CN111703733A - A screw-in and top-out ready-to-fit container cap and container - Google Patents

Abstract

The invention relates to a bottle cap for a screw-in and ejection type ready-to-fit container, comprising a lower cap, a cap core, an upper cap and a protection ring. The sealing sheet is sealed, the other end is open, the inner wall is provided with an internal thread, the open end of the silo pipe is provided with a first connection part, and the connection part is used to connect with the bottle mouth; the cover core includes a screw-in tube and a second connection part, which is screwed in Both ends of the pipe are open, and the outer wall is provided with external threads; one end of the screw-in pipe is provided with a second connection part, which is used to connect with the upper cover; the other end of the screw-in pipe is sleeved in the silo pipe, and the screw-in pipe The inlet pipe is threadedly connected with the silo pipe and can be screwed in along the inner wall of the silo pipe; the protection ring is detachably sleeved on the screwed-in pipe for restricting the approach of the first connecting part and the second connecting part. In the present invention, the screw-in structure between the screw-in pipe and the silo pipe is used to realize the separation, storage and rapid fusion of the material and the liquid, and the structure is simple and the operation is convenient.

Description

A screw-in and top-out ready-to-fit container cap and container

technical field

The present invention generally relates to the technical field of packaging, and more particularly, to a bottle cap and a container for screw-in and eject-type ready-to-fit containers.

Background technique

Nutrients in existing beverages will be deteriorated and lost during long-term storage. In order to prolong the shelf life of beverages, it is necessary to add chemical substances such as preservatives, stabilizers, etc., but it may affect the taste of beverages, and the chemical components may cause certain damage to the human body. harm.

In order to solve the above problems, the prior art proposes a technical solution that the main ingredient and the liquid are isolated and stored, and ready-to-use. The beverage bottle includes an upper cover 3 and a lower cover 1 fixed above the bottle mouth, the upper cover 3 is sleeved on the outside of the lower cover 1, and the upper cover 3 and the inside of the lower cover 1 form a space for The accommodating cavity for storing solid beverages, the bottom of the lower cover 1 is provided with a sealing film; the top port of the lower cover 1 is provided with a sealing ring, so that the accommodating cavities in the upper cover 3 and the lower cover 1 are kept sealed from the outside world, preventing the internal The solid beverage stored in the accommodating cavity is adversely affected by moisture and deterioration. It can be pre-separated and stored according to the different tastes of solid beverages and liquid beverages, which is convenient for different groups of people and adapts to different tastes.

For another example, CN201721240288.5 discloses a ready-to-fit beverage bottle cap, comprising an upper cover 3 and a lower cover 1, the upper cover 3 has an open cavity formed by a side wall and a top wall, and the lower cover 1. It includes a storage part for storing beverage ingredients and a mounting part for connecting the bottle body, which is formed by a side wall and is isolated by a spacer sheet. The outer wall of the storage part of the lower cover 1 is snapped into the cavity and the upper cover of the upper cover The side wall of 3 cooperates so that the upper cover 3 can rotate around the mounting part of the lower cover 1. The middle part of the separator of the lower cover 1 is provided with an annular opening groove, and the opening groove is provided with a protrusion that engages with the groove of the hollow bushing. Since the upper cover 3 of the present invention cooperates with the lower cover 1 to have good sealing performance, it avoids the sealing of the beverage bottle cap caused by the easy damage of the airtight sealing film and the aluminum sheet sealing film of the traditional ready-made beverage bottle cap. In poor condition, and the manufacturing cost is lower, it is convenient for the user to open the cap quickly and easily.

However, although the above-mentioned bottle cap plays the role of isolating the liquid and the main material, the structure is complicated, the operation is cumbersome, and it is easy to be damaged. How to provide a ready-to-fit bottle cap with a simple structure, sturdiness and durability is an urgent problem to be solved.

SUMMARY OF THE INVENTION

In order to solve the above problems, the present invention discloses a screw-in and eject-type bottle cap for ready-to-fit containers, which is characterized in that it includes a lower cap 1, a cap core 2, an upper cap 3 and a protection ring 4, the lower cap 1 It includes a silo pipe 11 and a first connecting part 12. One end of the silo pipe 11 is sealed by a sealing sheet, the other end is open, and the inner wall is provided with an internal thread. The open end of the silo pipe 11 is provided with an external connection to the material The first connecting part 12 of the silo tube 11 is used to connect with the bottle mouth, so that the sealed end of the silo tube 11 is sleeved in the bottle mouth; The pipe 21 and the second connecting part 22, the screw-in pipe 21 is open at both ends, and the outer wall is provided with an external thread that cooperates with the internal thread of the silo pipe 11; one end of the screw-in pipe 21 is provided with a The second connection part 22 of the screw-in tube 21 is used for connecting with the upper cover 3 so that the upper cover 3 closes the opening of one end of the screw-in tube 21; the other end of the screw-in tube 21 The screw-in pipe 21 is sleeved in the silo pipe 11, and the screw-in pipe 21 is used for screwing the screw-in pipe 21 with the silo pipe 11 and can be screwed in along the inner wall of the silo pipe 11; The protection ring 4 is detachably sleeved on the screw-in pipe 21, and is located between the first connection part 12 and the second connection part 22, so as to limit the approach of the first connection part 12 and the second connection part 22; The lengths of the internal thread and the external thread are set so that the screwing distance of the screwing pipe 21 relative to the silo pipe 11 is greater than or equal to the width of the protection ring 4; the bottom of the screwing pipe 21 is The distance between the end and the sealing sheet is set to be smaller than the width of the protection ring 4 .

According to an embodiment of the present invention, the bottom end of the screw-in tube 21 is provided with a blade-like structure 211 for cutting the sealing sheet.

According to an embodiment of the present invention, a screw connection is adopted between the second connection portion 22 and the upper cover 3 , and the screw thread of the second connection portion 22 is opposite to the screw thread of the screw-in pipe 21 .

According to an embodiment of the present invention, a screw connection is adopted between the first connection portion 12 and the bottle mouth, and the screw thread of the first connection portion 12 is opposite to the screw thread of the screw-in pipe 21 .

According to an embodiment of the present invention, the upper cover 3, the protection ring 4, and the lower cover 1 are integral structures, and tear lines are formed at the joints of the protection ring 4, the upper cover 3, and the lower cover 1, respectively, A slider 41 is provided on the side wall of the protection ring 4 .

According to an embodiment of the present invention, any of the following connection methods are adopted between the lower cap 1 and the bottle mouth or between the cap core 2 and the upper cap 3: screw connection, pivot connection, and snap connection.

A bottle, characterized in that the bottle comprises the bottle cap described in any one of the above.

In the present invention, the screw-in structure between the screw-in pipe and the silo pipe is used, so that when the sealing sheet does not need to be broken, the relative position between the silo pipe and the screw-in pipe is stable and fixed, and it will not be caused by mistake. The operation leads to damage to the sealing of the material; when the sealing sheet needs to be opened, the setting of the screw-in structure enables the user to apply a small amount of torque to the upper cover to complete the cutting of the sealing sheet. It will not be difficult to open due to the change of the pressure in the bottle; the protection ring is used in the present invention to further increase the stability of the sealing structure when the sealing sheet does not need to be broken.

Description of drawings

Fig. 1 is a kind of sectional schematic diagram of screw-in top-out type ready-to-fit container caps;

Fig. 2 is the schematic diagram of the bottom of the screw-in pipe;

Fig. 3 is the exploded schematic diagram of bottle cap;

Figure 4 is a schematic view of a screw-in-top-out ready-to-fit container.

Detailed ways

The preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings. Reference numerals refer to components and techniques in the present invention, so that the advantages and features of the present invention can be more easily understood in a suitable environment. The following description is an embodiment of the claims of the present invention, and other specific implementations related to the claims that are not expressly stated also belong to the scope of the claims.

Fig. 1 shows a schematic cross-sectional view of a bottle cap for a screw-in-top-out ready-to-fit container.

As shown in FIG. 1 , a screw-in and top-out ready-to-fit container cap includes a lower cap 1 , a cap core 2 , an upper cap 3 and a protection ring 4 , and the lower cap 1 includes a silo tube 11 and a first A connecting part 12, one end of the silo pipe 11 is sealed by a sealing sheet, the other end is open, the inner wall is provided with an internal thread, and the open end of the silo pipe 11 is provided with a first connection external to the silo pipe 11 part 12, the connecting part is used to connect with the bottle mouth, so that the sealing end of the silo pipe 11 is sleeved in the bottle mouth; the cover core 2 includes a screw-in pipe 21 with two transparent ends and a second connecting part 22. Both ends of the screw-in pipe 21 are open, and the outer wall is provided with an external thread that cooperates with the internal thread of the silo pipe 11; The connecting part 22, the second connecting part 22 is used to connect with the upper cover 3, so that the upper cover 3 closes the opening of one end of the screw-in pipe 21; the other end of the screw-in pipe 21 is sleeved on the silo In the pipe 11, the screw-in pipe 21 is used for screwing the screw-in pipe 21 with the silo pipe 11 and can be screwed in along the inner wall of the silo pipe 11; the protection ring 4 is detachable. It is sleeved on the screwing pipe 21 and located between the first connecting part 12 and the second connecting part 22 to limit the approach of the first connecting part 12 and the second connecting part 22; the internal thread and the The length of the external thread is set so that the screwing distance of the screwing pipe 21 relative to the silo pipe 11 is greater than or equal to the width of the protection ring 4; The distance is set smaller than the width of the guard ring 4 .

The upper cover 3 , the protection ring 4 and the lower cover 1 are in contact with each other in sequence, and the cover core 2 is arranged in the protection ring 4 and the lower cover 1 . The protection ring 4 is detachably sleeved on the cover core 2 . When the protection ring 4 is not removed, it limits the relative position of the first connecting portion 12 and the second connecting portion 22 , that is, the upper cover 3 The relative position of the upper cover 3 and the lower cover 1, and the upper cover 3 is detachably connected to the cover core 2. When the upper cover 3 is not removed, the relative position of the upper cover 3 and the cover core 2 is fixed. Therefore, the protection ring 4 can limit the position of the upper cover 3 so that the bottom of the cover core 2 cannot move in the fixed position in the lower cover 1 .

The inner diameter of the protection ring 4 can be set to be smaller than the outer diameter of the first connection part 12 and the outer diameter of the second connection part 22. As long as the protection ring 4 is not disassembled, the two can be restricted from approaching each other, so that the cover core 2. It cannot slide into the lower cover 1, preventing the blade-like structure 211 at the bottom end of the screw-in tube 21 from cutting the sealing sheet, so that the material in the cover core 2 enters the bottle.

The silo pipe 11 is a cylindrical structure, the first connecting portion 12 is cylindrical, and the first connecting portion 12 is externally connected to the silo pipe 11, that is, the silo pipe 11 passes through the first connecting portion 12 , the nozzle of which is flush with the upper plane of the first connecting portion 12 . For example, the first connecting portion 12 is annular and is sleeved on the open end of the silo material pipe. The annular first connecting portion 12 has an inner thread on the side away from the open end of the silo, and the bottle opening has an outer thread. thread, so that the first connecting part 12 is screwed on the bottle mouth, so that the silo extends into the bottle mouth.

The cover core 2 includes a screw-in tube 21 and a second connection part 22 with two transparent ends. The screw-in tube 21 is cylindrical, and one end of the screw-in tube 21 is provided with a peripheral connected to the screw-in tube 21 . The second connecting part 22 , the second connecting part 22 can also be annular, sleeved with the end of the screw-in pipe 21 , so that the opening of the screw-in pipe 21 is flush with the top surface of the second connecting part 22 .

The other end of the screw-in pipe 21 is sleeved in the silo pipe 11, the screw-in pipe 21 needs to extend into the silo pipe 11 to a certain depth, and the spiral on the outer surface of the screw-in pipe 21 needs to have a certain length. , used to make the screw-in tube 21 screw in along the inner wall of the silo tube 11, so that the end of the screw-in tube 21 can contact and exert a certain thrust or cutting force on the sealing sheet, so as to break the sealing sheet and make the material into the bottle.

The distance between the bottom end of the screw-in tube 21 and the sealing sheet is set to be smaller than the width of the protection ring 4 , so that after the protection ring 4 is removed, the screw-in tube 21 has a screw-in distance sufficient to make the bottom of the screw-in tube 21 . end will break the seal.

When the beverage bottle with the above-mentioned bottle cap is in an unopened state, the upper cover 3 , the protection ring 4 and the lower cover 1 are in contact with each other in sequence, and the cover core 2 is arranged in the protection ring 4 and the lower cover 1 . The material is located in the silo pipe 11, the lower end of the silo pipe 11 is sleeved in the bottle, at the same time, the screw-in pipe 21 is sleeved in the silo pipe 11, and the sealing sheet is connected to the bottom of the silo pipe 11 to seal the material in the material. Inside the warehouse pipe 11 .

When the beverage bottle with the above cap needs to be opened, remove the protective ring 4, rotate the upper cover 3, and screw the screw-in tube 21 downward in the silo tube 11. When the bottom of the screw-in tube 21 contacts the sealing sheet When the sealing sheet is pressed down and the cutting force in the direction of rotation is applied, the sealing sheet is damaged. The material in the silo pipe 11 falls into the bottle body and mixes with the liquid in the bottle body. Shake the bottle body to mix the material with the liquid. Evenly, open the top cover 3 to drink.

In the present invention, the screw-in structure between the screw-in pipe 21 and the silo pipe 11 is used, so that the relative position between the silo pipe 11 and the screw-in pipe 21 is stable and fixed when the sealing sheet does not need to be broken. The sealing of the material will not be damaged due to misoperation; when the sealing sheet needs to be opened, the setting of the screw-in structure enables the user to only apply a small amount of torque to the upper cover 3 to complete the cutting of the sealing sheet, which is compared with direct pressing down. In other words, it is labor-saving and will not be difficult to open due to changes in the pressure in the bottle; the protection ring 4 is used in the present invention to further increase the stability of the sealing structure when the sealing sheet does not need to be broken.

Figure 2 shows a schematic view of the bottom of the precession tube.

As shown in FIG. 2 , the bottom end of the screw-in tube 21 is provided with a blade-like structure 211 for cutting the sealing sheet. The bottom end of the screw-in tube 21 is provided with a blade structure, which can cut the sealing sheet more conveniently. The bottom end of the screw-in tube 21 can also be provided with structures in other shapes such as needles, protrusions, etc., so as to facilitate breaking the sealing sheet.

Figure 3 shows an exploded schematic view of the bottle cap.

As shown in FIG. 3 , a screw connection is adopted between the second connection portion 22 and the upper cover 3 , and the screw thread of the second connection portion 22 is opposite to the screw thread of the screw-in pipe 21 . The first connecting portion 12 and the bottle mouth are connected by a screw thread, and the screw thread of the first connecting portion 12 is opposite to the screw thread of the screwing pipe 21 .

The threads of the first connecting part 12 and the second connecting part 22 are opposite to the screw-in pipe 21. When the sealing sheet needs to be screwed in to open the sealing sheet, the upper cover 3 is rotated in the reverse direction without causing the connection between the upper cover 3 and the second connecting part 22. The relative rotation between the room, the bottle mouth and the first connecting part 12 is convenient to discharge such interference and quickly open the sealing sheet.

As shown in FIG. 3 , the side wall of the protection ring 4 is provided with a slider 41 ;

The side wall of the protection ring 4 is provided with a slider 41. The slider 41 is a protruding structural device, such as a ring shape, a block shape, etc. It is preferable to use a block slider 41 with a chamfered edge, so that the protection can be easily opened. Ring 4. One end of the protection ring 4 is connected to the edge of the lower bottom surface of the upper cover 3, and the other end is connected to the edge of the upper surface of the lower cover 1 (the edge of the first connecting portion 12). The cover 3 and the silo are fixed and limited. For example, using a plurality of columnar structures with less tolerance can not only ensure the stability of the connection between the protection ring 4 and the upper cover 3 and the lower cover 1 , but also easily separate and disassemble the protection ring 4 .

As the structure of the protection ring 4, an integrated structure of the upper cover 3, the protection ring 4 and the lower cover 1 can be adopted. The connection between the protection ring 4, the upper cover 3 and the lower cover 1 is respectively formed with tear lines. The wall is provided with a pull head 41, through which the protective ring 4 is to be torn open.

Between the lower cap 1 and the bottle mouth or between the cap core 2 and the upper cap 3, any of the following connection methods are adopted: screw connection, pivot connection, and snap connection.

The screw connection is preferably adopted, and the screw connection method is used to make the lower cap 1 and the bottle mouth, the upper cap 3 and the cap core 2 fixedly connected, with simple structure, good sealing performance and convenient disassembly.

Figure 4 shows a schematic view of a bottle.

As shown in FIG. 4 , a container includes a bottle body 5 and any one of the bottle caps described above.

The bottle can be any container for containing liquid, and the bottle body 5 is connected with the lower cover 1 . By setting the bottle cap to hold the material, setting the bottle body 5 to hold the liquid, and fixing the bottle cap and the bottle body 5 together, the liquid and the material can be stored separately. The inner liquid phase can be mixed. The invention can realize the separation, storage and rapid fusion of materials and liquids, and has the advantages of simple structure and convenient operation.

In the present invention, the screw-in structure between the screw-in pipe and the silo pipe is used, so that when the sealing sheet does not need to be broken, the relative position between the silo pipe and the screw-in pipe is stable and fixed, and it will not be caused by mistake. The operation leads to damage to the sealing of the material; when the sealing sheet needs to be opened, the setting of the screw-in structure enables the user to apply a small amount of torque to the upper cover to complete the cutting of the sealing sheet. It will not be difficult to open due to the change of the pressure in the bottle; the protection ring is used in the present invention to further increase the stability of the sealing structure when the sealing sheet does not need to be broken.

It should be noted that the above-described embodiments illustrate rather than limit the invention, and that alternative embodiments may be devised by those skilled in the art without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim.

Claims (7)

1. A screw-in top-out type bottle cap for a ready-to-fit container, characterized in that it comprises a lower cover (1), a cover core (2), an upper cover (3) and a protection ring (4), The lower cover (1) includes a silo pipe (11) and a first connecting portion (12). One end of the silo pipe (11) is sealed by a sealing sheet, the other end is open, and the inner wall is provided with an inner thread, and the material The open end of the silo pipe (11) is provided with a first connecting part (12) externally connected to the silo pipe (11), the connecting part is used for connecting with the bottle mouth, so that the The sealing end is sleeved in the bottle mouth; The cover core (2) comprises a screw-in pipe (21) with two transparent ends and a second connection part (22), the screw-in pipe (21) is open at both ends, and the outer wall is provided with a silo pipe (22). 11) External thread matched with internal thread; One end of the screw-in pipe (21) is provided with a second connection part (22) externally connected to the screw-in pipe (21), and the second connection part (22) is used for connecting with the upper cover (3), Make the upper cover (3) close the opening at one end of the screw-in tube (21); The other end of the screw-in pipe (21) is sleeved in the silo pipe (11), and the screw-in pipe (21) is used for connecting the screw-in pipe (21) with the silo pipe (11) threaded connection and can be screwed in along the inner wall of the silo pipe (11); The protection ring (4) is detachably sleeved on the screwing pipe (21), and is located between the first connecting part (12) and the second connecting part (22), and is used to limit the first connecting part (12) is close to the second connecting part (22); The lengths of the internal thread and the external thread are set so that the screw-in distance of the screw-in pipe (21) relative to the silo pipe (11) is greater than or equal to the width of the protection ring (4); The distance between the bottom end of the screw-in tube (21) and the sealing sheet is set to be smaller than the width of the protection ring (4). 2. The screw-in top-out type ready-to-fit container cap according to claim 1, characterized in that, The bottom end of the screw-in tube (21) is provided with a blade-like structure (211) for cutting the sealing sheet. 3. The screw-in top-out type ready-to-fit container cap according to claim 2, characterized in that, A screw connection is adopted between the second connection part (22) and the upper cover (3), and the screw thread of the second connection part (22) is opposite to the screw thread of the screw-in pipe (21). 4. bottle cap according to claim 1, is characterized in that, A screw connection is adopted between the first connection part (12) and the bottle mouth, and the screw thread of the first connection part (12) is opposite to the screw thread of the screw-in pipe (21). 5. The screw-in top-out type ready-to-fit container bottle cap according to claim 1, wherein the upper cover (3), the protection ring (4), and the lower cover (1) are of one-piece structure, Tear lines are formed at the joints of the protection ring (4), the upper cover (3) and the lower cover (1), respectively, and a slider (41) is provided on the side wall of the protection ring (4). 6. The screw-in and top-out type ready-to-fit container cap according to claim 1, characterized in that, Between the lower cover (1) and the bottle mouth or between the cover core (2) and the upper cover (3), any of the following connection methods are adopted: screw connection, pivot connection, and snap connection. 7. A container, characterized in that it comprises a bottle body and a bottle cap installed on the bottle body, and the bottle cap adopts the screw-in, top-out type ready-to-fit container bottle according to any one of claims 1-6. cover.

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