.
4. The anti-theft side-opening welded cover according to claim 3, characterized in that, The tear-off security ring and handle are wrapped under the eaves.
5. The anti-theft side-opening welded cover according to claim 1, characterized in that, The hinge structure includes an arc-shaped main hinge and two bendable side hinges located on both sides of the main hinge. The upper edges of the main hinge and the side hinges are fixedly connected to the cover, and the lower edges of the main hinge and the side hinges are fixedly connected to the base.
6. The anti-theft side-opening welded cover according to claim 1, characterized in that, The base has a discharge port with a guide along the edge that facilitates the flow of contents and thus adjusts the amount of contents poured.
7. The anti-theft side-opening welded cover according to claim 6, characterized in that, The guide is positioned opposite the hinge structure along the edge to facilitate the pouring of contents, and the line connecting the guide along the edge and the hinge structure is in the same direction as the length of the base.
8. The anti-theft side-opening welded cover according to claim 1, characterized in that, The inside of the cover is equipped with a sealing plug ring for the discharge port of the movable sealing base.