A self-destructing tamper-proof bottle cap

Abstract

The present invention relates to the technical field of bottle caps, and discloses a self-destructive tamper-proof bottle cap, comprising an upper cover, a lower cover, an inner cover, and a protective tube. An upper sealing cover is movably provided in the upper cover, and the outer peripheral wall of the upper sealing cover is in contact with the inner peripheral wall of the upper cover. The protective tube is provided in the upper cover, and the protective tube and the upper sealing cover are relatively fixed. The inner peripheral wall of the upper cover is provided with a locking mechanism adapted to the upper sealing cover. A mounting groove is provided at the top of the upper cover, a cover plate is fixedly installed in the mounting groove, and an anti-counterfeiting label is fixedly provided between the cover plate and the upper sealing cover. Due to the presence of the protective tube, the upper cover and the upper sealing cover maintain synchronous movement, which can ensure the integrity of the anti-counterfeiting label. If the anti-counterfeiting label needs to be tampered with, it needs to be forcibly destroyed. At this time, the upper sealing cover and the upper cover will move relative to each other, thereby causing damage to the anti-counterfeiting label, which can prevent the anti-counterfeiting label from being tampered with.

Description

Technical Field

[0001] The present invention relates to the technical field of bottle caps, and more particularly to a self-destructing tamper-proof bottle cap. Background Art

[0002] In today's society, driven by profit, counterfeit and substandard products are a widespread concern not only for manufacturers but also for the general public. Due to consumer habits, alcoholic beverages, particularly mid- to high-end liquor, have become a major target for counterfeiting.

[0003] In response to the current situation of counterfeit alcohol and beverages, many companies have installed anti-counterfeiting labels inside bottle caps to achieve the purpose of distinguishing between true and false. However, many anti-counterfeiting bottle caps can tamper with the label information inside after being forcibly opened. Therefore, it is urgent to design a bottle cap that can distinguish the authenticity of the bottle before opening and effectively prevent the reuse of the anti-counterfeiting label after opening the bottle. Summary of the Invention

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a self-destructing tamper-proof bottle cap to solve the problems existing in the above-mentioned background technology.

[0005] The present invention provides the following technical solutions: an open self-destructive tamper-proof bottle cap, comprising an upper cover, a lower cover, an inner cover, and a protective cylinder, wherein an upper sealing cover is movably arranged inside the upper cover, and the upper sealing cover is in a stepped shape with an upper end diameter larger than a lower end diameter, and the upper peripheral outer wall of the upper sealing cover is fitted with the peripheral inner wall of the upper cover, the protective cylinder is arranged inside the upper cover, and the protective cylinder is sleeved on the outside of the lower part of the upper sealing cover and fixed relatively thereto, the peripheral inner wall of the upper cover is provided with a locking mechanism adapted to the upper sealing cover, the top of the upper cover is provided with a mounting groove, a cover plate is fixedly installed in the mounting groove, and the cover plate is fixedly fitted with the upper sealing cover. An anti-counterfeiting label is fixedly arranged between the upper sealing covers, the lower cover is fixedly sleeved on the bottle mouth, the lower cover is movably connected to the upper cover, the inner cover is fixedly installed on the inner wall of the bottle mouth, the top of the inner cover is at the same horizontal height as the bottle mouth, the top of the inner cover is fixedly installed with the lower sealing cover, the peripheral outer wall of the lower sealing cover is fixedly connected to the peripheral inner wall of the lower cover, a wine outlet hole is opened on the top inner wall of the lower sealing cover, a one-way valve is arranged in the wine outlet hole, a wine outlet nozzle is fixedly installed on the top inner wall of the lower sealing cover, and a snap-fit sealing mechanism is commonly provided between the wine outlet nozzle and the upper sealing cover.

[0006] Preferably, the locking mechanism includes four trapezoidal blocks, and four sliding grooves are opened on the inner wall of the peripheral side of the upper cover. The four trapezoidal blocks are respectively slidably installed in the four sliding grooves. The sides of the four trapezoidal blocks that are away from each other are provided with elastic components, and the upper and lower sides of the four trapezoidal blocks are provided with limiting components.

[0007] Preferably, the elastic component includes a compression spring, a square limit rod is fixedly installed on the side of the slide, a square groove is opened on the side of the trapezoidal block, the square limit rod is slidably installed in the square groove, the compression spring is sleeved on the outer wall of the circumference of the square limit rod, one end of the compression spring is fixedly installed on the inner wall of the side of the slide, and the other end of the compression spring is fixedly installed on the side of the trapezoidal block.

[0008] Preferably, the limit assembly includes two limit sliders, and the upper and lower inner walls of the slide groove are provided with limit grooves. The two limit sliders are respectively slidably installed in the two limit grooves, and the opposite sides of the two limit sliders are respectively fixedly connected to the upper and lower sides of the trapezoidal block.

[0009] Preferably, the cover plate is made of a transparent acrylic plate, and the outer wall of the upper cover is evenly provided with a plurality of anti-slip grooves.

[0010] Preferably, the anti-counterfeiting label is made of paper and an anti-counterfeiting code is sprayed on the top of the anti-counterfeiting label. The upper and lower surfaces of the anti-counterfeiting label are respectively provided with an upper pasting area and a lower pasting area. The top of the upper pasting area is adhered to the bottom of the cover plate, and the bottom of the lower pasting area is adhered to the top of the upper sealing cover.

[0011] Preferably, the top of the anti-counterfeiting label is provided with two tear-away openings.

[0012] Preferably, an inner peripheral wall of the upper cover is provided with an internal thread, and an outer peripheral wall of the lower cover is provided with an external thread groove, and the external thread groove is threadably connected to the internal thread.

[0013] Preferably, the snap-fit sealing mechanism includes multiple annular sealing gaskets, and the multiple annular sealing gaskets are fixedly mounted on the circumferential inner wall of the upper sealing cover, an annular slot is provided between the circumferential outer wall of the wine outlet and the circumferential inner wall of the lower sealing cover, the upper sealing cover is snap-fitted in the annular slot, the circumferential outer wall of the wine outlet is provided with multiple annular sealing grooves, and the multiple annular sealing gaskets are respectively snap-fitted in the multiple annular sealing grooves, a sealing column is fixedly mounted on the top inner wall of the upper sealing cover, the bottom end of the sealing column extends into the wine outlet hole and fits with the one-way valve, and the top inner wall of the upper sealing cover is provided with an annular semicircular groove adapted to the wine outlet.

[0014] Preferably, an annular cylinder is fixedly installed on the inner wall of the inner cover, and the upper and lower ends of the annular cylinder are both conical. A sealing ball is movably arranged inside the inner cover, and multiple baffles are fixedly arranged on the inner wall of the inner cover, and the multiple baffles and the annular cylinder are adapted to the sealing ball.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] When the upper cover is rotated, due to the presence of the protective tube, the upper cover and the upper sealing cover maintain synchronous movement, which can ensure the integrity of the anti-counterfeiting label. QR codes can be set on the top and bottom of the anti-counterfeiting label. The information of the QR code on the upper side can be read before opening the cover, and the information of the QR code inside can be read after opening the upper cover. When forced destruction is required, the protective tube will be destroyed, and relative movement will inevitably occur between the upper sealing cover and the upper cover, which will cause damage to the anti-counterfeiting label and prevent the information from being tampered with. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural diagram of this embodiment;

[0018] Figure 2 This is a schematic diagram of the cross-section structure of this embodiment;

[0019] Figure 3 This is a schematic diagram of the upper cover and cover plate structure in this embodiment;

[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of the upper cover and cover plate in this embodiment;

[0021] Figure 5 for Figure 4 A in the middle is an enlarged structural diagram;

[0022] Figure 6 This is a schematic diagram of the lower cover structure in this embodiment;

[0023] Figure 7 This is a schematic diagram of the cross-sectional structure of the lower cover in this embodiment;

[0024] Figure 8 This is a schematic diagram of the structure of the inner cover, lower sealing cover, and wine spout in this embodiment;

[0025] Figure 9 This is a schematic diagram of the cross-section structure of the inner cover, lower sealing cover, and wine spout in this embodiment;

[0026] Figure 10 This is a schematic diagram of the structure of the upper sealing cover, annular sealing gasket, and sealing column in this embodiment;

[0027] Figure 11 This is a schematic diagram of the cross-section structure of the upper sealing cover, annular sealing gasket, sealing column, and anti-counterfeiting label in this embodiment;

[0028] Figure 12 Schematic diagram of the structural connection between the anti-counterfeiting label and the lower adhesive area in this embodiment.

[0029] The accompanying drawings are marked as follows: 1. Upper cover; 11. Anti-slip pattern; 12. Internal thread; 13. Trapezoidal block; 14. Slide groove; 15. Square limit rod; 16. Compression spring; 17. Limit groove; 18. Limit slider; 2. Lower cover; 21. External thread groove; 3. Inner cover; 31. Annular cylinder; 32. Sealing ball; 33. Baffle; 34. Lower sealing cover; 35. Wine spout; 36. Annular sealing groove; 38. Annular clamping groove; 39. One-way valve; 4. Cover plate; 5. Upper sealing cover; 51. Annular sealing gasket; 52. Sealing column; 53. Annular semicircular groove; 54. Anti-counterfeiting label; 541. Anti-counterfeiting code; 542. Easy-tear notch; 543. Upper pasting area; 544. Lower pasting area; 6. Protective cylinder. DETAILED DESCRIPTION

[0030] The present invention will be further described below in conjunction with specific embodiments. However, people familiar with the art should understand that the detailed description given here in conjunction with the drawings is for better explanation. The structure of the present invention necessarily exceeds these limited embodiments. For some equivalent replacement solutions or common means, they will not be described in detail herein, but they still fall within the scope of protection of this application.

[0031] Figures 1-12 The best embodiment of the present invention is shown below in conjunction with the attached Figures 1-12 The present invention is further described.

[0032] Refer to the attached Figures 1-12 , an open self-destructive tamper-proof bottle cap, comprising an upper cover 1, a lower cover 2, an inner cover 3, and a protective tube 6. An upper sealing cover 5 is movably arranged in the upper cover 1. The upper sealing cover 5 is in a stepped shape with an upper end diameter larger than a lower end diameter. The upper peripheral outer wall of the upper sealing cover 5 fits with the peripheral inner wall of the upper cover 1. The protective tube 6 is arranged in the upper cover 1, and the protective tube 6 is sleeved on the outer side of the lower part of the upper sealing cover 5 and fixed relatively thereto. A locking mechanism is provided on the peripheral inner wall of the upper cover 1 that matches the upper sealing cover 5. A mounting groove is provided on the top of the upper cover 1, and a cover plate 4 is fixedly installed in the mounting groove. The cover plate 4 and the upper sealing cover 5 is fixedly provided with an anti-counterfeiting label 54, the lower cover 2 is fixedly sleeved on the bottle mouth, the lower cover 2 is movably connected to the upper cover 1, the inner cover 3 is fixedly installed on the inner wall of the bottle mouth, the top of the inner cover 3 is at the same horizontal height as the bottle mouth, the top of the inner cover 3 is fixedly installed with a lower sealing cover 34, the outer peripheral wall of the lower sealing cover 34 is fixedly connected to the inner peripheral wall of the lower cover 2, a wine outlet hole is opened on the top inner wall of the lower sealing cover 34, a one-way valve 39 is provided in the wine outlet hole, a wine outlet nozzle 35 is fixedly installed on the top inner wall of the lower sealing cover 34, and a snap-fit sealing mechanism is commonly provided between the wine outlet nozzle 35 and the upper sealing cover 5.

[0033] With the above structure, when in use, first observe the integrity of the anti-counterfeiting label 54 through the cover plate 4, and check the authenticity of the product through the anti-counterfeiting label 54, and then rotate the upper cover 1. Due to the presence of the protective tube 6, the upper cover 1 and the upper sealing cover 5 move synchronously to avoid damage to the anti-counterfeiting label 54. Due to the presence of the protective tube 6, the anti-counterfeiting label 54 can be protected. When it is necessary to forcibly disassemble the upper cover 1, the anti-counterfeiting label 54 is torn off through the relative movement between the upper cover 1 and the upper sealing cover 5, completing the self-destruction operation.

[0034] like Figure 3 、 Figure 4 and Figure 5 As shown, the locking mechanism includes four trapezoidal blocks 13, and four sliding grooves 14 are provided on the inner wall of the peripheral side of the upper cover 1. The four trapezoidal blocks 13 are slidably installed in the four sliding grooves 14 respectively. The sides of the four trapezoidal blocks 13 that are away from each other are provided with elastic components, and the upper and lower sides of the four trapezoidal blocks 13 are provided with limiting components. Through the arrangement of multiple trapezoidal blocks 13, the upper cover 1 can drive the four trapezoidal blocks 13 to move upward synchronously during the rising process, and then drive the upper sealing cover 5 to move upward synchronously through the protective tube 6. The elastic component includes a compression spring 16, and a square limiting rod 15 is fixedly installed on the side of the sliding groove 14. A square groove is provided on the side of the trapezoidal block 13, and the square limiting rod 15 is slidably installed in the square groove. The compression spring 16 is sleeved on the peripheral outer wall of the square limiting rod 15. One end of 16 is fixedly mounted on the side inner wall of the slide groove 14, and the other end of the compression spring 16 is fixedly mounted on the side of the trapezoidal block 13. Through the setting of the compression spring 16, after the sealing cover 5 and the protective cylinder 6 are installed, the trapezoidal block 13 can be driven by the elastic action of multiple compression springs 16 to realize the reset function and extend into the limit opening on the protective cylinder 6. The limit assembly includes two limit sliders 18. The upper and lower inner walls of the slide groove 14 are provided with limit grooves 17. The two limit sliders 18 are respectively slidably mounted in the two limit grooves 17. The opposite sides of the two limit sliders 18 are respectively fixedly connected to the upper and lower sides of the trapezoidal block 13. In this way, the sliding distance of the trapezoidal block 13 can be limited by the limit slider 18, thereby preventing the trapezoidal block 13 from falling off.

[0035] Specifically, when the upper cover 1 is rotated, the cover plate 4 and the upper sealing cover 5 remain relatively stationary, so that the anti-counterfeiting label 54 will not be damaged. When the upper cover 1 and the protective tube 6 are forcibly opened, the cover plate 4 and the upper sealing cover 5 will move relative to each other, thereby destroying the anti-counterfeiting label 54.

[0036] like Figure 2 As shown, in this embodiment, the top and bottom of the anti-counterfeiting label 54 are both provided with a QR code, and the top of the anti-counterfeiting label 54 is bonded to the cover plate 4 , and the bottom of the anti-counterfeiting label 54 is bonded to the upper sealing cover 5 .

[0037] The protective cylinder 6 is arranged in the upper cover 1. The protective cylinder 6 is located at the top of the upper cover 1. A limiting opening is provided at the bottom of the protective cylinder 6. The limiting opening corresponds one-to-one to the trapezoidal block 13. The trapezoidal block 13 can be slidably inserted into the corresponding limiting opening. At the same time, a number of locking pins are provided on the top end surface of the protective cylinder 6, and a number of locking openings are provided on the bottom edge of the upper sealing cover 5. The locking pins correspond one-to-one to the locking openings and extend into the corresponding locking openings.

[0038] The trapezoidal block 13 cooperates with the upper sealing cover 5 to fix the protective tube 6 to protect the anti-counterfeiting label 54. When forced to disassemble, the protective tube 6 and the trapezoidal block 13 will rotate relative to each other. At this time, the upper cover 1 is opened again, and the upper sealing cover 5 and the upper cover 1 will rotate relative to each other, thereby destroying the anti-counterfeiting label 54 to prevent the anti-counterfeiting label 54 from being tampered with.

[0039] like Figure 1 As shown, the cover plate 4 is made of a transparent acrylic plate. This arrangement allows the anti-counterfeiting label 54 to be directly observed from the outside of the bottle cap, thereby achieving the effect of distinguishing authenticity. The outer wall of the upper cover 1 is evenly provided with multiple anti-slip grooves 11.

[0040] Specifically, by using a transparent acrylic sheet to make the cover plate 4, not only the protection is improved, but also breakage is prevented. Through the cover plate 4, the integrity of the anti-counterfeiting label 54 can be directly observed, which is convenient for authenticity identification.

[0041] like Figure 12 As shown, the anti-counterfeiting label 54 is made of paper and has an anti-counterfeiting code 541 spray-painted on its top. The top and bottom surfaces of the anti-counterfeiting label 54 are respectively provided with an upper adhesive area 543 and a lower adhesive area 544. The top of the upper adhesive area 543 is adhered to the bottom of the cover plate 4, and the bottom of the lower adhesive area 544 is adhered to the top of the upper sealing cover 5. By providing the upper adhesive area 543 and the lower adhesive area 544, the top and bottom surfaces of the anti-counterfeiting label 54 can be connected to the cover plate 4 and the upper sealing cover 5 respectively. Therefore, the different states of the two when the cover is opened can function as a self-destructive anti-counterfeiting label 54. The top of the anti-counterfeiting label 54 is provided with two easy-tear notches 542. A QR code is provided between the lower adhesive area 544 and the upper sealing cover 5, and the QR code portion is also adhered to the upper sealing cover 5.

[0042] Specifically, by connecting the upper and lower sides of the anti-counterfeiting label 54 to the cover plate 4 and the upper sealing cover 5 respectively, the anti-counterfeiting label 54 can be torn off due to the different movement states of the two during forced destruction. The setting of the easy-tear opening 542 makes it easier to tear the anti-counterfeiting label 54, and the practical effect is better.

[0043] like Figure 4 and Figure 6As shown, the inner wall of the circumference of the upper cover 1 is provided with an internal thread 12, and the outer wall of the circumference of the lower cover 2 is provided with an external thread groove 21, which is threadedly connected to the internal thread 12. Through the setting of the internal thread 12 and the external thread groove 21, the upper cover 1 and the lower cover 2 can be connected more stably.

[0044] Specifically, by providing the internal thread 12 and the external thread groove 21 , the connection between the upper cover 1 and the lower cover 2 can be made more stable, and the entire opening process is convenient and easy to operate.

[0045] like Figure 9 and Figure 11 As shown, the snap-fit sealing mechanism includes a plurality of annular sealing gaskets 51, and the plurality of annular sealing gaskets 51 are fixedly mounted on the inner wall of the circumference of the upper sealing cover 5. Specifically, the annular sealing gaskets 51 can be made of rubber material. An annular snap-fit groove 38 is provided between the outer wall of the circumference of the wine spout 35 and the inner wall of the circumference of the lower sealing cover 34. The upper sealing cover 5 is snap-fitted in the annular snap-fit groove 38. The outer wall of the circumference of the wine spout 35 is provided with a plurality of annular sealing grooves 36. The plurality of annular sealing gaskets 51 are snap-fitted in the plurality of annular sealing grooves 36, respectively. After the upper cover 1 is forcibly destroyed, the lock between the upper cover 1 and the upper sealing cover 5 will be released. Through the friction between the multiple annular sealing gaskets 51 and the multiple annular sealing grooves 36, the upper sealing cover 5 can remain stationary when the upper cover 1 rotates, thereby completing the operation of the self-destructive anti-counterfeiting label 54. A sealing column 52 is fixedly installed on the top inner wall of the upper sealing cover 5. The bottom end of the sealing column 52 extends into the wine outlet and fits with the one-way valve 39. The top inner wall of the upper sealing cover 5 is provided with an annular semicircular groove 53 that is compatible with the wine outlet 35.

[0046] In this embodiment, the sealing column 52 is also made of transparent plastic, and the QR code located on the lower side of the anti-counterfeiting label 54 is opposite to the sealing column 52 to facilitate reading the information of the QR code at the bottom.

[0047] Specifically, when the upper sealing cover 5 is fitted with the wine outlet 35, the sealing column 52 presses against the one-way valve 39, which can play a certain sealing role. At the same time, the fitting arrangement of the annular semicircular groove 53 and the wine outlet 35 can play a second sealing function. Furthermore, the arrangement of multiple annular sealing gaskets 51 and multiple annular sealing grooves 36 can play a third sealing function, thereby avoiding the phenomenon of wine leakage during storage.

[0048] like Figure 9As shown, an annular cylinder 31 is fixedly installed on the inner wall of the circumference of the inner cover 3, and the upper and lower ends of the annular cylinder 31 are both conical. A sealing ball 32 is movably arranged in the inner cover 3. Through the cooperation of the sealing ball 32 and the annular cylinder 31, the interior of the inner cover 3 can be sealed, further enhancing the sealing effect. A plurality of baffles 33 are fixedly arranged on the inner wall of the circumference of the inner cover 3, and the plurality of baffles 33 and the annular cylinder 31 are adapted to the sealing ball 32.

[0049] Specifically, through the cooperation between the sealing ball 32 and the annular cylinder 31, a certain sealing effect can be achieved when the wine bottle is in a vertical state, further enhancing the sealing effect. Moreover, through the arrangement of multiple baffles 33, it can be blocked when the wine bottle is tilted, thereby preventing the sealing ball 32 from clogging the wine outlet.

[0050] The working principle and usage process of the present invention are as follows: During the production process, the staff first adheres the lower adhesive area 544 at the bottom of the anti-counterfeiting label 54 to the top of the upper sealing cover 5, and then presses the upper sealing cover 5 into the upper cover 1. During the pressing process, the inclined surfaces of the multiple trapezoidal blocks 13 are squeezed, so that the multiple trapezoidal blocks 13 move synchronously away from the axis, thereby achieving the avoidance function. The upper sealing cover 5 is pressed until the upper adhesive area 543 at the top of the anti-counterfeiting label 54 adheres to the bottom end of the cover plate 4. When the upper sealing cover 5 releases the squeeze limit on the multiple trapezoidal blocks 13, the elastic action of the multiple compression springs 16 can drive the multiple trapezoidal blocks 13 to achieve the reset function. The protective tube 6 is then installed. The installation method of the protective tube 6 is the same as that of the upper sealing cover 5. When each trapezoidal block 13 enters the corresponding limit opening, each locking pin also enters the corresponding locking opening.

[0051] Place the upper cover 1 on top of the lower cover 2 and press the upper cover 1 downward. During the process of pressing the upper cover 1 downward, the upper sealing cover 5 is driven to move downward synchronously, so that the bottom end of the upper sealing cover 5 enters the annular groove 38, and the multiple annular sealing gaskets 51 on the inner wall of the upper sealing cover 5 are synchronously inserted into the multiple annular sealing grooves 36, realizing the first sealing function while playing a limiting function for the upper sealing cover 5. When the upper sealing cover 5 is in contact with the wine outlet 35, the annular semicircular groove 53 opened on the inner wall of the top end of the upper sealing cover 5 is in contact with the top end of the wine outlet 35, which can realize the second sealing function, and at the same time, the third sealing function is achieved through the interference between the sealing column 52 and the one-way valve 39, thereby achieving a better sealing effect.

[0052] After the consumer purchases the wine, since the cover 4 is transparent, the integrity of the anti-counterfeiting label 54 can be directly observed before opening the bottle. If the anti-counterfeiting label 54 is damaged, it means that the wine is a counterfeit product. If the anti-counterfeiting label 54 is intact, the consumer can directly scan the anti-counterfeiting code 541 to check the authenticity. The complete authenticity inspection before opening the bottle solves the problem that the product cannot be returned after opening the bottle, and effectively protects the rights and interests of consumers.

[0053] When opening the bottle, the upper cover 1 is rotated. Due to the presence of the protective tube 6, the upper sealing cover 5 moves synchronously with the upper cover 1. At this time, the upper cover 1 can be opened as a whole, and the information of the QR code at the bottom of the anti-counterfeiting label 54 can be read.

[0054] If the anti-counterfeiting label 54 is forcibly destroyed, the protective tube 6 will release the lock on the upper sealing cover 5 and the upper cover 1. At this time, relative movement occurs between the upper sealing cover 5 and the upper cover 1, causing the anti-counterfeiting label 54 to be destroyed from the easy-tear opening 542. It should be noted that relative rotation or relative axial movement between the upper sealing cover 5 and the upper cover 1 will destroy the anti-counterfeiting label 54.

[0055] The above description is merely a preferred embodiment of the present invention and does not limit the present invention in any other manner. Any person skilled in the art may utilize the above-disclosed technical content to modify or modify the present invention into equivalent embodiments. However, any simple modifications, equivalent variations, and modifications to the above embodiments that do not depart from the technical content of the present invention and are based on the technical essence of the present invention shall still fall within the scope of protection of the present invention.

Claims

1. A self-destructing tamper-proof bottle cap, comprising an upper cover (1), a lower cover (2), and an inner cover (3), characterized in that: The invention also includes a protective tube (6), an upper sealing cover (5) is movably arranged in the upper cover (1), and the upper sealing cover (5) is in a stepped shape with an upper end diameter larger than a lower end diameter. The upper peripheral outer wall of the upper sealing cover (5) is in contact with the peripheral inner wall of the upper cover (1). The protective tube (6) is arranged in the upper cover (1), and the protective tube (6) is sleeved on the outside of the lower part of the upper sealing cover (5) and fixed relatively thereto. The peripheral inner wall of the upper cover (1) is provided with a locking mechanism adapted to the upper sealing cover (5). A mounting groove is provided at the top of the upper cover (1), and a cover plate (4) is fixedly installed in the mounting groove. An anti-counterfeiting label (54) is fixedly provided between the cover plate (4) and the upper sealing cover (5). The lower cover (2) is fixedly sleeved on the bottle mouth, the lower cover (2) is movably connected to the upper cover (1), the inner cover (3) is fixedly installed on the inner wall of the bottle mouth, the top of the inner cover (3) is at the same level as the bottle mouth, the top of the inner cover (3) is fixedly installed with a lower sealing cover (34), the peripheral outer wall of the lower sealing cover (34) is fixedly connected to the peripheral inner wall of the lower cover (2), the top inner wall of the lower sealing cover (34) is provided with a wine outlet, a one-way valve (39) is provided in the wine outlet, the top inner wall of the lower sealing cover (34) is fixedly installed with a wine outlet nozzle (35), and a clamping sealing mechanism is provided between the wine outlet nozzle (35) and the upper sealing cover (5); The anti-counterfeiting label (54) is made of paper and has an anti-counterfeiting code (541) sprayed on the top. The upper and lower surfaces of the anti-counterfeiting label (54) are respectively provided with an upper pasting area (543) and a lower pasting area (544). The top of the upper pasting area (543) is adhered to the bottom of the cover plate (4), and the bottom of the lower pasting area (544) is adhered to the top of the upper sealing cover (5). The anti-counterfeiting label (54) has two tear-off notches (542) on the top. The clamping sealing mechanism includes a plurality of annular sealing gaskets (51), and the plurality of annular sealing gaskets (51) are fixedly mounted on the circumferential inner wall of the upper sealing cover (5). An annular clamping groove (38) is provided between the circumferential outer wall of the wine outlet (35) and the circumferential inner wall of the lower sealing cover (34). The upper sealing cover (5) is clamped in the annular clamping groove (38). The circumferential outer wall of the wine outlet (35) is provided with a plurality of annular sealing grooves (36). The plurality of annular sealing gaskets (51) are respectively clamped in the plurality of annular sealing grooves (36). A sealing column (52) is fixedly mounted on the top inner wall of the upper sealing cover (5). The bottom end of the sealing column (52) extends into the wine outlet hole and fits with the one-way valve (39). The top inner wall of the upper sealing cover (5) is provided with an annular semicircular groove (53) adapted to the wine outlet (35).

2. The self-destructing tamper-proof bottle cap according to claim 1, characterized in that: The locking mechanism comprises four trapezoidal blocks (13), four sliding grooves (14) are provided on the inner wall of the peripheral side of the upper cover (1), the four trapezoidal blocks (13) are respectively slidably installed in the four sliding grooves (14), the sides of the four trapezoidal blocks (13) away from each other are provided with elastic components, and the upper and lower sides of the four trapezoidal blocks (13) are provided with limiting components.

3. The self-destructing tamper-proof bottle cap according to claim 2, characterized in that: The elastic component includes a compression spring (16), a square limiting rod (15) is fixedly installed on the side of the slide groove (14), a square groove is opened on the side of the trapezoidal block (13), the square limiting rod (15) is slidably installed in the square groove, the compression spring (16) is sleeved on the outer wall of the circumference of the square limiting rod (15), one end of the compression spring (16) is fixedly installed on the inner wall of the side of the slide groove (14), and the other end of the compression spring (16) is fixedly installed on the side of the trapezoidal block (13).

4. The self-destructing tamper-proof bottle cap according to claim 2, characterized in that: The limiting assembly includes two limiting sliders (18), and limiting grooves (17) are provided on the upper and lower inner walls of the slide groove (14). The two limiting sliders (18) are respectively slidably installed in the two limiting grooves (17), and the opposite sides of the two limiting sliders (18) are respectively fixedly connected to the upper and lower sides of the trapezoidal block (13).

5. The self-destructing tamper-proof bottle cap according to claim 1, characterized in that: The cover plate (4) is made of a transparent acrylic plate, and the outer wall of the upper cover (1) is evenly provided with a plurality of anti-slip grooves (11).

6. The self-destructing tamper-proof bottle cap according to claim 1, characterized in that: The circumferential inner wall of the upper cover (1) is provided with an internal thread (12), and the circumferential outer wall of the lower cover (2) is provided with an external thread groove (21), wherein the external thread groove (21) is threadedly connected to the internal thread (12).

7. The self-destructing tamper-proof bottle cap according to claim 1, characterized in that: An annular cylinder (31) is fixedly mounted on the inner wall of the circumference of the inner cover (3), and both upper and lower ends of the annular cylinder (31) are conical. A sealing ball (32) is movably arranged in the inner cover (3), and a plurality of baffles (33) are fixedly mounted on the inner wall of the circumference of the inner cover (3), and the plurality of baffles (33) and the annular cylinder (31) are adapted to the sealing ball (32).

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