The application is a divisional application of patent applications with the application number of 201610479520.4, the application date of 2016, 6 and 24 days, and the invention name of 'a two-color or multi-color anti-counterfeiting bottle cap applied to liquid packaging'.
Disclosure of Invention
The invention aims to provide a bottle cap applied to liquid packaging, which comprises a bottle cap body, wherein the bottle cap body comprises:
the base comprises an outer base and an inner base, and the lower end of the outer base is inwards slightly inclined; and
and the box cover is opened and is connected with the base.
In some embodiments, the base is a bi-colored base, the outer base and the inner base being different colors.
In some embodiments, the inner base is formed on the outer base inner wall and intersects the outer base.
In some embodiments, the outer base, the inner base and the box opening cover are made of different materials and are integrally injection-molded through the same mold.
In some embodiments, the outer chassis is formed of a hard material and the inner chassis is formed of a flexible material.
In some embodiments, the lower end of the inner base is higher than the lower end of the outer base.
In some embodiments, the outer base lower end inner wall is provided with intermittent protrusions.
In some embodiments, the outer base is connected to the open cover, the outer base is provided with a fastening position fastened with the open cover, and the open cover and the outer base are made of the same material.
In some embodiments, the inner base comprises an outer sealing ring and an inner sealing ring, the upper ends of the outer sealing ring and the inner sealing ring are integrally connected to form an end face, the end face is provided with an arc-shaped liquid guide opening upwards, and one face, facing the bottle opening, of the box opening cover is provided with the inner ring buckled with the arc-shaped liquid guide opening.
In some embodiments, a hydrophobic and oleophobic surface layer is sprayed on the surface from the inner wall of the circular arc-shaped liquid guide port to the end face of the sealing bottle opening formed by the inner wall of the inner sealing ring.
In some embodiments, the inner base comprises an outer sealing ring and an inner sealing ring, the outer sealing ring is used for sealing with the outer wall of the bottle mouth, and the inner wall of the outer sealing ring is provided with at least one retaining ring for firmly retaining the bottle cap body on the bottle.
In some embodiments, the inner base comprises an outer sealing ring and an inner sealing ring, the inner wall of the inner sealing ring is formed with an end face for sealing the bottle mouth, a pull ring type liquid pouring hole is arranged on the end face, the pull ring type liquid pouring hole is sealed by a pull ring, the pull ring comprises a pulling part and a pull ring sheet, the pull ring sheet is used for sealing the pull ring type liquid pouring hole and is a easy-to-tear sealing sheet, and the pulling part is formed on the pull ring sheet and is used for pulling and uncovering the pull ring sheet.
Based on the bottle cap applied to liquid packaging, the lower end of the outer base of the bottle cap body is slightly inclined inwards, so that the outer base is more tightly matched with the bottle opening and is not easy to pry open after being matched.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Detailed Description
The invention provides a double-color or multi-color anti-counterfeiting bottle cap applied to liquid packaging, which is formed by double-color or multi-color injection molding, so that the anti-counterfeiting function is further improved when a manufacturer performs anti-counterfeiting, and the use functionality of a consumer is improved, thereby being convenient for the consumer to use.
The utility model provides a be applied to double-colored or polychrome anti-fake bottle lid of liquid packaging, includes the bottle lid body, the bottle lid body includes the base and the box cover of opening of being connected with the base, the base is double-colored base, outer base and interior base including the colour is different, outer base is cyclic annular, and interior base shaping is in outer base inner wall and with outer base intercrossing each other, outer base, interior base and the box cover of opening are different materials through the integrative injection moulding of same mould.
The outer base is made of hard materials, and the inner base is made of flexible materials.
The outer base is connected with the box opening cover, and a buckling position buckled with the box opening cover is arranged on the outer base.
The inner base comprises an outer sealing ring and an inner sealing ring, the upper ends of the outer sealing ring and the inner sealing ring are integrally connected to form an end face, a circular arc-shaped liquid guide port is formed in the end face upwards, and the circular arc-shaped liquid guide port mainly has the function of sealing with the box opening cover.
The inner wall of the inner sealing ring is formed with an end face for sealing a bottle opening, a pull ring type liquid pouring hole is formed in the end face and sealed through a pull ring, the pull ring comprises a lifting portion and a pull ring piece, the pull ring piece is used for sealing the pull ring type liquid pouring hole and is an easy-to-tear type sealing piece, the lifting portion is formed on the pull ring piece and used for lifting and uncovering the pull ring piece, and the pull ring piece is in a kettle type water drop shape.
The end face is an inclined end face, so that residual liquid can flow back conveniently.
The lifting part is in a circular ring shape, and the inner wall of the lifting part is provided with anti-skidding lines, so that the lifting part is convenient for consumers to hook and pull and is comfortable.
The box opening cover is connected with the base through the connecting part, the connecting part is in a butterfly knot shape when the box opening cover and the base are in a separated state, and the butterfly knot-shaped connecting part provides enough rigidity to enable the box opening cover and the base to be opened and closed back and forth and to be tightly matched;
the side of the box opening cover facing the bottle opening is provided with an inner ring buckled with the arc-shaped liquid guide opening, so that the secondary sealing effect of the pull ring type liquid pouring hole is achieved, and the risk of liquid leakage caused by accidental instant lying is avoided.
The inner wall of the lower end of the outer base is further provided with intermittent protruding parts, and the protruding parts form a secondary snap ring of the outer base to the bottle opening, so that the outer base can be better and firmly buckled on the bottle opening.
The double-color or multi-color anti-counterfeiting bottle cap applied to liquid packaging is a double-color cap or a multi-color cap, the cap can be formed by injection molding of two or more different materials at one time, the different materials can be PP/PE/TPE and the like, and different materials can be selected according to different functions (such as sealing function and the like) of the cap; in addition, double-color or multi-color injection molding can increase the anti-counterfeiting function of the product by designing different structures and realize different structural functions of the cover.
The double-color or multi-color anti-counterfeiting bottle cap applied to liquid packaging is formed by one-time injection molding, compared with an assembled multi-color cap, the double-color or multi-color anti-counterfeiting bottle cap has the advantages of low production cost and strong cap functionality, is not easy to have loose structure or fall off in use, simultaneously, the difficulty of mold manufacturing and process is improved due to the mutual intersection of double colors, and an anti-counterfeiting threshold with a certain degree is also created, so that a imitator cannot realize the anti-counterfeiting bottle cap by a simple process or assembly.
The invention is further illustrated with reference to the accompanying drawings and specific examples.
Referring to fig. 1 to 5, a bottle cap for liquid packaging comprises a bottle cap body, the bottle cap body comprises a base and a box opening cover 3 connected with the base, the base comprises an outer base 1 and an inner base 2, the outer base 1, the inner base 2 and the box opening cover 3 are integrally formed by a same mold, wherein the outer base 1 is connected with the box opening cover, the outer base 1 is provided with a buckling position 11 buckled with the box opening cover 3, the buckling position 11 enables the box opening cover 3 to be freely opened and closed, the outer base 1 is in a ring shape, the inner base 2 is formed on an inner wall 13 of the outer base and is intersected with the outer base 1, the outer base 1 and the inner base 2 are different in color and are formed by injection molding of different materials, the outer base 1 is formed by using a PP hard material, the inner base 2 is formed by using a PE flexible material, the outer base and the inner base formed by injection molding are additionally formed into different colors, the two-color interdigitation increases the difficulty of mold manufacturing and process, meanwhile, the integrated molding can not be realized by simple process or assembly by a imitator, and the anti-counterfeiting performance is very strong; the box opening cover 3 of the embodiment is made of the same material as the outer base 1.
The inner base 2 comprises an outer sealing ring 21 and an inner sealing ring 22, the outer sealing ring 21 is used for sealing with the outer wall of the bottle mouth, the inner wall of the outer sealing ring is provided with at least one retaining ring 211, the retaining ring 211 is a main functional component which can be firmly buckled on the bottle by the bottle cap body, the inner sealing ring 22 is used for sealing with the inner wall of the bottle mouth, a gap 201 is formed between the outer sealing ring 21 and the inner sealing ring 22, and the gap 201 is consistent with the wall thickness of the bottle; the upper ends of the outer sealing ring 21 and the inner sealing ring 22 are integrally connected to form an end face 202, and the end face 202 plays a secondary sealing function to seal the upper end of the bottle mouth; the end face 202 is upwards provided with the arc-shaped liquid guide port 203, and the arc-shaped liquid guide port 203 is flexible, so that the liquid can flow out more smoothly and flow back into the bottle, and the function of mainly sealing the box opening cover is realized; an inclined end surface 221 for sealing the bottle opening is formed on the inner wall of the inner sealing ring 22, specifically, the inclined end surface 221 is gradually inclined downwards from one end on the same side with the buckling position 11 to the other end, a pull ring type liquid pouring hole is formed in the inclined end surface 221, the pull ring type liquid pouring hole is sealed through a pull ring 222, the pull ring 222 comprises a pull part 2221 and a pull ring sheet 2222, the pull ring sheet 2222 is used for sealing the pull ring type liquid pouring hole and is an easy-to-tear type sealing sheet, the pull part 2221 is formed on the pull ring sheet 2222 and is used for lifting and tearing off the pull ring sheet 2222, the pull ring sheet 2222 is in a kettle type water drop shape (as shown in fig. 3), the kettle type water drop type pull ring sheet 2222 can effectively ensure that the pull ring type liquid pouring hole is sealed, meanwhile, the pulling force during pulling is reduced, a; lifting part 2221 is the ring form, its inner wall is equipped with anti-skidding line 2223, it is comfortable that the consumer of being convenient for hooks draws, after pulling open tab 2222, the tab formula pouring hole also is kettle formula water droplet form, big upper shed is located the lower extreme of slope terminal surface 221, sharp lower mouthful is located the upper end of slope terminal surface 221, when pouring, big upper shed makes in the air admission bottle more easily, let in the bottle liquid can flow out at sharp lower mouthful more smoothly, can the controlled quantity when pouring liquid, avoid excessive pouring, secondly, after using in liquid can flow back to the bottle along slope terminal surface 221 nature, reduce the sign of remaining, and it is clean to keep the opening.
The connecting part 4 of the box opening cover 3 and the outer base 1 is in a bow-tie shape, and the bow-tie shaped connecting part 4 provides enough rigidity to enable the box opening cover 3 and the base to be opened and closed back and forth to be tightly matched; an inner ring 31 buckled with the arc-shaped liquid guide opening 203 is arranged on one surface, facing the bottle opening, of the open box cover, when the open box cover is closed, the inner ring 31 is just buckled with the arc-shaped liquid guide opening 203, and the arc-shaped liquid guide opening 203 is made of flexible materials and has certain elasticity, so that the arc-shaped liquid guide opening 203 can be tightly jointed with the inner ring 31 under the influence of elasticity during buckling to play a role in sealing a pull-ring type liquid pouring hole, and the risk of leakage caused by accidental instant transverse lying is avoided; the side of the outer wall of the box opening cover facing the buckling position 11 is provided with a groove part 32, and the groove part 32 is convenient for a user to open the box opening cover in a labor-saving way.
As a further improvement of the invention, the lower end 12 of the outer base is slightly inclined inwards, the slightly inclined lower end enables the outer base 1 to be more tightly matched with the bottle mouth and not easy to be pried after being matched, the inner wall of the lower end 12 of the outer base is further provided with an intermittent protruding part 131, and the protruding part 131 forms a secondary buckle ring of the outer base 1 on the bottle mouth, so that the outer base 1 can be better and tightly buckled on the bottle mouth.
As a further improvement of the invention, the surface from the inner wall of the circular arc-shaped liquid guide opening 203 to the inclined end surface 221 is sprayed with a hydrophobic and oleophobic surface layer, so that the bottle opening is almost free of residue, clean and sanitary.
The box opening cover, the outer base 1 and the inner base 2 can be respectively molded into different colors.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any minor modifications, equivalent replacements and improvements made to the above embodiment according to the technical spirit of the present invention should be included in the protection scope of the technical solution of the present invention.