Bottle cap convenient to open and container convenient to open and close

Abstract

A bottle cap (2) convenient to open and a container convenient to open and close. The bottle cap (2) is provided with a structure that enables a lid (21) to rise by a specific height. In the case of opening and closing, the lid (21) can rise to the specific height. In the process of opening the lid (21) or closing the lid (21) onto a bottle spout, the influence of the height of the bottle spout or the height of a sealing plug on closing can be reduced or avoided, and thus it is convenient to use.

Description

Conveniently opened bottle cap and container with conveniently opened and returned cap TECHNICAL FIELD

[0001] The present application relates to a packaging container, in particular to a conveniently opened bottle cap and a container with conveniently opened and returned cap. BACKGROUND

[0002] Nowadays, the flip cap of the flip cap assembly connected with the mouth of the container often interferes with the bottle mouth or other components during the opening or returning of the cap, affecting the normal opening or returning of the cap and causing inconvenience to the user.

[0003] In addition, the bottle cap disclosed in the patent document CN219651755U and the like is a pull-open type beverage bottle cap, which is provided with a sealing plug on the inner side of the top of the flip cap. Since the sealing plug needs to have a certain height, interference occurs between the sealing plug and the bottle mouth during the opening and returning of the cap, and a large force is often needed to deform the sealing plug before the flip cap can be opened or returned to the bottle mouth, which also causes inconvenience in use.

[0004] Therefore, the present application is proposed to solve the above problems. CONTENT

[0005] The present application aims to overcome the shortcomings of the prior art and provide a conveniently opened bottle cap, which can make the flip cap rise by a certain height through a connecting belt, thereby reducing or avoiding the influence of the height of the bottle mouth or the height of the sealing plug on the returning of the cap during the opening of the flip cap or the returning of the cap to the bottle mouth, and facilitating use.

[0006] The present application also provides a container with conveniently opened and returned cap, which is provided with a structure capable of making the flip cap rise by a certain height on the bottle cap. During the opening and returning of the cap, the flip cap can rise by a certain height, which can reduce or avoid the influence of the height of the bottle mouth or the height of the sealing plug on the returning of the cap during the opening of the flip cap or the returning of the cap to the bottle mouth, and facilitate use.

[0007] The present application is achieved by the following technical solutions:

[0008] A conveniently opened bottle cap, comprising a bottle cap composed of a flip cap and a bottle cap seat, wherein the flip cap and the bottle cap seat are connected by a connecting belt, and the two sides of the connecting belt are respectively provided with a first division line and a second division line between the flip cap and the bottle cap seat; the lower end of the first division line is provided with a first tear line along the edge bottom surface of the flip cap; or, the connecting belt is located between the first division line and the second division line and is provided with a first tear line along the edge bottom surface of the flip cap; when the flip cap is opened, the connecting belt is stretched outward, increasing the distance between the flip cap and the bottle cap seat, and after the flip cap is returned, the connecting belt is contracted inward to recover.

[0009] The lower end of the second split line extends to one side of the first split line with an extension line.

[0010] The connecting band is a curved structure.

[0011] The upper end of the connecting band is located in the inner recess and connected with the flip cover, and the connecting band is inclined from the flip cover to the bottle cap seat.

[0012] The application also provides a container convenient to open and return the cap, which is shown in the following 11 schemes.

[0013] Scheme 1: comprising a bottle body and a bottle cap, the bottle mouth of the bottle body is provided with external threads, the bottle cap comprises a bottle cap seat and a flip cover, the bottle cap seat and the flip cover are connected through a connecting band, the inner wall of the flip cover is provided with internal threads matched with the external threads, at least two circumferential incisions with different heights are arranged on the connecting band, when opening, the bottle cap is rotated forward, the bottle cap moves upward, the internal threads are separated from the external threads, and then the flip cover can be opened, when opening and returning the cap, the circumferential incisions are stretched and opened to extend the connecting band, when the flip cover is returned to the position, the bottle cap is rotated reversely, the bottle cap moves downward, and the circumferential incisions are closed.

[0014] Scheme 2: comprising a bottle body and a bottle cap, the bottle mouth of the bottle body is provided with external threads, the bottle cap comprises a bottle cap seat and a flip cover, the bottle cap seat and the flip cover are connected through a connecting band, the inner wall of the flip cover is provided with internal threads matched with the external threads, the connecting band is provided with a corrugated section, when opening, the bottle cap is rotated forward, the bottle cap moves upward, the internal threads are separated from the external threads, and then the flip cover can be opened, when opening and returning the cap, the corrugated section is stretched to extend the connecting band, when the flip cover is returned to the position, the bottle cap is rotated reversely, the bottle cap moves downward, and the corrugated section is compressed.

[0015] Scheme 3: comprising a bottle body and a bottle cap, the bottle mouth of the bottle body is provided with external threads, the bottle cap comprises a bottle cap seat and a flip cover, the bottle cap seat and the flip cover are connected through a connecting band, the inner wall of the flip cover is provided with internal threads matched with the external threads, the lower end of the bottle cap seat is provided with a downward extending rebound part corresponding to the position of the connecting band, the rebound part abuts against the bottle body, when opening, the bottle cap is rotated forward, the bottle cap moves upward, the internal threads are separated from the external threads, and then the flip cover can be opened, after the internal threads are separated from the external threads, the rebound part is upward rebounded to the side of the connecting band of the bottle cap, when the flip cover is returned to the position, the bottle cap is rotated reversely, the bottle cap moves downward, and the rebound part abuts against the bottle body.

[0016] Scheme four: including bottle and bottle cap, the bottle mouth of the bottle is provided with external thread and anti-theft slot located in the lower side of the external thread, the bottle cap includes bottle cap seat and flip cover, the bottle cap seat and the flip cover are connected through connecting belt, the lower side of the bottle cap seat is provided with anti-theft ring embedded in the anti-theft slot, the inner wall of the flip cover is provided with internal thread matched with the external thread, the inner wall of the anti-theft ring is provided with first clamping position protruding inward, the first clamping position is composed of circumferential segment along the circumferential direction of the anti-theft ring and recessed segment recessed downward, the recessed segment is located below the connecting belt, when opening, the bottle cap is rotated in positive direction, the bottle cap moves upward to make the internal thread disengage from the external thread restraint, then the flip cover can be opened, when opening and returning, the flip cover is lifted upward to the recessed segment is blocked by the upper wall of the anti-theft slot, so that the flip cover moves upward a certain distance, after the flip cover is returned to position, the bottle cap is rotated in reverse direction, the recessed segment is blocked by the lower wall of the anti-theft slot.

[0017] Scheme five: including bottle and bottle cap, the bottle mouth of the bottle is provided with external thread and anti-theft slot located in the lower side of the external thread, the bottle cap includes bottle cap seat and flip cover, the bottle cap seat and the flip cover are connected through connecting belt, the lower side of the bottle cap seat is provided with anti-theft ring embedded in the anti-theft slot, the inner wall of the flip cover is provided with internal thread matched with the external thread, the inner wall of the anti-theft ring is provided with first clamping position and second clamping position protruding inward, the first clamping position is composed of circumferential segment along the circumferential direction of the anti-theft ring and recessed segment recessed downward, the recessed segment is located below the connecting belt, the second clamping position is located above the recessed segment, the second clamping position is on the same ring with the circumferential segment, when opening, the bottle cap is rotated in positive direction, the bottle cap moves upward to make the internal thread disengage from the external thread restraint, then the flip cover can be opened, after the flip cover is opened, the second clamping position moves upward to disengage from the anti-theft slot, when opening and returning, the flip cover is lifted upward to the recessed segment is blocked by the upper wall of the anti-theft slot, so that the flip cover moves upward a certain distance, after the flip cover is returned to position, the bottle cap is rotated in reverse direction, the second clamping position slides into the anti-theft slot and is blocked by the upper wall of the anti-theft slot, the recessed segment is blocked by the lower wall of the anti-theft slot.

[0018] Scheme six: including bottle and bottle cap, the bottle mouth of the bottle is provided with external thread, the bottle cap includes anti-theft ring, flip cover and connecting belt connecting the anti-theft ring and the flip cover, the inner wall of the flip cover is provided with internal thread matched with the external thread, the connecting belt is provided with corrugated segment, when opening, the bottle cap is rotated in positive direction, the bottle cap moves upward to make the internal thread disengage from the external thread restraint, then the flip cover can be opened, when opening and returning, the corrugated segment is stretched to make the connecting belt elongate, after the flip cover is returned to position, the bottle cap is rotated in reverse direction, the bottle cap moves downward to make the corrugated segment compress.

[0019] Scheme seven: including bottle and bottle cap, the bottle mouth of the bottle is provided with outer thread and anti-theft slot located in the lower side of the outer thread, the bottle cap includes bottle cap seat and flip cover, the bottle cap seat and flip cover are connected through connecting belt, the lower side of the bottle cap seat is provided with anti-theft ring embedded in the anti-theft slot, the inner wall of the flip cover is provided with inner thread matched with the outer thread, the inner wall of the anti-theft ring is provided with inwardly protruding circumferential section and second clamping position, the second clamping position is higher than the circumferential section, the second clamping position is located below the connecting belt, the lower end of the anti-theft ring corresponding to the second clamping position is provided with inwardly folded flange, when opening, the bottle cap is positively rotated, the bottle cap moves upwards to make the inner thread disengage from the outer thread restraint, then the flip cover can be opened, after the flip cover is opened, the second clamping position moves upwards to disengage from the anti-theft slot, when opening and returning the cap, the flip cover is lifted upwards to a certain distance, after the flip cover is returned to the position, the bottle cap is reversely rotated, the second clamping position slides into the anti-theft slot and is blocked by the upper wall of the anti-theft slot.

[0020] Scheme eight: including bottle and bottle cap, the bottle mouth of the bottle is provided with outer thread and anti-theft slot located in the lower side of the outer thread, the bottle cap includes bottle cap seat and flip cover, the bottle cap seat and flip cover are connected through connecting belt, the lower side of the bottle cap seat is provided with anti-theft ring embedded in the anti-theft slot, the inner wall of the flip cover is provided with inner thread matched with the outer thread, the inner wall of the anti-theft ring is provided with clamping position ring protruding inwardly, one side of the clamping position ring is inclined upwards, the highest point of the inclined upwards of the clamping position ring is located directly below the connecting belt, when opening, the bottle cap is positively rotated, the bottle cap moves upwards to make the inner thread disengage from the outer thread restraint, then the flip cover can be opened, after the flip cover is opened, the part where the highest point of the clamping position ring is located moves upwards to disengage from the anti-theft slot, when opening and returning the cap, the flip cover is lifted upwards to a certain distance, after the flip cover is returned to the position, the bottle cap is reversely rotated, the part where the highest point of the clamping position ring is located slides into the anti-theft slot and is blocked by the upper wall of the anti-theft slot.

[0021] Scheme nine: including bottle and bottle cap, the bottle mouth of the bottle is provided with outer thread and anti-theft slot located in the lower side of the outer thread, the bottle cap includes bottle cap seat and flip cover, the bottle cap seat and flip cover are connected through connecting belt, the lower side of the bottle cap seat is provided with anti-theft ring embedded in the anti-theft slot, the inner wall of the flip cover is provided with inner thread matched with the outer thread, the inner wall of the anti-theft ring is provided with clamping position ring protruding inwardly, the clamping position ring is open structure, the notch part is formed directly below the connecting belt, when opening, the bottle cap is positively rotated, the bottle cap moves upwards to make the inner thread disengage from the outer thread restraint, then the flip cover can be opened, after the flip cover is opened, the notch part moves upwards to disengage from the anti-theft slot, when opening and returning the cap, the flip cover is lifted upwards to a certain distance.

[0022] Scheme ten: including bottle and bottle cap, the bottle mouth of the bottle is provided with external thread and anti-theft slot located at the lower side of the external thread, the bottle cap includes bottle cap seat and flip cover, the bottle cap seat and the flip cover are connected through connecting belt, the lower side of the bottle cap seat is provided with anti-theft ring embedded in the anti-theft slot, the anti-theft ring is foldable structure, when the bottle cap is installed, the anti-theft ring is folded upward, the end of the anti-theft ring is combined with the top of the anti-theft slot, when the flip cover is opened, the side of the anti-theft ring close to the connecting belt is folded downward, and the lowermost end is folded to the middle-lower position of the anti-theft slot, so that the flip cover is moved upward by a certain distance.

[0023] Scheme eleven: including bottle and bottle cap, the bottle mouth of the bottle is provided with external thread and anti-theft slot located at the lower side of the external thread, the bottle cap includes bottle cap seat and flip cover, the bottle cap seat and the flip cover are connected through connecting belt, the lower side of the bottle cap seat is provided with anti-theft ring embedded in the anti-theft slot, the inner side of the anti-theft ring is provided with several circumferentially arranged buckle parts, the buckle parts are embedded in the anti-theft slot, and the top surface of the buckle parts is combined with the top of the anti-theft slot, when the flip cover is opened, the buckle parts close to the connecting belt are separated from the anti-theft slot, so that the flip cover is moved upward by a certain distance.

[0024] Further, the inner side top of the flip cover is provided with sealing plug.

[0025] The beneficial effects of the present application are: the present application is provided with structure capable of lifting the flip cover by a certain height on the bottle cap, when opening and returning the cap, the flip cover can be lifted by a certain height, and during the process of opening or returning the cap to the bottle mouth, the influence of the height of the bottle mouth or the sealing plug on the returning cap can be reduced or avoided, and the use is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0026] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings, in which:

[0027] Fig. 1 is a structural schematic diagram of scheme one in the present application.

[0028] Fig. 2 is a structural schematic diagram of the bottle cap after the circumferential cut of Fig. 1 is opened.

[0029] Fig. 3 is a structural schematic diagram of scheme two in the present application.

[0030] Fig. 4 is a structural schematic diagram of scheme three in the present application.

[0031] Fig. 5 is a structural schematic diagram of the bottle cap after being opened in Fig. 4.

[0032] Fig. 6 is a structural schematic diagram of scheme four in the present application.

[0033] Fig. 7 is a schematic view of the structure of the fifth aspect of the present application.

[0034] Fig. 8 is a cross-sectional view of the bottle cap of Fig. 7 after it has been opened.

[0035] Fig. 9 is a cross-sectional view of the bottle cap of Fig. 7 after it has been opened.

[0036] Fig. 10 is a schematic view of the structure of the sixth aspect of the present application.

[0037] Fig. 11 is a cross-sectional view of the seventh aspect of the present application.

[0038] Fig. 12 is a cross-sectional view of the eighth aspect of the present application.

[0039] Fig. 13 is a cross-sectional view of the bottle cap of Fig. 12 after it has been opened.

[0040] Fig. 14 is a schematic view of the structure of the ninth aspect of the present application.

[0041] Fig. 15 is a cross-sectional view of the tenth aspect of the present application.

[0042] Fig. 16 is a cross-sectional view of the bottle cap of Fig. 15 after it has been opened.

[0043] Fig. 17 is a cross-sectional view of the eleventh aspect of the present application.

[0044] Fig. 18 is a cross-sectional view of the bottle cap of Fig. 17 after it has been opened.

[0045] Fig. 19 is a schematic view of the structure of the bottle cap of Embodiment 1 of the present application.

[0046] Fig. 20 is a schematic view of the structure of the bottle cap of Embodiment 1 of the present application.

[0047] Fig. 21 is a schematic view of the structure of the bottle cap of Embodiment 2 of the present application.

[0048] Fig. 22 is a schematic view of the structure of the bottle cap of Embodiment 3 of the present application.

[0049] Fig. 23 is a schematic view of the structure of the bottle cap of Embodiment 3 of the present application.

[0050] Fig. 24 is a schematic view of the structure of the bottle cap of Embodiment 3 of the present application.

[0051] Fig. 25 is a schematic view of the structure of the bottle cap of Embodiment 4 of the present application.

[0052] Fig. 26 is a schematic view of the structure of the bottle cap of Embodiment 5 of the present application. DETAILED DESCRIPTION

[0053] Embodiments of the present application will now be described in detail with reference to the accompanying drawings.

[0054] The bottle cap convenient to open can refer to Figs. 19-26; the container convenient to open and return the cap can refer to 1-18.

[0055] As shown in Figs. 19 and 20, a bottle cap convenient to open, comprising a bottle cap 2 composed of a flip cover 21 and a bottle cap seat 20, characterized in that the flip cover 21 and the bottle cap seat 20 are connected by a connecting band 22, and the connecting band 22 is provided with a first division line 221 and a second division line 222 between the flip cover 21 and the bottle cap seat 20 on both sides respectively; the lower end of the first division line 221 is provided with a first tear line 223 on the edge bottom surface of the flip cover 21; when the flip cover 21 is opened, the connecting band 22 is pulled and stretched outward, increasing the distance between the flip cover 21 and the bottle cap seat 20, and the connecting band 22 is contracted inward after the flip cover 21 is returned. In Figs. 19 and 20, according to the shape of the edge bottom surface of the flip cover 21, the shape of the first tear line 223 is different.

[0056] The width, height and thickness of the connecting band 22 are associated with the material, size structure of the bottle cap 2, and under the premise of ensuring the connection strength of the connecting band 22, without affecting the difficulty of pulling and stretching the connecting band 22 outward, such as the material hardness of the bottle cap 2 is relatively high, the connection strength of the connecting band 22 is larger, the width and thickness of the connecting band 22 can be appropriately reduced, avoiding the difficulty of opening the flip cover 21.

[0057] As shown in Fig. 21, the connecting band 22 is located between the first division line 221 and the second division line 222, and is provided with a first tear line 223 on the edge bottom surface of the flip cover 21.

[0058] As shown in Figs. 22-24, the lower end of the second division line 222 extends to one side of the first division line 221 with a stretching line 224, which can further increase the degree of pulling and stretching the connecting band 22 outward, and can be adapted to any embodiment.

[0059] As shown in Fig. 25, the connecting band 22 is a curved structure, which can be only one curve or a plurality of opposite curves, such as a wave structure; the curved structure can be a left-right direction curve or a front-back direction curve, by the way of bending, when the connecting band 22 is pulled and stretched outward, the length of stretching can be further increased, which can be adapted to any embodiment.

[0060] The overall thickness of the connecting band 22 is consistent, which can also be different, such as one end is thicker and the other end is thinner, and the thickness can suddenly decrease or gradually decrease from the thicker end to the thinner end.

[0061] As shown in Figure 26, the cover 21 is provided with an inner recess, and the upper end of the connecting band 22 is connected with the cover 21 in the inner recess, so that the connecting band 22 is in an inclined structure from the cover 21 to the direction of the bottle cap seat 20. The inclined edge structure has a longer length than the straight edge structure, and the inclined structure of the connecting band 22 can further increase the degree of stretching of the connecting band 22 to the outside, and the inclined structure of the connecting band 22 can be adapted to any embodiment.

[0062] In the above schemes, the inner wall of the bottle cap 2 can be provided with an inner thread 24 for mounting on the inner thread of the bottle mouth, and can be fixed on the bottle mouth by threaded mounting; or can be fixed by pulling and inserting or other conventional methods for installing the bottle cap. The inner side of the cover 21 is provided with a sealing plug 3.

[0063] Scheme one:

[0064] As shown in Figures 1 and 2, the container of the present application is convenient to open and return the cover, which comprises a bottle body 1 and a bottle cap 2. The bottle mouth of the bottle body 1 is provided with an outer thread 11, and the bottle cap 2 comprises a bottle cap seat 20 and a cover 21. The bottle cap seat 20 and the cover 21 can be a through cut, or a dotted line or a thin-walled tear line. After opening, the tear line is torn. The bottle cap seat 20 and the cover 21 are connected by a connecting band 22. The inner wall of the cover 21 is provided with an inner thread 24 matched with the outer thread 11. The connecting band 22 is provided with at least two circumferential cuts 25 with different heights. Each circumferential cut 25 can be a continuous section or discontinuous multiple sections. When opening, the bottle cap 2 is rotated forward, and the bottle cap 2 is moved upward to make the inner thread 24 disengage from the outer thread 11, so that the cover 21 can be opened. When opening and returning the cover, the circumferential cut 25 is stretched to make the connecting band 22 elongate. The cover can be lifted to a certain height. When the cover is returned to the bottle mouth, the height of the bottle mouth or the sealing plug is reduced or avoided to affect the return of the cover, so that the cover is convenient to return. After the cover 21 is returned to the position, the bottle cap 2 is rotated in the opposite direction, and the bottle cap 2 is moved downward to make the circumferential cut 25 close. The bottle cap seat 20 of the first scheme also has an inner thread. The inner thread of the bottle cap seat 20 and the inner thread 24 of the cover 21 are continuous. By rotating and then opening, the cover 21 can be avoided to be blown off when there is gas in the bottle.

[0065] Scheme two:

[0066] As shown in Fig. 3, the container of the present application is convenient to open and return the cover, which comprises a bottle body 1 and a bottle cap 2. The bottle mouth of the bottle body 1 is provided with an outer thread 11. The bottle cap 2 comprises a bottle cap seat 20 and a flip cover 21. The bottle cap seat 20 and the flip cover 21 are connected through a connecting band 22. The inner wall of the flip cover 21 is provided with an inner thread 24 matched with the outer thread 11. The connecting band 22 is provided with a corrugated section 26. The corrugated section 26 can be located at the upper part, the middle part or the lower part of the connecting band 22. In the second scheme, the corrugated section 26 is located at the lower part of the connecting band 22. The two sides of the corrugated section 26 are disconnected (initially disconnected or laterally torn) with the bottle cap seat 20. When opening, the bottle cap 2 is positively rotated. The bottle cap 2 moves upwards so that the inner thread 24 is released from the outer thread 11 and then the flip cover 21 can be opened. When opening and returning the cover, the corrugated section 26 is stretched to extend the connecting band 22. The longer the corrugated section 26 is, the longer the connecting band 22 is extended. When the flip cover 21 is returned to the position, the bottle cap 2 is reversely rotated. The bottle cap 2 moves downwards so that the corrugated section 26 is compressed and tightly adheres to the outer wall of the bottle mouth.

[0067] Scheme three:

[0068] As shown in Fig. 4 and Fig. 5, the container of the present application is convenient to open and return the cover, which comprises a bottle body 1 and a bottle cap 2. The bottle mouth of the bottle body 1 is provided with an outer thread 11. The bottle cap 2 comprises a bottle cap seat 20 and a flip cover 21. The bottle cap seat 20 and the flip cover 21 are connected through a connecting band 22. The inner wall of the flip cover 21 is provided with an inner thread 24 matched with the outer thread 11. The lower end of the bottle cap seat 20 is provided with a rebound part 27 corresponding to the part of the connecting band 22. For the bottle cap provided with an anti-theft ring 28, the rebound part 27 can be provided at the lower end of the anti-theft ring 28 corresponding to the part of the connecting band 22. When not opened, the rebound part 27 is against the step surface of the anti-theft groove 12 of the bottle body 1 or the outer convex part of the lower end of the bottle body. When opening, the bottle cap 2 is positively rotated. The bottle cap 2 moves upwards so that the inner thread 24 is released from the outer thread 11 and then the flip cover 21 can be opened. After the inner thread 24 is released from the outer thread 11, the rebound part 27 rebounds the side of the connecting band 22 of the bottle cap 2 upwards. When the flip cover 21 is returned to the position, the bottle cap 2 is reversely rotated. The bottle cap 2 moves downwards so that the rebound part 27 is against the bottle body 1.

[0069] Scheme four:

[0070] As shown in Figure 6, the container with convenient opening and cover returning of the application comprises a bottle body 1 and a bottle cap 2, the bottle mouth of the bottle body 1 is provided with an outer thread 11 and an anti-theft groove 12 located at the lower side of the outer thread 11, the bottle cap 2 comprises a bottle cap seat 20 and a flip cover 21, the bottle cap seat 20 and the flip cover 21 are connected through a connecting belt 22, the lower side of the bottle cap seat 20 is provided with an anti-theft ring 28 embedded in the anti-theft groove 12, the inner wall of the flip cover 21 is provided with an inner thread 24 matched with the outer thread 11, the inner wall of the anti-theft ring 28 is provided with a first clamping position protruding inward, the first clamping position is composed of a circumferential segment 290 along the circumferential direction of the anti-theft ring 28 and a recessed segment 291 recessed downward, the recessed segment 291 is located below the connecting belt 22, when opening, the bottle cap 2 is rotated forward, the bottle cap 2 moves upward to make the inner thread 24 disengage from the outer thread 11 restraint, then the flip cover 21 can be opened, when opening and returning, the flip cover 21 is lifted upward to the recessed segment 291 is blocked by the upper wall of the anti-theft groove 12, so that the flip cover 21 moves upward by a certain distance, after the flip cover 21 is returned to the position, the bottle cap 2 is reversely rotated, the lower wall of the anti-theft groove 12 blocks the recessed segment 291, the recessed segment 291 moves in the anti-theft groove 12 and does not disengage from the anti-theft groove 12.

[0071] Scheme five:

[0072] As shown in FIGS. 7-9, the container of the present application is convenient to open and cover, which comprises a bottle body 1 and a bottle cap 2. The bottle mouth of the bottle body 1 is provided with an outer thread 11 and an anti-theft groove 12 located at the lower side of the outer thread 11. The bottle cap 2 comprises a bottle cap seat 20 and a flip cover 21, which are connected by a connecting belt 22. The lower side of the bottle cap seat 20 is provided with an anti-theft ring 28 embedded in the anti-theft groove 12. The inner wall of the flip cover 21 is provided with an inner thread 24 matched with the outer thread 11. The inner wall of the anti-theft ring 28 is provided with a first clamping position and a second clamping position 292 protruding inward. The first clamping position is composed of a circumferential segment 290 along the circumferential direction of the anti-theft ring 28 and a recessed segment 291 downwardly recessed. The recessed segment 291 is located below the connecting belt 22. The second clamping position 292 is located at the upper side of the recessed segment 291. The second clamping position 292 is not connected with the circumferential segment 290 and the recessed segment 291. The second clamping position 292 is on the same circular ring as the circumferential segment 290. When opening, the bottle cap 2 is rotated forward. The bottle cap 2 moves upward to make the inner thread 24 disengage from the outer thread 11, and then the flip cover 21 can be opened. After the flip cover 21 is opened, the second clamping position 292 moves upward to disengage from the anti-theft groove 12. When opening and covering, the flip cover 21 is lifted upward to the position where the recessed segment 291 is blocked by the upper wall of the anti-theft groove 12, so that the flip cover 21 moves upward by a certain distance. After the flip cover 21 is covered in place, the bottle cap 2 is rotated reversely. The second clamping position 292 slides into the anti-theft groove 12 and is blocked by the upper wall of the anti-theft groove 12. The recessed segment 291 is blocked by the lower wall of the anti-theft groove 12.

[0073] Scheme six:

[0074] As shown in FIG. 10, the container of the present application is convenient to open and cover, which comprises a bottle body 1 and a bottle cap 2. The bottle mouth of the bottle body 1 is provided with an outer thread 11. The bottle cap 2 comprises an anti-theft ring 28, a flip cover 21 and a connecting belt 22 connecting the anti-theft ring 28 and the flip cover 21. The inner wall of the flip cover 21 is provided with an inner thread 24 matched with the outer thread 11. The connecting belt 22 is provided with a corrugated segment 26. When opening, the bottle cap 2 is rotated forward. The bottle cap 2 moves upward to make the inner thread 24 disengage from the outer thread 11, and then the flip cover 21 can be opened. When opening and covering, the corrugated segment 26 is stretched to elongate the connecting belt 22. After the flip cover 21 is covered in place, the bottle cap 2 is rotated reversely. The bottle cap 2 moves downward to compress the corrugated segment 26.

[0075] Scheme seven:

[0076] As shown in Fig. 11, the container of the present application is convenient to open and return the cover, which comprises a bottle body 1 and a bottle cap 2. The bottle mouth of the bottle body 1 is provided with external threads 11 and a theftproof groove 12 located at the lower side of the external threads 11. The bottle cap 2 comprises a bottle cap seat 20 and a flip cover 21, and the bottle cap seat 20 and the flip cover 21 are connected through a connecting belt 22. The lower side of the bottle cap seat 20 is provided with a theftproof ring 28 embedded in the theftproof groove 12. The inner wall of the flip cover 21 is provided with internal threads 24 matched with the external threads 11. The inner wall of the theftproof ring 28 is provided with a circumferential section 290 protruding inward and a second clamping position 292. The second clamping position 292 is higher than the circumferential section 290, and the second clamping position 292 is located below the connecting belt 22. The lower end of the theftproof ring 28 corresponding to the second clamping position 292 is provided with a flip edge 293 folded inward. When opening, the bottle cap 2 is rotated forward. The bottle cap 2 moves upward to make the internal threads 24 disengage from the external threads 11, and then the flip cover 21 can be opened. After the flip cover 21 is opened, the second clamping position 292 moves upward to disengage from the theftproof groove 12. When opening and returning the cover, the flip cover 21 is lifted upward to a certain distance, and the flip edge 293 is blocked by the upper wall of the theftproof groove 12, so that the flip cover 21 moves upward by a certain distance. After the flip cover 21 is returned to the position, the bottle cap 2 is reversely rotated, the second clamping position 292 slides into the theftproof groove 12, and is blocked by the upper wall of the theftproof groove 12.

[0077] Scheme eight:

[0078] As shown in Fig. 12 and Fig. 13, the container of the present application is convenient to open and return the cover, which comprises a bottle body 1 and a bottle cap 2. The bottle mouth of the bottle body 1 is provided with external threads 11 and a theftproof groove 12 located at the lower side of the external threads 11. The bottle cap 2 comprises a bottle cap seat 20 and a flip cover 21, and the bottle cap seat 20 and the flip cover 21 are connected through a connecting belt 22. The lower side of the bottle cap seat 20 is provided with a theftproof ring 28 embedded in the theftproof groove 12. The inner wall of the flip cover 21 is provided with internal threads 24 matched with the external threads 11. The inner wall of the theftproof ring 28 is provided with a clamping position ring 294 protruding inward. One side of the clamping position ring 294 is inclined upward, and the highest point of the inclined upward of the clamping position ring 294 is located directly below the connecting belt 22. When opening, the bottle cap 2 is rotated forward. The bottle cap 2 moves upward to make the internal threads 24 disengage from the external threads 11, and then the flip cover 21 can be opened. After the flip cover 21 is opened, the highest point of the clamping position ring 294 moves upward to disengage from the theftproof groove 12. When opening and returning the cover, the flip cover 21 is lifted upward to a certain distance, and the flip cover 21 moves upward by a certain distance. After the flip cover 21 is returned to the position, the bottle cap 2 is reversely rotated, the highest point of the clamping position ring 294 slides into the theftproof groove 12, and is blocked by the upper wall of the theftproof groove 12.

[0079] Scheme nine:

[0080] As shown in Fig. 14, the container of the present application is convenient to open and return the cover, which comprises a bottle body 1 and a bottle cap 2. The bottle mouth of the bottle body 1 is provided with external threads 11 and a theftproof groove 12 located at the lower side of the external threads 11. The bottle cap 2 comprises a bottle cap seat 20 and a flip cover 21, which are connected by a connecting band 22. The lower side of the bottle cap seat 20 is provided with a theftproof ring 28 embedded in the theftproof groove 12. The inner wall of the flip cover 21 is provided with internal threads 24 matched with the external threads 11. The inner wall of the theftproof ring 28 is provided with a clamping ring 294 protruding inward. The clamping ring 294 is an open structure, and a notch part 295 is formed directly below the connecting band 22. The notch part 295 is about one third of a circular arc. When opening, the bottle cap 2 is rotated forward. The bottle cap 2 moves upward to make the internal threads 24 disengage from the external threads 11, and then the flip cover 21 can be opened. After the flip cover 21 is opened, the notch part 295 moves upward to disengage from the theftproof groove 12. When opening and returning the cover, the flip cover 21 is lifted upward to move a certain distance.

[0081] Scheme ten:

[0082] As shown in Figs. 15 and 16, the container of the present application is convenient to open and return the cover, which comprises a bottle body 1 and a bottle cap 2. The bottle mouth of the bottle body 1 is provided with external threads 11 and a theftproof groove 12 located at the lower side of the external threads 11. The bottle cap 2 comprises a bottle cap seat 20 and a flip cover 21, which are connected by a connecting band 22. The lower side of the bottle cap seat 20 is provided with a theftproof ring 28 embedded in the theftproof groove 12. The theftproof ring 28 is a foldable structure. The theftproof ring 28 can be a whole ring structure or an intermittent structure, but it is necessary to ensure that the side close to the connecting band 22 and the side away from the connecting band 22 are both provided with the theftproof ring 28. When the bottle cap 2 is installed, the theftproof ring 28 is folded upward. The end of the theftproof ring 28 abuts against the top of the theftproof groove 12. After the flip cover 21 is opened, the side of the theftproof ring 28 close to the connecting band 22 is folded downward, and the lowermost end is folded to the middle-lower position of the theftproof groove 12. The other side of the theftproof ring 28 can remain unchanged (as shown in Fig. 16A), so that the flip cover 21 moves a certain distance upward. When the bottle cap 2 is tightened again, the theftproof ring 28 will be folded upward and reset. The side of the theftproof ring 28 folded and the side not folded are provided with structures such as ribs and buckles to avoid the whole folded edge being folded upward, which leads to the situation that the folded edge cannot be folded downward.

[0083] Scheme eleven:

[0084] As shown in FIG. 17 and 18, the container with convenient opening and cover returning of the application comprises a bottle body 1 and a bottle cap 2, the bottle mouth of the bottle body 1 is provided with an outer thread 11 and an anti-theft groove 12 located at the lower side of the outer thread 11, the bottle cap 2 comprises a bottle cap seat 20 and a flip cover 21, the bottle cap seat 20 and the flip cover 21 are connected through a connecting band 22, the lower side of the bottle cap seat 20 is provided with an anti-theft ring 28 embedded in the anti-theft groove 12, the inner side of the anti-theft ring 28 is provided with a plurality of circumferentially arranged buckle parts 281, it is necessary to ensure that the side close to the connecting band 22 and the side away from the connecting band 22 are both provided with the buckle parts 281, the buckle parts 281 are embedded in the anti-theft groove 12, and the top surface of the buckle parts 281 abuts against the top of the anti-theft groove 12, after the flip cover 21 is opened, the buckle parts 281 close to the connecting band 22 are separated from the anti-theft groove 12, and the buckle parts 281 on the other side remain unchanged (as shown in FIG. 18B), so that the flip cover 21 moves upward by a certain distance.

[0085] In this embodiment, the chamfer of the buckle parts 281 is small, which improves the difficulty of natural falling of the buckle parts 281 due to the factors such as the rebound force of the anti-theft ring 28 itself, so that the buckle parts 281 are not easy to fall down, and after the bottle cap 2 is tightened again, the buckle parts 281 can be pressed into the anti-theft groove 12 again.

[0086] The overall concept of the application is to provide a structure on the bottle cap which can make the flip cover rise by a certain height, when opening and returning the cap, the flip cover rises by a certain height, which reduces or avoids the influence of the height of the bottle mouth or the height of the sealing plug on the returning of the cap, and facilitates use; based on the above structure which can make the flip cover rise by a certain height, the inner top of the flip cover 21 is provided with a sealing plug 3, which can be inserted into the bottle mouth after being closed, so as to play a sealing role.

Claims

1. A bottle cap that is easy to open, comprising a bottle cap (2) consisting of a flipper (21) and a bottle cap seat (20), characterized in that The flip cover (21) and the bottle cap seat (20) are connected by a connecting band (22), and first and second split lines (221) and (222) are arranged on both sides of the connecting band (22) between the flip cover (21) and the bottle cap seat (20); A first tear line (223) is arranged on the lower end of the first split line (221) and extends along the edge bottom surface of the flip cover (21); Or, the connecting band (22) is arranged between the first split line (221) and the second split line (222) and extends along the edge bottom surface of the flip cover (21) and is provided with a first tear line (223); When the flip cover (21) is opened, the connecting band (22) is pulled outward and stretched, thereby increasing the distance between the flip cover (21) and the bottle cap seat (20), and after the flip cover (21) is closed, the connecting band (22) is retracted inward and restored.

2. The bottle cap of claim 1, wherein The lower end of the second split line (222) extends to one side of the first split line (221) and is provided with a stretch line (224).

3. The bottle cap of claim 1, wherein The connecting band (22) is in a curved structure.

4. A bottle cap according to any one of claims 1-3, characterized in that The flip cover (21) is provided with an inner recess, the upper end of the connecting band (22) is arranged in the inner recess and connected to the flip cover (21), and the connecting band (22) is in an inclined structure from the flip cover (21) to the bottle cap seat (20).

5. A container which is easy to open and reclose, comprising a bottle body (1) and a bottle cap (2), the bottle mouth of the bottle body (1) is provided with an outer thread (11), the bottle cap (2) comprises a bottle cap seat (20) and a flip cover (21), the bottle cap seat (20) and the flip cover (21) are connected through a connecting belt (22), the inner wall of the flip cover (21) is provided with an inner thread (24) matched with the outer thread (11), and / or the inner side top of the flip cover (21) is provided with a sealing plug (3), characterized in that The connecting band (22) is provided with at least two circumferential incisions (25) with different heights, the bottle cap (2) is rotated forward when being opened, the inner thread (24) is separated from the outer thread (11) after the bottle cap (2) is moved upward, and then the flip cover (21) can be opened, the circumferential incisions (25) are stretched and opened when the bottle cap (2) is opened and closed, the connecting band (22) is elongated, the bottle cap (2) is rotated reversely after the flip cover (21) is closed, the circumferential incisions (25) are closed after the bottle cap (2) is moved downward.

6. A container which is easy to open and reclose, comprising a bottle body (1) and a bottle cap (2), the bottle mouth of the bottle body (1) is provided with an outer thread (11), the bottle cap (2) comprises a bottle cap seat (20) and a flip cover (21), the bottle cap seat (20) and the flip cover (21) are connected through a connecting belt (22), the inner wall of the flip cover (21) is provided with an inner thread (24) matched with the outer thread (11), and / or the inner side top of the flip cover (21) is provided with a sealing plug (3), characterized in that The connecting band (22) is provided with a corrugated section (26), the bottle cap (2) is rotated forward when being opened, the inner thread (24) is separated from the outer thread (11) after the bottle cap (2) is moved upward, and then the flip cover (21) can be opened, the corrugated section (26) is stretched when the bottle cap (2) is opened and closed, the connecting band (22) is elongated, the bottle cap (2) is rotated reversely after the flip cover (21) is closed, and the corrugated section (26) is compressed after the bottle cap (2) is moved downward.

7. A container which is easy to open and reclose, comprising a bottle body (1) and a bottle cap (2), the bottle mouth of the bottle body (1) is provided with an outer thread (11), the bottle cap (2) comprises a bottle cap seat (20) and a flip cover (21), the bottle cap seat (20) and the flip cover (21) are connected through a connecting belt (22), the inner wall of the flip cover (21) is provided with an inner thread (24) matched with the outer thread (11), and / or the inner side top of the flip cover (21) is provided with a sealing plug (3), characterized in that The lower end of the bottle cap seat (20) is provided with a downward extending rebound part (27) corresponding to the position of the connecting band (22), the rebound part (27) abuts against the bottle body (1), the bottle cap (2) is rotated forward when being opened, the inner thread (24) is separated from the outer thread (11) after the bottle cap (2) is moved upward, and then the flip cover (21) can be opened, the rebound part (27) is upwardly bounced on one side of the connecting band (22) of the bottle cap (2) after the inner thread (24) is separated from the outer thread (11), the bottle cap (2) is rotated reversely after the flip cover (21) is closed, and the rebound part (27) abuts against the bottle body (1) after the bottle cap (2) is moved downward.

8. A container which is convenient to open and to return the cap, comprising a bottle body (1) and a bottle cap (2), the bottle mouth of the bottle body (1) is provided with an outer thread (11) and a theft-proof groove (12) located at the lower side of the outer thread (11), the bottle cap (2) comprises a bottle cap seat (20) and a flip cover (21), the bottle cap seat (20) and the flip cover (21) are connected through a connecting belt (22), the lower side of the bottle cap seat (20) is provided with a theft-proof ring (28) embedded in the theft-proof groove (12), the inner wall of the flip cover (21) is provided with an inner thread (24) matched with the outer thread (11), and / or the inner side top of the flip cover (21) is provided with a sealing plug (3), characterized in that The inner wall of the anti-theft ring (28) is provided with a first clamping position protruding inwardly, which is composed of a circumferential segment (290) along the circumferential direction of the anti-theft ring (28) and a recessed segment (291) recessed downwardly, and the recessed segment (291) is located below the connecting band (22). When opening, the bottle cap (2) is rotated forwardly, and the bottle cap (2) moves upwardly to make the inner thread (24) disengage from the outer thread (11) to open the flip cover (21). When opening and closing, the flip cover (21) is lifted upwardly to the recessed segment (291) which is blocked by the upper wall of the anti-theft groove (12), so that the flip cover (21) moves upwardly by a certain distance. After the flip cover (21) is closed in place, the bottle cap (2) is rotated reversely, and the lower wall of the anti-theft groove (12) blocks the recessed segment (291).

9. A container which is convenient to open and to return the cap, comprising a bottle body (1) and a bottle cap (2), the bottle mouth of the bottle body (1) is provided with an outer thread (11) and a theft-proof groove (12) located at the lower side of the outer thread (11), the bottle cap (2) comprises a bottle cap seat (20) and a flip cover (21), the bottle cap seat (20) and the flip cover (21) are connected through a connecting belt (22), the lower side of the bottle cap seat (20) is provided with a theft-proof ring (28) embedded in the theft-proof groove (12), the inner wall of the flip cover (21) is provided with an inner thread (24) matched with the outer thread (11), and / or the inner side top of the flip cover (21) is provided with a sealing plug (3), characterized in that The inner wall of the anti-theft ring (28) is provided with a first clamping position protruding inwardly, which is composed of a circumferential segment (290) along the circumferential direction of the anti-theft ring (28) and a recessed segment (291) recessed downwardly, and the recessed segment (291) is located below the connecting band (22). The second clamping position (292) is located above the recessed segment (291), and the second clamping position (292) is on the same ring as the circumferential segment (290). When opening, the bottle cap (2) is rotated forwardly, and the bottle cap (2) moves upwardly to make the inner thread (24) disengage from the outer thread (11) to open the flip cover (21). After the flip cover (21) is opened, the second clamping position (292) moves upwardly to disengage from the anti-theft groove (12). When opening and closing, the flip cover (21) is lifted upwardly to the recessed segment (291) which is blocked by the upper wall of the anti-theft groove (12), so that the flip cover (21) moves upwardly by a certain distance. After the flip cover (21) is closed in place, the bottle cap (2) is rotated reversely, and the second clamping position (292) slides into the anti-theft groove (12) and is blocked by the upper wall of the anti-theft groove (12). The recessed segment (291) is blocked by the lower wall of the anti-theft groove (12).

10. A container which is easy to open and reclose, comprising a bottle body (1) and a bottle cap (2), the bottle mouth of the bottle body (1) is provided with an outer thread (11), the bottle cap (2) comprises a theft-proof ring (28), a flip cover (21) and a connecting band (22) connecting the theft-proof ring (28) and the flip cover (21), the inner wall of the flip cover (21) is provided with an inner thread (24) matched with the outer thread (11), and / or the inner side top of the flip cover (21) is provided with a sealing plug (3), characterized in that The connecting band (22) is provided with a corrugated segment (26). When opening, the bottle cap (2) is rotated forwardly, and the bottle cap (2) moves upwardly to make the inner thread (24) disengage from the outer thread (11) to open the flip cover (21). When opening and closing, the corrugated segment (26) is stretched to elongate the connecting band (22). After the flip cover (21) is closed in place, the bottle cap (2) is rotated reversely, and the bottle cap (2) moves downwardly to compress the corrugated segment (26).

11. A container which is convenient to open and to return the cap, comprising a bottle body (1) and a bottle cap (2), the bottle mouth of the bottle body (1) is provided with an outer thread (11) and a theft-proof groove (12) located at the lower side of the outer thread (11), the bottle cap (2) comprises a bottle cap seat (20) and a flip cover (21), the bottle cap seat (20) and the flip cover (21) are connected through a connecting belt (22), the lower side of the bottle cap seat (20) is provided with a theft-proof ring (28) embedded in the theft-proof groove (12), the inner wall of the flip cover (21) is provided with an inner thread (24) matched with the outer thread (11), and / or the inner side top of the flip cover (21) is provided with a sealing plug (3), characterized in that The inner wall of the anti-theft ring (28) is provided with an inwardly protruding circumferential section (290) and a second clamping position (292), the second clamping position (292) is higher than the circumferential section (290), the second clamping position (292) is located below the connecting band (22), the lower end of the anti-theft ring (28) corresponding to the second clamping position (292) is provided with an inwardly folded flange (293), when opening, the bottle cap (2) is rotated in the positive direction, the bottle cap (2) moves upward to make the inner thread (24) disengage from the outer thread (11) restraint, then the cover (21) can be opened, after the cover (21) is opened, the second clamping position (292) moves upward to disengage from the anti-theft groove (12), when opening and closing, the cover (21) is lifted upward to a certain distance, the flange (293) is blocked by the upper wall of the anti-theft groove (12), the cover (21) moves upward a certain distance, after the cover (21) is closed in place, the bottle cap (2) is rotated in the reverse direction, the second clamping position (292) slides into the anti-theft groove (12) and is blocked by the upper wall of the anti-theft groove (12).

12. A container which is convenient to open and reclose, comprising a bottle body (1) and a bottle cap (2), the bottle mouth of the bottle body (1) is provided with an outer thread (11) and a theftproof groove (12) located at the lower side of the outer thread (11), the bottle cap (2) comprises a bottle cap seat (20) and a flip cover (21), the bottle cap seat (20) and the flip cover (21) are connected through a connecting belt (22), the lower side of the bottle cap seat (20) is provided with a theftproof ring (28) embedded in the theftproof groove (12), and / or the inner wall of the flip cover (21) is provided with an inner thread (24) matched with the outer thread (11), the inner side top of the flip cover (21) is provided with a sealing plug (3), characterized in that The inner wall of the anti-theft ring (28) is provided with an inwardly protruding clamping ring (294), one side of the clamping ring (294) is inclined upward, the highest point of the inclined upward of the clamping ring (294) is located directly below the connecting band (22), when opening, the bottle cap (2) is rotated in the positive direction, the bottle cap (2) moves upward to make the inner thread (24) disengage from the outer thread (11) restraint, then the cover (21) can be opened, after the cover (21) is opened, the highest point of the clamping ring (294) moves upward to disengage from the anti-theft groove (12), when opening and closing, the cover (21) is lifted upward to a certain distance, the cover (21) moves upward a certain distance, after the cover (21) is closed in place, the bottle cap (2) is rotated in the reverse direction, the highest point of the clamping ring (294) slides into the anti-theft groove (12) and is blocked by the upper wall of the anti-theft groove (12).

13. A container which is convenient to open and to return the cap, comprising a bottle body (1) and a bottle cap (2), the bottle mouth of the bottle body (1) is provided with an outer thread (11) and a theft-proof groove (12) located at the lower side of the outer thread (11), the bottle cap (2) comprises a bottle cap seat (20) and a flip cover (21), the bottle cap seat (20) and the flip cover (21) are connected through a connecting belt (22), the lower side of the bottle cap seat (20) is provided with a theft-proof ring (28) embedded in the theft-proof groove (12), the inner wall of the flip cover (21) is provided with an inner thread (24) matched with the outer thread (11), and / or the inner side top of the flip cover (21) is provided with a sealing plug (3), characterized in that The inner wall of the anti-theft ring (28) is provided with an inwardly protruding clamping ring (294), the clamping ring (294) is an open structure, a notch portion (295) is formed directly below the connecting band (22), when opening, the bottle cap (2) is rotated in the positive direction, the bottle cap (2) moves upward to make the inner thread (24) disengage from the outer thread (11) restraint, then the cover (21) can be opened, after the cover (21) is opened, the notch portion (295) moves upward to disengage from the anti-theft groove (12), when opening and closing, the cover (21) is lifted upward to a certain distance.

14. A container which is convenient to open and return the cap, comprising a bottle body (1) and a bottle cap (2), the bottle mouth of the bottle body (1) is provided with an outer thread (11) and a theft-proof groove (12) located below the outer thread (11), the bottle cap (2) comprises a bottle cap seat (20) and a flip cover (21), the bottle cap seat (20) and the flip cover (21) are connected through a connecting belt (22), the lower side of the bottle cap seat (20) is provided with a theft-proof ring (28) embedded in the theft-proof groove (12), and / or the inner side top of the flip cover (21) is provided with a sealing plug (3), characterized in that The anti-theft ring (28) is a foldable structure, when the bottle cap (2) is installed, the anti-theft ring (28) is folded upward, the end of the anti-theft ring (28) is abutted with the top of the anti-theft groove (12), after the cover (21) is opened, the side of the anti-theft ring (28) close to the connecting band (22) is folded downward, and the lowermost end is folded to the middle and lower position of the anti-theft groove (12), so that the cover (21) is moved upward by a distance.

15. A container which is convenient to open and return the cap, comprising a bottle body (1) and a bottle cap (2), the bottle mouth of the bottle body (1) is provided with an outer thread (11) and a theft-proof groove (12) located below the outer thread (11), the bottle cap (2) comprises a bottle cap seat (20) and a flip cover (21), the bottle cap seat (20) and the flip cover (21) are connected through a connecting belt (22), the lower side of the bottle cap seat (20) is provided with a theft-proof ring (28) embedded in the theft-proof groove (12), and / or the inner side top of the flip cover (21) is provided with a sealing plug (3), characterized in that The anti-theft ring (28) is a foldable structure, when the bottle cap (2) is installed, the anti-theft ring (28) is folded upward, the end of the anti-theft ring (28) is abutted with the top of the anti-theft groove (12), after the cover (21) is opened, the side of the anti-theft ring (28) close to the connecting band (22) is folded downward, and the lowermost end is folded to the middle and lower position of the anti-theft groove (12), so that the cover (21) is moved upward by a distance.

Images