Opening device

By designing a rotation and flipping mechanism for the base, cap, connecting ring, first associated structure, and opening recognition block, the problem of convenient closing and first-time opening recognition in existing packaging opening devices is solved, achieving the effect of convenient opening and safe recognition.

CN223591418UActive Publication Date: 2025-11-25LAMICAN PACKAGING KUNSHAN CO LTD
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Patent Information

Application Number
CN202423090764.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-11-25
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

The existing packaging opening device makes it difficult to close the cap easily after the first opening, and it cannot effectively identify whether it has been opened, resulting in inconvenience and insufficient security.

Method used

An opening device is designed, comprising a base, a cap, a connecting ring, a first associated structure, an opening recognition window, and an opening recognition block. The opening recognition block is irreversibly flipped by the relative rotation of the cap and the base. Combined with an upward drive structure and a limiting device, the convenient flipping of the cap and the reliability of the recognition window are ensured.

Benefits of technology

It enables convenient opening and closing of packaging, and the irreversible opening recognition block flips to clearly indicate the first opening status, improving the user experience and security.

✦ Generated by Eureka AI based on patent content.

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Abstract

The opening device is characterized by comprising a base, a cap, a connecting ring, a first correlation structure, an opening recognition window and an opening recognition block, the base is provided with a pouring pipe, the cap is movably arranged on the pouring pipe, the connecting ring is rotatably installed on the pouring pipe in a surrounding mode, the first correlation structure is used for connecting the cap and the connecting ring, and the opening recognition window is used for recognizing the opening recognition block. When the cap is opened, the cap can be connected to the base through the first association structure, and at least one part of the opening recognition window is arranged on the cap. The opening identification block is arranged in the opening identification window, and the opening identification block and the opening identification window are at least partially and separably connected; in the process of opening the packaging piece, when the cap and the base rotate relatively, the opening recognition block can move relative to the opening recognition window. The opening device is compact in structure and convenient to operate.
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Description

TECHNICAL FIELD

[0001] Embodiments of the present disclosure relate to an opening device, and in particular, to an opening device for a package that is reclosable. BACKGROUND

[0002] Some opening devices of packages (e.g., drink packaging boxes) are connected to the packages by a dirt-proof ring to determine whether the packages have been opened, and the cap of the opening device is attached to the package by a connecting mechanism to prevent the cap from falling off after the package is opened. SUMMARY

[0003] According to an aspect of the present disclosure, there is provided an opening device for a package, characterized by comprising: a base, a cap, a connecting ring, a first association structure, an opening recognition window, and an opening recognition block, the base having a pouring tube, the cap being movably disposed on the pouring tube, the connecting ring being rotatably and circumferentially mounted on the pouring tube, the first association structure being used to connect the cap and the connecting ring, the first association structure being capable of connecting the cap to the base when the cap is opened, at least a portion of the opening recognition window being disposed on the cap; the opening recognition block being disposed in the opening recognition window, and the opening recognition block being at least partially detachably connected with the opening recognition window; wherein, during opening of the package, when the cap and the base are relatively rotated, the opening recognition block is capable of moving relative to the opening recognition window.

[0004] According to an aspect of the present disclosure, further characterized by comprising: a second association structure, the second association structure rotatably mounting the connecting ring on the pouring tube to prevent the connecting ring from being detached from the pouring tube.

[0005] According to an aspect of the present disclosure, characterized in that: the second association structure comprises a second association structure first part and a second association structure second part, the second association structure first part being disposed at a lower portion of the pouring tube, and the second association structure second part being disposed inside the connecting ring.

[0006] According to an aspect of the present disclosure, characterized in that: the pouring tube defines an opening having an axis.

[0007] According to an aspect of the present disclosure, characterized in that the cap comprises: a cap body and an opening sealing plate, the opening sealing plate being disposed at a top portion of the cap body, the opening sealing plate being capable of sealing the opening of the pouring tube when the cap is not opened.

[0008] According to one aspect of the present disclosure, the opening identification block is movable relative to the opening identification window when the cap and the base are relatively rotated during the first opening of the package.

[0009] According to one aspect of the present disclosure, the cap has a cap bottom edge, the connection ring has a connection ring upper edge, and the cap bottom edge is detachably connected with the connection ring upper edge; wherein the cap is moved upward relative to the pouring tube when the cap and the base are relatively rotated during the first opening of the package, so that the cap bottom edge is detached from the connection ring upper edge.

[0010] According to one aspect of the present disclosure, a lower edge of the opening identification block is detachably connected with the connection ring; wherein the opening identification block is detached from the connection ring when the cap and the base are relatively rotated during the opening of the package.

[0011] According to one aspect of the present disclosure, the opening identification block is detached from the connection ring when the cap and the base are relatively rotated during the first opening of the package.

[0012] According to one aspect of the present disclosure, the package further comprises an upward driving structure, a portion of the upward driving structure is arranged inside the cap, and another portion of the upward driving structure is arranged outside the pouring tube; wherein the upward driving structure drives the cap to move upward relative to the pouring tube when the cap and the base are relatively rotated during the first opening of the package, so that the cap bottom edge is detached from the connection ring upper edge.

[0013] According to one aspect of the present disclosure, the cap bottom edge is detached from the connection ring upper edge when the connection ring is deformed.

[0014] According to one aspect of the present disclosure, the first associated structure reversibly connects the cap with the connection ring, and the cap is reversed relative to the connection ring during the upward movement of the cap relative to the pouring tube, thereby gradually exposing the opening.

[0015] According to one aspect of the present disclosure, the pouring tube comprises a pouring tube upper portion and a pouring tube lower portion, the cap is movably arranged in the pouring tube upper portion, and the connection ring is rotatably and circumferentially mounted in the pouring tube lower portion.

[0016] According to one aspect of the present disclosure, the base further has a flange disposed at an axial end of a lower portion of the pouring tube, the pouring tube extending along the axis away from an upper surface of the flange, the flange surrounding the pouring tube and extending outwardly away from the axis, the flange for connecting the base to the package.

[0017] According to one aspect of the present disclosure, the base further has a flange disposed at an axial end of a lower portion of the pouring tube, the pouring tube extending along the axis away from an upper surface of the flange, the flange surrounding the pouring tube and extending outwardly away from the axis, the flange for connecting the base to the package.

[0018] According to one aspect of the present disclosure, the base further has a flange disposed at an axial end of a lower portion of the pouring tube, the pouring tube extending along the axis away from an upper surface of the flange, the flange surrounding the pouring tube and extending outwardly away from the axis, the flange for connecting the base to the package.

[0019] According to one aspect of the present disclosure, the base further has a flange disposed at an axial end of a lower portion of the pouring tube, the pouring tube extending along the axis away from an upper surface of the flange, the flange surrounding the pouring tube and extending outwardly away from the axis, the flange for connecting the base to the package.

[0020] According to one aspect of the present disclosure, the base further has a flange disposed at an axial end of a lower portion of the pouring tube, the pouring tube extending along the axis away from an upper surface of the flange, the flange surrounding the pouring tube and extending outwardly away from the axis, the flange for connecting the base to the package.

[0021] According to one aspect of the present disclosure, the base further has a flange disposed at an axial end of a lower portion of the pouring tube, the pouring tube extending along the axis away from an upper surface of the flange, the flange surrounding the pouring tube and extending outwardly away from the axis, the flange for connecting the base to the package.

[0022] According to one aspect of the present disclosure, the base further has a flange disposed at an axial end of a lower portion of the pouring tube, the pouring tube extending along the axis away from an upper surface of the flange, the flange surrounding the pouring tube and extending outwardly away from the axis, the flange for connecting the base to the package. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1A is a schematic view of the first embodiment of the opening device of the present application applied to a package in a closed state;

[0024] Figure 1B is a schematic view of the first embodiment of the opening device of the present application applied to a package in an open state;

[0025] Figure 2A is Figure 1A is a perspective view of the opening device of the present application in a closed state;

[0026] Figure 2B is Figure 1B is a perspective view of the opening device of the present application in an open state;

[0027] Figure 3A is Figure 2A is a perspective view of the base of the opening device shown;

[0028] Figure 3B is Figure 2A a side view of the base of the opening device shown in

[0029] Figure 3C is Figure 2A a side view of the base of the opening device shown in

[0030] Figure 4A is Figure 2A a perspective view of the cap and connecting ring of the opening device shown in

[0031] Figure 4B is Figure 2B a perspective view of the cap and connecting ring of the opening device shown in

[0032] Figure 4C is Figure 2A a perspective view of the cap and connecting ring of the opening device shown in

[0033] Figure 4D is Figure 2A an internal perspective view of the cap of the opening device shown in

[0034] Figure 4E is Figure 4D a sectional view C-C of the cap and connecting ring of the opening device shown in

[0035] Figure 5A is Figure 1A a schematic view of the opening device before the first opening in

[0036] Figure 5B is Figure 5A a schematic view of the opening device after the top of the opening recognition window is lifted in

[0037] Figure 5C is Figure 5B a schematic view of the opening device rotating to rise in

[0038] Figure 5D is Figure 5C a schematic view of the opening device continuing to rotate to rise in

[0039] Figure 5E is Figure 5D a schematic view of the cap of the opening device after being turned over in

[0040] Figure 6A is a schematic view of the second embodiment of the opening device of the present application in a closed state;

[0041] Figure 6B is Figure 6A an enlarged view of part D of the opening device shown in

[0042] Figure 6C yes Figure 6A The diagram shows the opening device after it has been turned at an angle from the closed position.

[0043] Figure 6D yes Figure 6C Enlarged view of part E of the opening device shown. Detailed Implementation

[0044] Various specific embodiments of the present disclosure will now be described with reference to the accompanying drawings, which form part of this specification. It should be understood that although terms indicating direction, such as "front," "rear," "upper," "lower," "left," "right," "top," and "bottom," are used herein to describe various exemplary structural parts and elements, their use is merely for illustrative purposes and is based on the exemplary orientations shown in the accompanying drawings. Since the embodiments disclosed herein can be arranged in different orientations, these terms indicating direction are illustrative only and should not be considered limiting.

[0045] Figures 1A-1B This is a schematic diagram of an opening device 100 according to an embodiment of the present disclosure applied to a package 10, wherein... Figure 1A This is a schematic diagram of the first embodiment of the opening device of this application applied to a package in a closed state; Figure 1B This is a schematic diagram of the first embodiment of the opening device of this application applied to the open state of the packaging.

[0046] like Figures 1A-1B As shown, the packaging 10 includes an opening device 100 and a packaging body 20. The opening device 100 is disposed on the top of the packaging body 20 (e.g., a beverage packaging box), surrounding and covering the outlet of the packaging 10 (not shown in the figure), and is used to open or close the outlet of the packaging 10. Those skilled in the art will understand that in some other embodiments, if the outlet is located in other parts of the packaging body 20, the opening device 100 can also be adaptively configured according to the outlet location.

[0047] Figures 2A-2B A perspective view of the first embodiment of the opening device in both the closed and open states; Figures 3A-3C The structure of the base of the opening device is shown; Figures 4A-4E The structure of the cap of the opening device is shown.

[0048] like Figures 2A-2B , Figures 3A-3C as well as Figures 4A-4EAs shown, the opening device 100 comprises a cap 202, a connecting ring 204 and a base 206, which are made of plastic and integrally formed by injection molding. The base 206 is arranged around the outlet of the package 10 and has a pouring tube 302 and a flange 322 arranged at the axially lower end of the pouring tube 302, and the cap 202 is movably arranged on the pouring tube 302 of the base 206. The pouring tube 302 defines an opening 312 which is arranged in fluid communication with the outlet of the package 10. The opening 312 has a central axis X, and the pouring tube 302 extends along the central axis X away from the upper surface of the flange 322, and the flange 322 extends around the pouring tube 302 and away from the central axis X for connecting the base 206 to the package 10. The pouring tube 302 comprises a pouring tube upper portion 304 and a pouring tube lower portion 306, and the cap 202 is movably arranged on the pouring tube upper portion 304, and the connecting ring 204 is rotatably and circumferentially mounted on the pouring tube lower portion 306.

[0049] The opening device 100 further comprises a first associated structure 203 arranged on the outer side of the connecting ring 204 and the outer side of the lower edge of the cap 202, which can be a connecting hinge integrally formed with the cap 202 and the connecting ring 204, such as a bowtie type hinge, for connecting the cap 202 and the connecting ring 204 together and enabling the cap 202 to be flipped relative to the connecting ring 204 so that the cap 202 can be attached to the pouring tube 302 of the base 206 through the connecting ring 204. The second associated structure comprises a second associated structure first portion 352 (see Figures 3A-3B ) and a second associated structure second portion 442 (see Figures 4B-4C and 4E), the second associated structure first portion 352 is a protruding structure around the pouring tube lower portion 306 and protrudes outward from the outer side of the pouring tube lower portion 306, and the second associated structure second portion 442 is a protruding structure around the inner side of the connecting ring 204 and protrudes inward from the inner side of the connecting ring 204, which can be a plurality of discontinuous protruding structures (see Figure 4E ) or an integrally inwardly protruding structure. In the mounted state, the second associated structure second portion 442 abuts below the second associated structure first portion 352 and can prevent the connecting ring 204 from moving upward relative to the pouring tube 302 and disengaging, thereby rotatably mounting the connecting ring 204 on the pouring tube 302.

[0050] The cap 202 comprises a cylindrical cap body 412 and an opening cover plate 414 arranged on the top of the cap body 412, and when the cap 202 is not opened, the cap body 412 is arranged around the periphery of the pouring tube 302 so that the opening cover plate 414 can cover the opening 312 of the pouring tube 302 (see Figure 2A) ; when the cap 202 is opened, the cap body 412 can be flipped over relative to the connecting ring 204 and the pouring tube 302 by the first associated structure 203, so that the opening cover plate 414 no longer covers the opening 312 of the pouring tube 302 (see Figure 2B ). The cap body 412 has a cap bottom edge 415, and the connecting ring 204 has a connecting ring upper edge 417, and the cap bottom edge 415 and the connecting ring upper edge 417 are connected together by a plurality of cap body anchor points 212 (see the enlarged view of part A of Figure 2A ). When the cap 202 is flipped over or has a tendency to flip over relative to the connecting ring 204, the plurality of cap body anchor points 212 can be broken, so that the cap bottom edge 415 and the connecting ring upper edge 417 can be separated and moved relative to each other. In the case that the cap 202 is not moved and the connecting ring 204 is deformed, the plurality of cap body anchor points 212 can also be broken. For example, in the case that the package 10 is not opened, if someone tries to use a tool to pry the cap 202 and the connecting ring 204 together from the gap between the lower edge of the connecting ring 204 and the base 206, the connecting ring 204 will first be deformed, thereby causing the cap body anchor points 212 to break and the cap bottom edge 415 and the connecting ring upper edge 417 to be separated. In this way, other users can identify that the package 10 has been tried to be opened by someone.

[0051] The lower edge of the cap body 412 is provided with a recess-shaped opening identification window 416 in the circumferential direction, which is recessed upward from the lower edge of the cap body 412 by a distance. In the embodiment of the present application, the opening identification window 416 is substantially rectangular, and has a left side edge, a right side edge and an upper side edge. The opening identification window 416 occupies a span of less than 90°, for example 60°, in the circumferential direction of the cap 202. In some other embodiments, the opening identification window 416 can also be set to occupy a span of less than 45°, for example 30°, in the circumferential direction of the cap 202. The opening identification window 416 is provided with an opening identification block 418, and the left and right edges 222, 224 and the upper edge 223 of the opening identification block 418 are connected to the left and right side edges and the upper side edge of the opening identification window 416, and the connected parts are subjected to weakening treatment to facilitate breaking or tearing, for example, V-shaped grooves 421 are provided at the connected parts. The bottom edge 214 of the opening identification block 418 and the connecting ring upper edge 417 are connected together by a plurality of opening identification window anchor points 216 (see the enlarged view of part B of Figure 2A ). When the opening identification window 416 is flipped over or has a tendency to flip over, the plurality of opening identification window anchor points 216 can be broken.

[0052] As shown in Figure 4BAs shown, the inner side of the opening identification block 418 is provided with an opening identification block actuating portion 452, which is formed by protruding radially inward from the inner side of the opening identification block 418 by a distance. The pouring pipe 302 is provided with a limiting device 314 (see Figure 3A ), which is formed by protruding radially outward from the outer side of the pouring pipe upper portion 304 by a distance. The two protruding structures of the limiting device 314 are provided with a limiting chamfer 315 in the horizontal direction, so as to facilitate the opening identification block actuating portion 452 to pass over the limiting device 314. Before the package 10 is opened for the first time, the opening identification block 418 is limited between the two protruding structures of the limiting device 314 by the opening identification block actuating portion 452, so that the cap 202 is kept in a relatively stable position relative to the base 206, so as to prevent the cap 202 from rotating relative to the base 206 before the package 10 is opened.

[0053] During the process of opening the package 10 for the first time, when the cap 202 and the base 206 just start to rotate relative to each other, at this time the cap 202 has not yet been lifted relative to the base 206, the opening identification block actuating portion 452 of the opening identification block 418 is in contact with and pressed against the limiting chamfer 315 of the limiting device 314, so that the limiting device 314 exerts a radially outward force on the opening identification block 418, the opening identification window anchor 216 can be broken under the action of the force to separate the opening identification block 418 from the connecting ring 204, and the left and right edges 222, 224 of the opening identification block 418 and the left and right sides of the opening identification window 416 can also be broken to allow the opening identification block 418 to flip over relative to the opening identification window 416 about the upper edge 223 thereof. After the opening identification block 418 flips over, the opening identification block actuating portion 452 is no longer pressed against the limiting device 314, so the opening identification block 418 no longer interferes with the limiting device 314, so that the cap 202 can continue to rotate relative to the base 206. Since the weakened connection around the opening identification block 418 is broken and the opening identification block 418 flips over about the upper edge 223 thereof, this process is irreversible, so it can inform the user that the package 10 has been opened.

[0054] As shown in Figure 2A and Figure 4A , the upper edge of the cap 202 is provided with a positioning portion 232, which is formed by protruding radially outward from the upper edge of the cap 202. In the circumferential direction of the cap 202, the positioning portion 232 is arranged opposite to the opening identification block 418, i.e. the circumferential directions are approximately 180° apart. When the user pinches or touches the cap 202, the user will subconsciously avoid the protruding structure of the positioning portion 232 and hold the cap 202 at a position between the positioning portion 232 and the opening identification block 418 in the circumferential direction, so as to prevent the user from accidentally touching the opening identification block 418 and damaging the opening identification block 418.

[0055] As Figures 3A-4E shown, the opening device 100 further comprises an ascending driving structure, which comprises two parts respectively arranged on the cap 202 and the pouring tube 302. One part of the ascending driving structure is an ascending slope 432, which is formed by protruding inward from the cap body inner side surface 431 of the cap body 412, and surrounds the cap body inner side surface 431 for a distance to form an ascending track, thereby forming part of the structure of the cap body 412. The other part of the ascending driving structure is a first protrusion 332 arranged on the outer side of the pouring tube 302, which is formed by protruding outward from the outer side of the pouring tube 302, thereby forming part of the structure of the pouring tube 302. The first protrusion 332 extends horizontally in the circumferential direction of the outer side of the pouring tube 302 for a distance, and one side of the first protrusion 332 is provided with a protruding inclined angle 333, for example, the left side in the embodiment of the present application. The inclination angle of the protruding inclined angle 333 is the same as that of the ascending slope 432, so as to facilitate the abutment of the first protrusion 332 and the ascending slope 432 of the cap 202. In the process of opening the packaging 10 for the first time, when the cap 202 rotates relative to the pouring tube 302, under the abutment of the ascending slope 432 and the first protrusion 332, the ascending slope 432 can move upward relative to the first protrusion 332 by the driving action of its ascending track, so as to make the cap 202 move upward relative to the pouring tube 302 while rotating. Since the first associated structure 203 connects the cap 202 and the connecting ring 204 together, and the second associated structure prevents the connecting ring 204 from moving upward relative to the pouring tube 302, during the upward rotating movement of the cap 202, the connecting ring 204 rotates synchronously with the cap 202 but does not move upward, so that the cap 202 will be flipped relative to the connecting ring 204 with the first associated structure 203 as the pivot, and several cap body anchor points 212 will be broken when the cap 202 is flipped, so as to separate the cap bottom edge 415 from the connecting ring upper edge 417, to help open the cap 202 and gradually expose the opening 312.

[0056] As Figures 3A-4E shown, the pouring tube 302 is further provided with several second protrusions 334, which are formed by protruding outward from the outer side of the pouring tube 302 and extend horizontally in the circumferential direction of the outer side of the pouring tube 302 for a distance. Referring to Figure 3C , the several second protrusions 334, the first protrusion 332 and the two protrusion structures of the limiting device 314 are distributed staggered in the circumferential direction of the outer side of the pouring tube 302; in the embodiment of the present application, the number of the second protrusions 334 is three, which are uniformly distributed in the circumferential direction of the outer side of the pouring tube 302. In the height direction of the pouring tube 302, the first protrusion 332 is arranged above the second protrusion 334, and the second protrusion 334 is arranged above the limiting device 314 (see Figure 3A). The upper and lower sides of the second protrusion 334 are respectively provided with chamfers 341, 342 (see Figure 3B ).

[0057] As shown in Figures 4B-4D , the cap body inner side 431 of the cap 202 is further provided with a clamping protrusion 434 which is formed by protruding inward from the cap body inner side 431 and horizontally extending for a distance in the circumferential direction of the cap body inner side 431, thereby forming a part of the structure of the cap 202. In the height direction of the cap 202, a rising slope 432 is arranged above the clamping protrusion 434 (see Figure 4D the perspective view). When the cap 202 is closed, the clamping protrusion 434 of the cap 202 abuts against the lower side of the second protrusion 334 of the pouring tube 302, thereby keeping the cap 202 in the closed state.

[0058] In the process of opening the package 10 for the first time, after the cap 202 is rotated relative to the pouring tube 302 by a certain angle, the rising slope 432 begins to abut against the first protrusion 332. Under the abutting action of the rising slope 432 and the first protrusion 332, the rising slope 432 can move upward relative to the first protrusion 332. The upward movement of the rising slope 432 of the cap 202 makes the clamping protrusion 434 deform by extruding the chamfer 342 on the lower side of the second protrusion 334 and move upward beyond the second protrusion 334, thereby opening the cap 202. After the package 10 is opened for the first time, the cap 202 can rotate relative to the pouring tube 302 through the connection with the connecting ring 204, and the cap 202 can also be closed after being rotated by any angle. By pressing the cap 202, the clamping protrusion 434 of the cap 202 deforms by extruding the chamfer 341 on the upper side of the second protrusion 334 and moves downward beyond the second protrusion 334, thereby closing the cap 202. When the cap 202 is opened again, the cap 202 can be opened at any position (angle), and the clamping protrusion 434 of the cap 202 deforms by extruding the chamfer 342 on the lower side of the second protrusion 334 and moves upward beyond the second protrusion 334, thereby opening the cap 202 again.

[0059] Figures 5A-5E The process of opening the package 10 for the first time is shown.

[0060] As shown in Figure 5A , before the package 10 is opened for the first time, the opening device 100 is in the closed state, and the opening recognition block 418 is limited between the two protrusion structures of the limiting device 314 by the opening recognition block actuating part 452, so that the cap 202 is kept in a stable position relative to the base 206 and is not easy to rotate. The cap bottom edge 415 of the cap body 412 is connected together with the connecting ring upper edge 417 of the connecting ring 204 through a plurality of cap body anchor points 212 (see Figure 2A the enlarged view of part A and Figure 4A), the bottom edge 214 of the opening identification block 418 is connected with the upper edge 417 of the connecting ring through several opening identification window anchor points 216 (see the enlarged view of B of Figure 2A Figure 4A ), the clamping protrusion 434 of the cap 202 abuts against the lower side of the second protrusion 334 of the pouring pipe 302. The ascending slope 432 of the cap 202 is separated from the first protrusion 332 of the pouring pipe 302 by a certain rotation angle in the circumferential direction and does not abut against the first protrusion 332.

[0061] As shown in Figure 5B , when the packaging 10 is opened for the first time, the cap 202 is twisted to rotate relative to the base 206. The opening identification block actuating part 452 of the opening identification block 418 is in contact with and pressed against the protruding structure of the limiting device 314, so that the protruding structure of the limiting device 314 applies a radially outward force to the opening identification block 418. The opening identification window anchor points 216 are broken under the force to separate the opening identification block 418 from the connecting ring 204. The left and right edges 222, 224 of the opening identification block 418 are also broken under the force to flip the opening identification block 418 relative to the opening identification window 416 around the upper edge 223. This process is irreversible, so it can be informed to other users that the packaging 10 has been opened. In the embodiment of the present application, the cap 202 is twisted by an angle of 5° to 10° from the initial twisting to the complete breaking and flipping of the opening identification block 418.

[0062] As shown in Figure 5C , after the opening identification window 416 is flipped, the cap 202 is continuously twisted to rotate to the position where the ascending slope 432 of the cap 202 is in contact (abuts against) with the first protrusion 332 of the pouring pipe 302. At this time, the cap 202 has not been raised relative to the pouring pipe 302.

[0063] As shown in Figure 5D ​As shown, after the rising ramp 432 of the cap 202 contacts the first protrusion 332 of the pouring tube 302, the cap 202 continues to be rotated. Under the abutment of the rising ramp 432 and the first protrusion 332, the rising track of the rising ramp 432 slides relative to the first protrusion 332, allowing the cap 202 to rise relative to the pouring tube 302 during rotation. Since the cap 202 is connected to the connecting ring 204 through the first connecting structure 203, and the connecting ring 204 cannot move upward relative to the pouring tube 302 due to the obstruction of the second connecting structure, during the upward rotation and movement of the cap 202, the connecting ring 204 rotates synchronously with the cap 202 but does not move upward. This causes the cap 202 to initially flip relative to the connecting ring 204 with the first connecting structure 203 as the axis of rotation. At the same time, several cap body anchor points 212 break, causing the bottom edge 415 of the cap to separate relative to the upper edge 417 of the connecting ring, thus facilitating the opening of the cap 202. During the flipping process of the cap 202 relative to the connecting ring 204, the snap-fit ​​protrusion 434 of the cap 202 can be deformed by being squeezed by the chamfer 342 on the lower side of the second protrusion 334, and move upward past the second protrusion 334 of the tilting tube 302, so that the cap 202 can smoothly flip and move relative to the connecting ring 204, thereby gradually exposing the opening 312. At this time, the angle of rotation of the cap 202 from the initial twist to the completion of the initial rise is 260° to 280°. In the embodiment of this application, the angle of rotation of the cap 202 from the initial twist to the completion of the initial rise is 270°.

[0064] like Figure 5E As shown, after the cap 202 is fully rotated and raised through the rising track of the rising ramp 432, and the cap body anchor point 212 is completely broken, the cap 202 can be manually flipped to fully expose the opening 312 and complete the opening of the package 10. The flipping angle of the cap 202 is 135° to 170°.

[0065] Figures 6A-6D This is a schematic diagram of the second embodiment of the opening device in the closed state and after being turned at an angle from the closed state. The difference between the second embodiment and the first embodiment lies in the different positions of the opening recognition window and the opening recognition block; the similar parts will not be described again.

[0066] like Figures 6A-6DAs shown in the second embodiment, the upper half of the opening identification window 616 is arranged on the cap 202, the lower half of the opening identification window 616 is arranged on the connecting ring 204, and the opening identification block 618 is arranged in the opening identification window 616. Before the first opening, the left and right side edges of the opening identification block 618 are weakly connected with the left and right side edges of the upper and lower halves of the opening identification window 616 respectively, and the lower side edge of the opening identification block 618 is weakly connected with the lower side edge of the lower half of the opening identification window 616 on the connecting ring 204. When the packaging 10 is opened for the first time, the cap 202 is twisted to rotate relative to the base 206, and the weak connections of the left and right sides and the lower side of the opening identification block 618 are broken, so that the opening identification block 618 is flipped over relative to the opening identification window 616 with the upper edge as the rotating shaft, to inform the user that the packaging 10 has been opened.

[0067] As known by those skilled in the art, in the two embodiments of the present application, the direction of flipping of the opening identification block is not limited to upward flipping. In some other embodiments, by arranging weak connections or anchor points in different directions of the opening identification block, the opening identification block can also be arranged to flip leftward or rightward, or in the second embodiment of the present application, the opening identification block can also be arranged to flip downward.

[0068] The opening device of the existing packaging is arranged by setting a theft-proof ring or a pollution-proof ring connected with the cap at the bottom of the pouring pipe, and the cap is broken by rotating the cap to show that the packaging has been opened. Under the condition that the opening device of the packaging is fixed in height, the inventors of the present application have found through long-term experiments and observations that the higher the height of the cap, the better the stress condition when rotating and opening and closing, thereby facilitating the user to open the cap with smaller force under the same conditions. Therefore, the inventors of the present application arrange the structure of the theft-proof ring on the cap in the form of an opening identification window, which only occupies a small circumferential span at the bottom edge of the cap. Since the space occupied by the theft-proof ring in the height direction is saved, the height of the cap can be arranged higher, thereby facilitating the user to open the cap with smaller force under the same conditions.

[0069] The inventor of the present application also found that the existing packaging needs to be closed by rotating the cap after the first opening. When rotating, the protruding structure needs to be aligned with the corresponding raised track to smoothly rotate the cap. Therefore, the inventor of the present application designs a chamfered clamping structure (for example, the chamfered 341, 342 of the second protrusion 334 in the present application and the matching structure of the clamping protrusion 434) to make the cap be closed by pressing after the first opening, regardless of the angle of rotation. When the clamping structure is clamped and fixed, a "click" sound will be produced to indicate the completion of the closing action of the cap, so that the user can more quickly and conveniently close the cap. If you need to open the cap again, you can apply a certain opening force to the cap at any rotation angle of the cap, so that the above-mentioned clamping structure is separated, thereby opening the cap again. Therefore, the clamping structure of the opening device in the present application makes the user can quickly and conveniently close or open the cap by clamping and separating the clamping structure at any rotation angle of the cap.

[0070] While the present disclosure has been described in connection with the examples outlined above, various alternatives, modifications, variations, improvements, and / or substantial equivalents that are or can be presently unforeseeable can be practiced by persons skilled in the art. In addition, the technical effects and / or technical problems described in this specification are exemplary and not limiting; therefore, the disclosure herein can be used to solve other technical problems and have other technical effects and / or can solve other technical problems. Therefore, the examples of the embodiments of the present disclosure as stated above are intended to be illustrative, not limiting. Various changes can be made without departing from the spirit or scope of the present disclosure. Therefore, the present disclosure is intended to include all known or earlier developed alternatives, modifications, variations, improvements, and / or substantially equivalent arrangements.

Claims

1. An opening device for packaging, characterized in that... include: A base having a tilting tube; A cap, which is movably disposed on the pouring pipe; A connecting ring, which is rotatably and circumferentially mounted on the pouring pipe; A first connecting structure is used to connect the cap and the connecting ring. When the cap is open, the first connecting structure can connect the cap to the base. An identification window is opened, and at least a portion of the identification window is disposed on the cap; as well as An activation identification block is provided in the activation identification window, and the activation identification block and the activation identification window are at least partially detachably connected. During the process of opening the package, when the cap and the base rotate relative to each other, the opening recognition block can move relative to the opening recognition window.

2. The opening device according to claim 1, characterized in that... Also includes: A second connecting structure rotatably mounts the connecting ring onto the pouring tube to prevent the connecting ring from detaching from the pouring tube.

3. The opening device according to claim 2, characterized in that: The second connection structure includes a first part and a second part, the first part of the second connection structure is disposed at the lower part of the pouring pipe, and the second part of the second connection structure is disposed inside the connecting ring.

4. The opening device according to claim 1, characterized in that: The pouring tube defines an opening with an axis.

5. The opening device according to claim 4, characterized in that... The cap includes: The main body of the hat; and An opening sealing plate is disposed on the top of the cap body, and when the cap is not opened, the opening sealing plate can cover the opening of the pouring pipe.

6. The opening device according to claim 1, characterized in that: During the initial opening of the package, when the cap and the base rotate relative to each other, the opening recognition block can move relative to the opening recognition window.

7. The opening device according to claim 6, characterized in that: The cap has a bottom edge, the connecting ring has an upper edge, and the bottom edge of the cap and the upper edge of the connecting ring are detachably connected. During the initial opening of the package, when the cap rotates relative to the base, the cap moves upward relative to the pouring tube, causing the bottom edge of the cap to separate from the upper edge of the connecting ring.

8. The opening device according to claim 7, characterized in that: The lower edge of the opening identification block is detachably connected to the connecting ring; During the process of opening the package, when the cap and the base rotate relative to each other, the opening identification block separates from the connecting ring.

9. The opening device according to claim 8, characterized in that: During the initial opening of the package, when the cap and the base rotate relative to each other, the opening identification block separates from the connecting ring.

10. The opening device according to claim 7, characterized in that... Also includes: A lifting drive structure, a portion of which is disposed on the inner side of the cap, and another portion of which is disposed on the outer side of the tilting tube; During the initial opening of the package, when the cap rotates relative to the base, the rising drive structure drives the cap to move upward relative to the pouring tube, so that the bottom edge of the cap separates from the upper edge of the connecting ring.

11. The opening device according to claim 7, characterized in that: When the connecting ring deforms, the bottom edge of the cap separates from the upper edge of the connecting ring.

12. The opening device according to claim 4, characterized in that: The first associated structure rotatably connects the cap to the connecting ring. As the cap moves upward relative to the pouring tube, it flips relative to the connecting ring, thereby gradually exposing the opening.

13. The opening device according to claim 4, characterized in that: The pouring tube includes an upper part and a lower part, the cap is movably disposed on the upper part of the pouring tube, and the connecting ring is rotatably and circumferentially mounted on the lower part of the pouring tube.

14. The opening device according to claim 13, characterized in that: The base also has a flange disposed at the axial end of the lower part of the pouring tube, the pouring tube extending along the axis away from the upper surface of the flange, the flange surrounding the pouring tube and extending outward away from the axis, the flange being used to connect the base to the package.

15. The opening device according to claim 1, characterized in that... Also includes: A limiting device, which protrudes outward from the outside of the tilting tube; Before the package is opened for the first time, the limiting device is used to limit the relative position of the cap and the base to prevent the cap from rotating relative to the base.

16. The opening device according to claim 15, characterized in that: When the cap rotates relative to the base, the limiting device can drive the opening recognition block to move relative to the opening recognition window.

17. The opening device according to claim 1, characterized in that: The span of the opening recognition window in the circumferential direction of the cap is less than 90° or less than 45°.

18. The opening device according to claim 1, characterized in that: During the initial opening of the package, the cap rotates relative to the base at an angle between 260° and 280°.

19. The opening device according to claim 5, characterized in that: The opening recognition window is located on the main body of the hat.

20. The opening device according to claim 1, characterized in that: The cap and the connecting ring are manufactured by integral molding.