CN214731098U - Piston type instant bottle cap and bottle adopting same - Google Patents

Abstract

The utility model relates to a piston type instant bottle cap and a bottle adopting the bottle cap, the piston type instant bottle cap comprises a storage cavity part, a sealing piston and a top pillar, a storage cavity is formed in the storage cavity part, a discharge hole is arranged at the bottom of the storage cavity, the sealing piston is detachably and hermetically connected with the discharge hole and is used for sealing the storage cavity, the top pillar is arranged in the storage cavity, the lower end of the top pillar is fixedly connected with the sealing piston, and the upper end of the top pillar is fixedly connected with the upper end of the storage cavity part; the part of the material storage cavity part connected with the top column can move towards the sealing piston under the action of external force, so that the sealing piston is separated from the material outlet, and the material storage cavity is opened. The piston type instant bottle cap and the bottle adopting the same are integrally designed to have no sealing film or weak layer structure, the piston is used for sealing or opening the discharge hole, the processing and assembly cost of parts is low, the reject ratio of product parts can be greatly reduced, and the automatic production is easy to realize; and when the discharge port is in a closed state, the whole structure is strong in stability, high in sealing performance and high in oxygen and moisture resistance.

Description

Piston type instant bottle cap and bottle adopting same

Technical Field

The utility model relates to a technical field is made to the beverage bottle lid, especially relates to a piston is bottle lid and adopt bottle of this bottle lid promptly joined in marriage.

Background

Along with the continuous improvement of living standard of people, the beverage for people to drink is various. In order to prolong the shelf life of beverages, manufacturers need to add various artificial chemically synthesized substances such as preservatives, stabilizers and the like into the beverages, so that the taste of the beverages is affected, and chemical substances such as the preservatives and the like in the beverages can cause certain harm to human bodies, which is not advocated by the current healthy life concept. Therefore, how to provide a packaged beverage which can be stored for a long time and has no artificial preservative is a problem to be solved urgently by the related art. The appearance of instant bottle caps provides a packaging technical solution for the requirement of healthy drinks.

However, the existing instant bottle caps with such functions usually adopt a structural design of a sealing film or a weak layer, and when drinking, the sealing film is broken or the weak layer is opened, so that solute in the storage cavity flows out and is mixed with water in the bottle. The problems with this type of design are: 1. the processing difficulty of the sealing film or the weak layer is large, so that the processing cost is high, for example, the bonding processing space of the sealing film structure is limited, the injection molding process difficulty of the weak layer structure is high, and the production reject ratio is high. 2. The sealing film or the weak layer has insufficient stability and sealability due to the thin structure, the oxygen and moisture barrier sealability of the sealing film or the weak layer is insufficient even under the condition of no damage, and the sealing film or the weak layer is easy to damage in the transportation and storage processes, so that the quality of the packaging solute is influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need for a piston-type instant dispensing bottle cap and a bottle using the same, which are used to solve the technical problems of the prior art that the instant dispensing bottle cap has a weak structure and is difficult to process and has a poor sealing effect.

The utility model provides a bottle lid is joined in marriage promptly to piston and bottle that adopts this bottle lid, this piston is joined in marriage the bottle lid promptly and is included: the device comprises a storage cavity part, a sealing piston and a top column, wherein a storage cavity is formed in the storage cavity part, a discharge hole is formed in the bottom of the storage cavity, the sealing piston is detachably and hermetically connected with the discharge hole and used for sealing the storage cavity, the top column is arranged in the storage cavity, the lower end of the top column is fixedly connected with the sealing piston, and the upper end of the top column is fixedly connected with the upper end of the storage cavity part; the part of the material storage cavity part connected with the top column can move towards the sealing piston under the action of external force, so that the sealing piston is separated from the material outlet, and the material storage cavity is opened.

Further, the piston type bottle cap capable of being assembled immediately further comprises a baffle, a slope is formed on one side, close to the top column, of the sealing piston and is fixedly connected with the baffle, and the baffle is used for supporting the discharge hole in an opening state.

Further, the discharge gate inboard is provided with the first annular groove of round, and sealed piston lateral surface corresponds and is provided with the first annular of round arch, and first annular groove and the protruding sealed joint of first annular are used for sealed storage cavity.

Further, the piston type bottle cap capable of being assembled immediately further comprises a connecting portion, the connecting portion is sleeved outside the storage cavity portion and is integrally connected with the storage cavity portion, a bottle opening connecting groove is formed between the connecting portion and the storage cavity portion, and an internal thread is formed in the bottle opening connecting groove by the connecting portion.

The piston type instant bottle cap further comprises a sealing protective cover, the sealing protective cover is in a cylindrical shape with the upper end closed and the lower end opened, and the sealing protective cover is in sealing clamping connection with the upper end of the connecting part through a bulge groove structure and used for protecting the material storage cavity part from being acted by external force in a non-use state; the bulge groove structure comprises a second annular bulge and a second annular groove which are matched with each other, the inner side of the bottom of the sealing protection cover is provided with any one of the second annular bulge or the second annular groove, and correspondingly, the outer side of the upper end of the connecting part is provided with the other one of the second annular bulge and the second annular groove.

Furthermore, an anti-theft ring is arranged below the connecting part, and the top of the anti-theft ring is integrally connected with the bottom edge of the connecting part through a plurality of filament structures.

Further, the piston type instant bottle cap comprises an upper cap and a lower cap, the lower cap comprises a lower cap cylinder and a connecting part, a discharge hole is formed in the bottom of the lower cap cylinder, the connecting part is sleeved outside the lower cap cylinder and is integrally connected with the lower cap cylinder, a third annular groove is formed in the inner side of the upper end of the connecting part, a third annular bulge is correspondingly formed in the outer side of the bottom of the upper cap, the third annular groove is in matched clamping connection with the third annular bulge, the upper cap is further in sealing connection with the connecting part through ultrasonic welding, and the upper cap, the lower cap and the sealing piston are enclosed to form a storage cavity; the upper end of the top pillar is connected with the upper cover, and the upper cover forms a circle of deformation area which is easy to deform around the connection part with the top pillar.

Further, the piston type instant bottle cap comprises an upper cap and a lower cap, the lower cap comprises a lower cap cylinder and a connecting part, a discharge hole is formed in the bottom of the lower cap cylinder, the connecting part is sleeved outside the lower cap cylinder and is integrally connected with the lower cap cylinder through the middle part, the upper end of the lower cap cylinder is provided with an opening, and a fourth annular bulge and a fifth annular bulge are formed in the inner wall of the upper end of the connecting part; the upper cover comprises an upper cover cylinder and an upper cover body, the upper cover body is sleeved outside the upper cover cylinder and is integrally connected with the upper cover cylinder, a connecting chute is formed between the upper cover body and the upper cover cylinder, and a fourth annular groove is formed in the outer side of the bottom of the upper cover body; the upper cover cylinder is inserted into the lower cover cylinder and movably abutted against the inner wall of the lower cover cylinder, and the upper end of the lower cover cylinder is inserted into the connecting chute, so that the upper cover cylinder, the lower cover cylinder and the sealing piston are enclosed to form a sealed material storage cavity; when the sealing piston is in a closed state, the fourth annular groove and the fourth annular protrusion are matched and sealed in a clamping mode, and when the sealing piston is in an open state, the fourth annular groove and the fifth annular protrusion are matched and sealed in a clamping mode.

Further, the lower cover cylinder is of a straight cylinder shape, and a discharge hole is formed at the lower end of the lower cover cylinder; or the lower part of the lower cover cylinder is of a funnel-shaped structure, so that the inner diameter of the cross section of the lower cover cylinder is gradually reduced.

The utility model provides an adopt the piston to join in marriage bottle of bottle lid promptly, this adopt the piston to join in marriage bottle of bottle lid promptly includes that the piston joins in marriage bottle lid and bottle promptly, and the piston is provided with the internal thread on joining in marriage the bottle lid promptly, and bottle bottleneck department is provided with the external screw thread corresponding with the internal thread, and the bottle passes through thread sealing connection with the piston is joined in marriage the bottle lid promptly.

Compared with the prior art, the piston type instant bottle cap and the bottle adopting the same are integrally designed to have no sealing film or weak layer structure, the piston is used for sealing or opening the discharge hole, the processing and assembling cost of parts is low, the fraction defective of product parts can be greatly reduced, and the automatic production is easy to realize; and when the discharge port is in a closed state, the whole structure is strong in stability, high in sealing performance and high in oxygen and moisture resistance, and the defects of the technical scheme that a sealing film is punctured or a weak layer is opened in the prior art are overcome.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, and to implement the technical means according to the content of the description, the preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic structural view of a bottle adopting a piston type instant bottle cap provided by the present invention;

fig. 2 is a cross-sectional view of a first embodiment of the piston-type ready-to-dispense bottle cap provided by the present invention;

FIG. 3 is an exploded view of the first embodiment of the present piston-type instant bottle cap in one orientation;

FIG. 4 is an exploded view of the first embodiment of the present piston-type instant bottle cap in another orientation;

fig. 5 is a cross-sectional view of a second embodiment of the piston-type ready-to-dispense bottle cap provided by the present invention;

FIG. 6 is an exploded view of the second embodiment of the present piston-type instant bottle cap in one orientation;

FIG. 7 is an exploded view of the second embodiment of the present piston-type instant bottle cap in another orientation;

fig. 8 is a cross-sectional view of a third embodiment of the piston-type ready-to-dispense bottle cap provided by the present invention;

fig. 9 is an exploded view of the third embodiment of the present piston-type instant bottle cap in one orientation;

FIG. 10 is an exploded view of the third embodiment of the present piston-type instant bottle cap in another orientation;

fig. 11 is a cross-sectional view of a fourth embodiment of the piston-type ready-to-dispense bottle cap provided by the present invention;

fig. 12 is an exploded view of the fourth embodiment of the present piston-type instant bottle cap in one orientation;

fig. 13 is an exploded view of the fourth embodiment of the present piston-type instant bottle cap in another orientation.

Detailed Description

The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of this application, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit its scope.

Referring to fig. 1, the bottle using the piston type instant bottle cap includes a piston type instant bottle cap 100 and a bottle body 200, wherein an external thread is provided at a bottle mouth of the bottle body 200 and corresponds to an internal thread on the piston type instant bottle cap 100, and the bottle body 200 and the piston type instant bottle cap 100 are hermetically connected through a thread. The connection method is conventional in the art and well known to those skilled in the art, and thus will not be described herein.

The piston type instant dispensing bottle cap 100 comprises a storage cavity part, a sealing piston and a top column, wherein a storage cavity is formed in the storage cavity part, a discharge hole is formed in the bottom of the storage cavity, and the sealing piston is detachably and hermetically connected with the discharge hole and used for sealing the storage cavity. The top column is arranged in the storage cavity, the lower end of the top column is fixedly connected with the sealing piston, and the upper end of the top column is fixedly connected with the top of the storage cavity. The part of the storage cavity part connected with the ejection column can displace towards the sealing piston under the action of external force, and the sealing piston has a closed state in sealing connection with the discharge port and an open state separated from the discharge port. Pressing the part that storage chamber portion and fore-set are connected during the use can make the fore-set remove downwards, makes sealed piston and discharge gate separation, and sealed piston changes the open mode from the closure state into for the solute of storage intracavity storage flows, mixes with the water of encapsulation in bottle 200, can drink after rocking the misce bene.

Example 1

Referring to fig. 2 to 4, in the present embodiment, the piston-type instant bottle cap 100 includes a sealing piston 1A, a top pillar 2A and a cap cylinder 3A.

The cover cylinder 3A is a cylinder structure with an opening at the lower end and an integrally sealed upper end, and the opening at the lower end forms a discharge hole. The sealing piston 1A is detachably and hermetically connected with the discharge port, and surrounds to form a storage cavity for storing solute, that is, in this embodiment, the sealing piston 1A and the cover cylinder 3A constitute a storage cavity portion. The storage cavity is arranged in the top column 2A, the upper end of the top column is integrally connected with the top of the cover cylinder 3A, and the lower end of the top column is fixedly connected with the sealing piston 1A in a clamping mode. The cover barrel 3A part around the connection part of the cover barrel 3A and the top column 2A is thinner, a deformation area which is easy to deform under the action of external force is formed, and the cover barrel has better toughness and is difficult to break in the deformation process. Through the design, the top of the cover cylinder 3A can be pressed down towards the sealing piston 1A by external force, and the top column 2A transmits pressure to the sealing piston 1A, so that the sealing piston 1A moves downwards, and the closed state of the sealing connection between the sealing piston 1A and the discharge hole is changed into the open state separated from the discharge hole. The solute stored in the storage cavity can flow out from the gap between the sealing piston 1A and the discharge hole and is mixed with the water sealed in the bottle body 200.

In order to facilitate the formation of internal threads on the piston-type instant bottle cap 100 for matching with the bottle body 200, a ring of cap body 4A is preferably sleeved outside the cap cylinder 3A, and the cap body 4A and the cap cylinder 3A may be integrally injection-molded. A bottleneck connecting groove is formed between the cover body 4A and the cover cylinder 3A, and an internal thread 5A is arranged in the bottleneck connecting groove of the cover body 4A. The cover 4A is a connecting portion in this embodiment.

Preferably, in order to better flow out the solute, the sealing piston 1A is obliquely arranged near the top column 2A, so as to form a slope for facilitating the flow of the solute. Meanwhile, the baffle plates 6A are arranged on the slope surface, three to five baffle plates are usually arranged, and the baffle plates 6A are uniformly arranged around the top column 2A at equal intervals. When the top surface of the lower cover cylinder 3A is pressed to enable the sealing piston 1A to be in an opening state, the sealing piston 1A moves downwards, and the baffle 6A is located at the position of the discharge hole and plays a supporting role in the discharge hole. The solute in the storage cavity can smoothly flow out along the slope from the area between the two baffle plates 6A.

The sealing piston 1A needs to be connected with the cover cylinder 3A at the discharge port in a sealing manner, and can be smoothly separated from the cover cylinder 3A in use. Therefore, in this embodiment, a clamping connection mode is preferably adopted, for example, a circle of first annular groove 71A is provided inside the discharge port, a circle of first annular protrusion 72A is correspondingly provided on the outer side surface of the sealing piston 1A, the first annular groove 71A is clamped with the first annular protrusion 72A, and in other embodiments, the groove and the protrusion may be arranged in an alternative manner. In order to further strengthen the leakproofness simultaneously, the lower surface that sealed piston 1A and cover section of thick bamboo 3A parallel and level still adopts the ultrasonic bonding seal membrane to play better sealed effect.

Since the sealing piston 1A is opened by pressing the top of the cap cylinder 3A with an external force, a sealing protection cap 8A is preferably provided to protect the cap cylinder 3A in order to prevent accidental opening during storage and transportation. The sealing protective cover 8A is a cylindrical hard structure with the upper end closed and the lower end opened, is detachably connected with the upper end of the cover body 4A and is used for protecting the cover cylinder 3A from being acted by external force in a non-use state. In this embodiment, the sealing protection cover 8A and the cover body 4A are also connected in a matching manner through a protrusion and groove structure, for example, a circle of second annular groove 73A may be disposed on the inner side of the bottom of the sealing protection cover 8A, and a circle of second annular protrusion 74A may be disposed on the outer side of the upper end of the cover body 4A, and the two are clamped in a matching manner. In other embodiments, the groove and the protrusion can be arranged in an alternative way. The lower part of the cover body 4A is provided with an anti-theft ring 9A, and the top of the anti-theft ring 9A is integrally connected with the bottom edge of the cover body 4A through a plurality of filament-shaped structures. This arrangement is conventional in the art and is well known to those skilled in the art and will not be described in detail herein.

In this embodiment, in order to facilitate manufacturing and assembling the present piston-type instant bottle cap 100, it is preferable that the upper end of the top pillar 2A is integrally connected to the cap cylinder 3A, that is, the top pillar 2A, the cap cylinder 3A, and the cap body 4A are integrally formed by injection molding at the time of manufacturing. And the lower extreme of fore-set 2A adopts protruding groove structure and can dismantle with sealed piston 1A and be connected, if set up round third annular groove 75A on the lower extreme of fore-set 2A, sealed piston 1A upper end forms one and supplies fore-set 2A lower extreme male spliced eye, is provided with round third annular protrusion 76A on the inner wall of spliced eye, and third annular groove 75A and the protruding 76A cooperation joint of third annular. In other embodiments, the groove and the protrusion can be arranged in an alternative way.

During production, the sealing protective cover 8A is connected with the cover body 4A, then the cover cylinder 3A is inverted, a proper amount of solute is filled in the cover cylinder 3A, and then the sealing piston 1A is installed to seal the material storage cavity. Then, a proper amount of water is filled in the bottle body 200, and the piston type instant bottle cap 100 is screw-sealed with the bottle body.

When the sealing device is used, the sealing protective cover 8A is taken down firstly, then the top of the cover cylinder 3A is pressed, the sealing piston 1A is separated from the cover cylinder 3A through the conduction of the top column 2A, the solute in the storage cavity flows down under the action of gravity to be mixed with the water in the bottle body 200, and the bottle body can be drunk after standing or uniformly mixing through shaking.

Example 2

Referring to fig. 5 to 7, in the present embodiment, the piston-type instant bottle cap 100 includes a sealing piston 1B, a top pillar 2B, a lower cap 3B and an upper cap 4B. Unlike embodiment 1, the magazine section is divided into two sections, a lower cover 3B and an upper cover 4B.

The lower cover 3B comprises a lower cover cylinder 31B and a lower cover body 32B, the lower cover cylinder 31B is of a structure with openings at the upper end and the lower end, and the lower end opening forms a discharge hole. In this embodiment, the lower portion of the lower cover cylinder 31B is a funnel-shaped structure, and the inner diameter of the cross section thereof gradually decreases to form a slope, so as to facilitate the outflow of solute. In other embodiments, the lower cover cylinder 31B may also adopt a straight cylinder structure, and the lower end opening of the lower cover cylinder 31B directly forms the discharge port.

In this embodiment, a lower cover body 32B is preferably provided around the lower cover cylinder 31B, and the lower cover body 32B and the lower cover cylinder 31B are preferably formed by injection molding. A bottleneck connecting groove is formed between the lower cover body 32B and the lower cover cylinder 31B, and an internal thread 5B is arranged in the bottleneck connecting groove of the lower cover body 32B and is used for being matched and connected with an external thread on the bottle body 200. In this embodiment, the lower cover body 32B is a connecting portion.

Also through protruding groove structure mutually supporting connection between lower cover body 32B and the upper cover 4B, if can set up a round third annular groove 75B in lower cover body 32B upper end inboard, set up a round third annular protruding 76B in the upper cover 4B lower extreme outside, both cooperation joints. In other embodiments, the groove and the protrusion can be arranged in an alternative way. In order to enhance the sealing performance, ultrasonic welding may be further used on the contact surface between the upper cover 4B and the upper surface of the lower cover body 32B, so that the connection between the upper cover 4B and the lower cover body 32B is firmer.

Sealing piston 1B and discharge gate can dismantle sealing connection, and sealing piston 1B, lower cover section of thick bamboo 31B and upper cover 4B surround and form the storage cavity that is used for storing the solute, and sealing piston 1B, lower cover section of thick bamboo 31B and upper cover 4B constitute storage cavity portion promptly in this embodiment. The storage cavity is arranged in the top column 2B, the upper end of the top column is fixedly connected with the upper cover 4B in a clamping mode, and the lower end of the top column is integrally connected with the sealing piston 1B. The thickness of the upper cover 4B part around the connection part of the upper cover 4B and the top column 2B is thinner, a deformation area which is easy to deform under the action of external force is formed, and the upper cover has better toughness and is not easy to break in the deformation process. Through the design, external force can be sunken upper cover 4B towards sealing piston 1B, promotes fore-set 2B and gives sealing piston 1B with pressure transfer for sealing piston 1B removes, thereby makes the closed state of sealing connection between sealing piston 1B and the discharge gate change into the open mode with discharge gate separation. The solute stored in the storage cavity can flow out from the gap between the sealing piston 1B and the discharge hole and is mixed with the water sealed in the bottle body 200.

Preferably, in order to better flow out the solute, the sealing piston 1B is obliquely arranged on the side close to the top column 2B to form a slope for facilitating the flow of the solute. Meanwhile, the baffle 6B is arranged on the slope surface, three to five baffles are usually arranged, and the baffle 6B is uniformly arranged around the top column 2B at equal intervals. When the upper cover 4B is pressed to enable the sealing piston 1B to be in an opening state, the sealing piston 1B moves downwards, and the baffle 6B is located at the position of the discharge hole and plays a supporting role in the discharge hole. The solute in the storage cavity can smoothly flow out along the slope from the area between the two baffle plates 6B.

The sealing piston 1B needs to be connected with the lower cover cylinder 31B at the discharge port in a sealing manner and can be smoothly separated from the lower cover cylinder 31B in use. Therefore, in this embodiment, a clamping connection mode is preferably adopted, for example, a circle of first annular groove 71B is provided on the inner side of the discharge port, a circle of first annular protrusion 72B is correspondingly provided on the outer side surface of the sealing piston 1B, the first annular groove 71B is clamped with the first annular protrusion 72B, and the groove and the protrusion may be arranged in an alternative manner in other embodiments. Meanwhile, in order to further enhance the sealing performance, the lower surface of the sealing piston 1B, which is flush with the lower cover cylinder 31B, can be welded with a sealing film by ultrasonic waves, so that a better sealing effect is achieved.

Since the upper cover 4B is pressed by an external force to open the sealing piston 1B, in order to prevent the sealing piston from being opened accidentally during storage and transportation, a sealing protection cover 8B is preferably provided to protect the upper cover 4B. The sealing protective cover 8B is a cylindrical hard structure with an upper end closed and a lower end opened, is detachably connected with the upper end of the lower cover body 32B, and is used for protecting the lower cover cylinder 31B from being acted by external force in a non-use state. In this embodiment, the sealing protection cover 8B and the lower cover body 32B are also cooperatively connected with each other through a protrusion and groove structure, for example, a circle of second annular groove 73B may be disposed on the inner side of the bottom of the sealing protection cover 8B, and a circle of second annular protrusion 74B may be disposed on the outer side of the upper end of the lower cover body 32B, and the two are cooperatively clamped. In other embodiments, the groove and the protrusion can be arranged in an alternative way.

The lower cover body 32B is provided with an anti-theft ring 9B below, and the top of the anti-theft ring 9B is integrally connected with the bottom edge of the lower cover body 32B through a plurality of filament-shaped structures. This arrangement is conventional in the art and is well known to those skilled in the art and will not be described in detail herein.

In this embodiment, in order to facilitate the manufacture and assembly of the present piston-type instant bottle cap 100, it is preferable that the lower end of the top pillar 2B is integrally connected to the sealing piston 1B, that is, the top pillar 2B and the sealing piston 1B are integrally formed by injection molding at the time of manufacture. And the upper end of the top post 2B adopts a protruding groove structure to be detachably connected with the upper cover 4B, if a circle of fourth annular groove 78B is arranged on the upper end of the top post 2B, the upper cover 4B forms an insertion hole for inserting the upper end of the top post 2B, a circle of fourth annular groove 77B is arranged on the inner wall of the insertion hole, and the fourth annular groove 77B is matched and clamped with the fourth annular groove 78B. In other embodiments, the groove and the protrusion can be arranged in an alternative way.

Earlier when production be connected sealing piston 1B with the sealed cooperation of discharge gate for sealing piston bottom and discharge gate bottom parallel and level, then inject right amount of solute into the lower cover section of thick bamboo 31B, install upper cover 4B again, make the upper cover cooperate the joint with fore-set 2B and lower cover body 32B respectively, and adopt ultrasonic welding technology to the position that needs sealed processing, install sealing protective cover 8B on lower cover body 32B again, the piston joins in marriage the bottle lid promptly and installs the completion. Then, a proper amount of water is filled in the bottle body 200, and the piston type instant bottle cap 100 is screw-sealed with the bottle body.

When the bottle is used, the sealing protective cover 8B is taken down firstly, then the top of the upper cover 4B is pressed to be sunken downwards, the sealing piston 1B is separated from the lower cover cylinder 31B through the conduction of the top column 2B, so that the material storage cavity is opened, solute in the material storage cavity flows down under the action of gravity to be mixed with water in the bottle body 200, and the bottle can be drunk after standing or even mixing through shaking.

Example 3

Referring to fig. 8 to 10, in the present embodiment, the piston-type instant bottle cap 100 includes a sealing piston 1C, a top pillar 2C, a lower cap 3C and an upper cap 4C. Similarly to embodiment 2, the magazine section is divided into two sections, a lower cover 3C and an upper cover 4C in this embodiment.

The lower cover 3C comprises a lower cover cylinder 31C and a lower cover body 32C, the lower cover cylinder 31C is of a structure with openings at the upper end and the lower end, and a discharge hole is formed at the lower end opening. In this embodiment, the lower portion of the lower cover cylinder 31C is a funnel-shaped structure, and the inner diameter of the cross section thereof gradually decreases to form a slope surface, so as to facilitate the outflow of solute.

In this embodiment, preferably, a lower cover body 32C is sleeved on the lower cover cylinder 31C, and the lower cover body 32C and the lower cover cylinder 31C are integrally injection-molded. A bottleneck connecting groove is formed between the lower cover body 32C and the lower cover cylinder 31C, and an internal thread 5C is arranged in the bottleneck connecting groove of the lower cover body 32C and is used for being matched and connected with an external thread on the bottle body 200. In the present embodiment, the lower cover body 32C is a connecting portion.

The upper cover 4C includes an upper cover cylinder 41C and an upper cover body 42C, and the upper cover cylinder 41C has a cylindrical structure with a sealed upper end and an open lower end. The upper cover body 42C is sleeved outside the upper cover cylinder 41C and is integrally connected with the upper cover cylinder 41C, and a connecting chute is formed between the upper cover body 42C and the upper cover cylinder 41C. The upper cover cylinder 41C is inserted into the lower cover cylinder 31C and movably abutted against the inner wall of the lower cover cylinder 31C, and the upper end of the lower cover cylinder 31C is inserted into the connecting chute, so that the upper cover cylinder 41C, the lower cover cylinder 31C and the sealing piston 1C surround to form a sealed material storage cavity.

The lower cover body 32C and the upper cover body 42C are cooperatively connected with each other through a protrusion and groove structure, for example, a fourth annular protrusion 78C and a fifth annular protrusion 79C are formed on the inner side of the upper end of the lower cover body 32C, and the fourth annular protrusion 78C is located above the fifth annular protrusion 79C. A circle of fourth annular groove 77C is formed in the outer side of the lower portion of the upper cover body 42C, when the sealing piston 1C is in a closed state, the fourth annular groove 77C and the fourth annular protrusion 78C are matched and sealed in a clamping mode, and when the sealing piston 1C is in an open state, the fourth annular groove 77C and the fifth annular protrusion 79C are matched and clamped in a clamping mode. In other embodiments, the groove and the protrusion can be arranged in an alternative way.

The sealing piston 1C is detachably and hermetically connected with the discharge port, and the sealing piston 1C, the lower cover cylinder 31C and the upper cover cylinder 41C surround to form a storage cavity for storing solute, that is, in this embodiment, the sealing piston 1C, the lower cover cylinder 31C and the upper cover cylinder 41C constitute a storage cavity part. The top column 2C is arranged in the material storage cavity, the upper end of the top column is fixedly clamped with the upper cover cylinder 41C, and the lower end of the top column is integrally connected with the sealing piston 1C. External force can press upper cover 4C wholly towards sealed piston 1C for upper cover 4C wholly slides along connecting the spout, fourth annular recess 77C and fourth annular protruding 78C separation and with fifth annular protruding 79C joint. The top column 2C drives the sealing piston 1C to move. The closed state of the sealing connection between the sealing piston 1C and the discharge port is changed into the open state separated from the discharge port. The solute stored in the storage cavity can flow out from the gap between the sealing piston 1C and the discharge hole and is mixed with the water sealed in the bottle body 200.

Preferably, in order to better flow out the solute, the sealing piston 1C is obliquely arranged near the top column 2C to form a slope for facilitating the flow of the solute. Simultaneously set up baffle 6C on domatic, set up three to five usually, baffle 6C encircles the even setting of fore-set 2C equidistant. When the upper cover cylinder 41C is pressed to enable the sealing piston 1C to be in an opening state, the sealing piston 1C moves downwards, and the baffle 6C is located at the position of the discharge hole and supports the discharge hole. Solute in the storage cavity can smoothly flow out along the slope from the area between the two baffle plates 6C.

The sealing piston 1C needs to be connected with the lower cover cylinder 31C at the discharge port in a sealing manner and can be smoothly separated from the lower cover cylinder 31C in use. Therefore, in this embodiment, a clamping connection mode is preferably adopted, for example, a circle of first annular groove 71C is provided on the inner side of the discharge port, a circle of first annular protrusion 72C is correspondingly provided on the outer side surface of the sealing piston 1C, the first annular groove 71C is clamped with the first annular protrusion 72C, and the groove and the protrusion may be provided in an alternative manner in other embodiments. Meanwhile, in order to further enhance the sealing performance, the lower surface of the sealing piston 1C flush with the lower cover cylinder 31C can be welded with a sealing film by ultrasonic waves, so that a better sealing effect is achieved.

Since the upper cover 4C is pressed by an external force to open the sealing piston 1C, in order to prevent the sealing piston from being opened accidentally during storage and transportation, a sealing protection cover 8C is preferably provided to protect the upper cover 4C. The sealing protective cover 8C is a cylindrical hard structure with the upper end closed and the lower end opened, is detachably connected with the upper end of the lower cover body 32C, and is used for protecting the upper cover 4C from being affected by external force in a non-use state. In this embodiment, the sealing protection cover 8C and the lower cover body 32C are also connected to each other by a protrusion and groove structure, for example, a circle of second annular protrusion 74C is disposed on the inner side of the bottom of the sealing protection cover 8C, and a circle of second annular groove 73C is disposed on the outer side of the upper end of the lower cover body 32C, and the two are clamped together. In other embodiments, the groove and the protrusion can be arranged in an alternative way.

The lower cover body 32C is provided with an anti-theft ring 9C below, and the top of the anti-theft ring 9C is integrally connected with the bottom edge of the lower cover body 32C through a plurality of filament-shaped structures. This arrangement is conventional in the art and is well known to those skilled in the art and will not be described in detail herein.

In this embodiment, in order to facilitate the manufacture and assembly of the present piston-type instant bottle cap 100, it is preferable that the lower end of the top pillar 2C is integrally connected to the sealing piston 1C, that is, the top pillar 2C and the sealing piston 1C are integrally formed by injection molding at the time of manufacture. And the upper end of the top post 2C adopts a protruding groove structure to be detachably connected with the upper cover cylinder 41C, if a circle of third annular protrusion 75C is arranged on the upper end of the top post 2C, an insertion hole for inserting the upper end of the top post 2C is formed in the upper cover cylinder 41C, a circle of third annular groove 76C is arranged on the inner wall of the insertion hole, and the third annular protrusion 75C is in fit clamping connection with the third annular groove 76C. In other embodiments, the groove and the protrusion can be arranged in an alternative way.

Earlier when production sealed piston 1C and discharge gate sealing fit connection, make sealed piston bottom and discharge gate bottom parallel and level, then inject right amount of solute into the lower cover section of thick bamboo 31C, install upper cover 4C again, make upper cover section of thick bamboo 41C and fore-set 2C and upper cover body 42C and lower cover body 32C cooperation joint, again will seal visor 8C and install on lower cover body 32C, and adopt ultrasonic welding technology to the position that needs sealed processing, the piston joins in marriage the bottle lid promptly and installs the completion. Then, a proper amount of water is filled in the bottle body 200, and the piston type instant bottle cap 100 is screw-sealed with the bottle body.

When the sealing protective cover is used, the sealing protective cover 8C is taken down firstly, then the top of the upper cover cylinder 41C is pressed, and when the top of the upper cover cylinder is flush with the top of the lower cover body, the fourth annular groove 77C and the fifth annular protrusion 79C are matched and clamped, and the sealing protective cover is pressed in place. Make sealed piston 1C and the separation of a lower cover section of thick bamboo 31C through the conduction of fore-set 2C to open the storage cavity, the solute in the storage cavity flows down under the effect of gravity and mixes with the water in the bottle 200, stews or can drink after shaking the misce bene.

Example 4

Referring to fig. 11 to 13, in the present embodiment, the piston-type instant bottle cap 100 includes a sealing piston 1D, a top pillar 2D, a lower cap 3D, and an upper cap 4D. Similarly to embodiment 3, the magazine section is divided into two sections, a lower cover 3D and an upper cover 4D in this embodiment.

The lower cover 3D comprises a lower cover cylinder 31D and a lower cover body 32D, the lower cover cylinder 31D is of a structure with an upper end and a lower end both open, and a discharge hole is formed in the lower end opening. In this embodiment, the lower cover cylinder 31D may adopt a straight cylinder structure, and the lower end opening of the lower cover cylinder 31D directly forms the discharge port.

In this embodiment, preferably, a circle of the lower cover body 32D is sleeved outside the lower cover cylinder 31D, and the lower cover body 32D and the lower cover cylinder 31D are integrally injection-molded. A bottleneck connecting groove is formed between the lower cover body 32D and the lower cover barrel 31D, and an internal thread 5D is arranged in the bottleneck connecting groove of the lower cover body 32D and is used for being matched and connected with an external thread on the bottle body 200. In the present embodiment, the lower cover body 32D is a connecting portion.

The upper cover 4D includes an upper cover cylinder 41D and an upper cover body 42D, and the upper cover cylinder 41D has a cylinder structure with a sealed upper end and an open lower end. The upper cover body 42D is sleeved outside the upper cover cylinder 41D and is integrally connected with the upper cover cylinder 41D, and a connecting chute is formed between the upper cover body 42D and the upper cover cylinder 41D. The upper cover cylinder 41D is inserted into the lower cover cylinder 31D and movably abutted against the inner wall of the lower cover cylinder 31D, and the upper end of the lower cover cylinder 31D is inserted into the connecting chute, so that the upper cover cylinder 41D, the lower cover cylinder 31D and the sealing piston 1D surround to form a sealed material storage cavity.

The lower cover body 32D and the upper cover body 42D are connected to each other by a protrusion and groove structure, for example, a fourth annular protrusion 78D and a fifth annular protrusion 79D are formed on the inner side of the upper end of the lower cover body 32D, and the fourth annular protrusion 78D is located above the fifth annular protrusion 79D. Set up a round fourth annular recess 77D in upper cover body 42D lower part outside, when sealing piston 1D was in the closure state, fourth annular recess 77D and fourth annular protruding 78D cooperation sealing joint, when sealing piston 1D was in the open mode, fourth annular recess 77D and fifth annular protruding 79D cooperation joint. In other embodiments, the groove and the protrusion can be arranged in an alternative way.

Sealing piston 1D and discharge gate can be dismantled sealing connection, and sealing piston 1D, lower cover section of thick bamboo 31D and upper cover section of thick bamboo 41D surround and form the storage cavity that is used for storing the solute, and sealing piston 1D, lower cover section of thick bamboo 31D and upper cover section of thick bamboo 41D constitute storage cavity portion promptly in this embodiment. The top column 2D is arranged in the material storage cavity, the upper end of the top column is integrally connected with the upper cover cylinder 41D, and the lower end of the top column is fixedly clamped with the sealing piston 1D. External force can press upper cover 4D wholly towards sealed piston 1D for upper cover 4D wholly slides along connecting the spout, fourth annular recess 77D and the protruding 78D separation of fourth annular and with the protruding 79D joint of fifth annular. The support column 2D drives the sealing piston 1D to move, so that the closed state of the sealing connection between the sealing piston 1D and the discharge port is changed into an open state separated from the discharge port. The solute stored in the storage cavity can flow out from the gap between the sealing piston 1D and the discharge hole and is mixed with the water sealed in the bottle body 200.

Preferably, for better solute outflow, the sealing piston 1D is obliquely arranged near the top pillar 2D to form a slope for facilitating solute flow. Set up baffle 6D on domatic simultaneously, set up three to five usually, baffle 6D encircles even the setting of fore-set 2D equidistant. When pressing upper cover cylinder 41D and making sealing piston 1D be in the open mode, thereby sealing piston 1D moves down and opens the storage cavity, and baffle 6D is in the position of discharge gate this moment, plays the supporting role to the discharge gate. Solute in the storage cavity can smoothly flow out along the slope from the area between the two baffle plates 6D.

The sealing piston 1D needs to be connected with the lower cover cylinder 31D at the discharge port in a sealing manner and can be smoothly separated from the lower cover cylinder 31D in use. Therefore, in this embodiment, a clamping connection mode is preferably adopted, for example, a circle of first annular groove 71D is provided on the inner side of the discharge port, a circle of first annular protrusion 72D is correspondingly provided on the outer side surface of the sealing piston 1D, the first annular groove 71D is clamped with the first annular protrusion 72D, and the groove and the protrusion may be provided in an alternative manner in other embodiments. In order to further strengthen the leakproofness simultaneously, the lower surface that sealed piston 1D and lower cover cylinder 31D are flush can also adopt the ultrasonic bonding seal membrane to play better sealed effect.

Since the upper cover 4D is pressed by an external force to open the sealing piston 1D, a sealing protection cap 8D is preferably provided to protect the upper cover 4D in order to prevent accidental opening during storage and transportation. The sealing protective cover 8D is a cylindrical hard structure with the upper end closed and the lower end opened, is detachably connected with the upper end of the lower cover body 32D and is used for protecting the upper cover 4D from being affected by external force in a non-use state. In this embodiment, the sealing protection cover 8D and the lower cover body 32D are also connected in a matching manner through a protrusion and groove structure, for example, a circle of second annular protrusion 74D is disposed on the inner side of the bottom of the sealing protection cover 8D, and a circle of second annular groove 73D is disposed on the outer side of the upper end of the lower cover body 32D, and the two are clamped in a matching manner. In other embodiments, the groove and the protrusion can be arranged in an alternative way.

The lower cover body 32D is provided with an anti-theft ring 9D below, and the top of the anti-theft ring 9D is integrally connected with the bottom edge of the lower cover body 32D through a plurality of filament structures. This arrangement is conventional in the art and is well known to those skilled in the art and will not be described in detail herein.

In this embodiment, in order to facilitate manufacturing and assembling the present piston-type instant bottle cap 100, it is preferable that the upper end of the top pillar 2D is integrally connected to the upper cap cylinder 41D, that is, the top pillar 2D, the upper cap cylinder 41D, and the upper cap body 42D are integrally formed by injection molding during manufacturing. And the lower extreme of fore-set 2D adopts protruding groove structure and can dismantle with sealed piston 1D and be connected, if set up round third annular groove 75D on the lower extreme of fore-set 2D, sealed piston 1D upper end forms one and supplies fore-set 2D lower extreme male spliced eye, is provided with round third annular protrusion 76D on the inner wall of spliced eye, third annular groove 75D and the protruding 76D cooperation joint of third annular. In other embodiments, the groove and the protrusion can be arranged in an alternative way.

Install upper cover 4D to lower cover 3D earlier when production, invert this combination again and make lower cover section of thick bamboo opening up, then inject right amount of solute into lower cover section of thick bamboo 31D, install sealed piston 1D again and make sealed piston 1D and fore-set 2D and upper cover body 42D and lower cover body 32D cooperation joint, again with sealed visor 8D install on lower cover body 32D, and adopt ultrasonic welding technology to the position that needs sealed processing, the piston is joined in marriage the bottle lid promptly and is installed the completion. Then, a proper amount of water is filled in the bottle body 200, and the piston type instant bottle cap 100 is screw-sealed with the bottle body.

When the sealing protective cover is used, the sealing protective cover 8D is taken down firstly, then the top of the upper cover cylinder 41D is pressed, and when the top of the upper cover cylinder is flush with the top of the lower cover body, the fourth annular groove 77D and the fifth annular protrusion 79D are matched and clamped, so that the sealing protective cover is pressed in place. Make sealed piston 1D and the separation of a lower cover section of thick bamboo 31D through the conduction of fore-set 2D to open the storage cavity, the solute in the storage cavity flows down under the effect of gravity and mixes with the water in the bottle 200, stews or can drink after shaking the misce bene.

Implement the embodiment of the utility model provides a, following beneficial effect has: the piston type instant bottle cap and the bottle adopting the same are integrally designed to have no sealing film or weak layer structure, the piston is used for sealing the discharge hole, the processing and assembling cost of parts is low, the reject ratio of product parts can be greatly reduced, and the automatic production is easy to realize; and when the discharge port is in a closed state, the whole structure is strong in stability, high in sealing performance and high in oxygen and moisture resistance, and the defects of the technical scheme that a sealing film is punctured or a weak layer is opened in the prior art are overcome.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims (10)

1. The piston type instant dispensing bottle cap is characterized by comprising a storage cavity part, a sealing piston and a top column, wherein a storage cavity is formed in the storage cavity part, a discharge hole is formed in the bottom of the storage cavity, the sealing piston is detachably and hermetically connected with the discharge hole and used for sealing the storage cavity, the top column is arranged in the storage cavity, the lower end of the top column is fixedly connected with the sealing piston, and the upper end of the top column is fixedly connected with the upper end of the storage cavity part; the part that storage cavity portion and the fore-set are connected can move towards sealed piston under the exogenic action, makes sealed piston with the discharge gate separation, opens the storage cavity.

2. The piston-type ready-to-dispense bottle cap according to claim 1, further comprising a baffle plate, wherein a side of the sealing piston adjacent to the top pillar is sloped and fixedly connected to the baffle plate, and the baffle plate is configured to support the discharge port in the open state.

3. The piston-type instant dispensing bottle cap according to claim 2, wherein a ring of first annular groove is formed inside the discharge port, a ring of first annular protrusion is correspondingly formed on the outer side surface of the sealing piston, and the first annular groove is in sealing engagement with the first annular protrusion for sealing the storage chamber.

4. The piston type instant dispensing bottle cap according to claim 3, further comprising a connecting portion, wherein the connecting portion is sleeved outside the storage cavity portion and integrally connected with the storage cavity portion, a bottle mouth connecting groove is formed between the connecting portion and the storage cavity portion, and an internal thread is formed in the bottle mouth connecting groove by the connecting portion.

5. The piston type instant dispensing bottle cap according to claim 4, further comprising a sealing protective cap, wherein the sealing protective cap is cylindrical, the upper end of the sealing protective cap is closed, and the lower end of the sealing protective cap is opened, and the sealing protective cap is in sealing clamping connection with the upper end of the connecting part through a raised groove structure and is used for protecting the storage cavity part from external force in a non-use state; the bulge groove structure comprises a second annular bulge and a second annular groove which are matched with each other, the second annular bulge or any one of the second annular grooves is arranged on the inner side of the bottom of the sealing protective cover, and correspondingly, the other one of the second annular bulge and the second annular groove is arranged on the outer side of the upper end of the connecting part.

6. The piston-type ready-to-dispense bottle cap according to claim 5, wherein a pilfer proof ring is provided below the connecting portion, and a top of the pilfer proof ring is integrally connected to a bottom edge of the connecting portion by a plurality of filament-like structures.

7. The piston type instant dispensing bottle cap according to claim 6, wherein the piston type instant dispensing bottle cap comprises an upper cap and a lower cap, the lower cap comprises a lower cap cylinder and the connecting portion, the bottom of the lower cap cylinder is provided with the discharge hole, the connecting portion is sleeved outside the lower cap cylinder and integrally connected with the lower cap cylinder, the inner side of the upper end of the connecting portion is provided with a third annular groove, the outer side of the bottom of the upper cap is correspondingly provided with a third annular protrusion, the third annular groove is in fit clamping connection with the third annular protrusion, the upper cap is further in seal connection with the connecting portion through ultrasonic welding, and the upper cap, the lower cap and the sealing piston surround to form the storage cavity; the top post upper end with the upper cover is connected, the upper cover with form the deformation district that the round easily takes place to deform around the shore connection department.

8. The piston type instant dispensing bottle cap according to claim 6, wherein the piston type instant dispensing bottle cap comprises an upper cap and a lower cap, the lower cap comprises a lower cap cylinder and the connecting part, the bottom of the lower cap cylinder is provided with the discharge hole, the connecting part is sleeved outside the lower cap cylinder and is integrally connected with the lower cap cylinder through a middle part, the upper end of the lower cap cylinder is provided with an opening, and the inner wall of the upper end of the connecting part is provided with a fourth annular bulge and a fifth annular bulge; the upper cover comprises an upper cover cylinder and an upper cover body, the upper cover body is sleeved outside the upper cover cylinder and is integrally connected with the upper cover cylinder, a connecting sliding groove is formed between the upper cover body and the upper cover cylinder, and a fourth annular groove is formed in the outer side of the bottom of the upper cover body; the upper cover cylinder is inserted into the lower cover cylinder and movably abutted against the inner wall of the lower cover cylinder, and the upper end of the lower cover cylinder is inserted into the connecting chute, so that the upper cover cylinder, the lower cover cylinder and the sealing piston surround to form the sealed material storage cavity; when the sealing piston is in the closed state, the fourth annular groove is matched and sealed with the fourth annular protrusion in a clamped mode, and when the sealing piston is in the open state, the fourth annular groove is matched and sealed with the fifth annular protrusion in a clamped mode.

9. The piston-type instant bottle cap according to claim 8, wherein the lower cap cylinder is of a straight cylinder type, and a lower end opening of the lower cap cylinder forms the discharge port; or the lower part of the lower cover cylinder is of a funnel-shaped structure, so that the inner diameter of the cross section of the lower cover cylinder is gradually reduced.

10. A bottle with a piston-type instant bottle cap is characterized by comprising: the piston-type instant dispensing bottle cap and the bottle body as claimed in any one of claims 1 to 9, wherein an internal thread is provided on the piston-type instant dispensing bottle cap, an external thread corresponding to the internal thread is provided at the bottle mouth of the bottle body, and the bottle body and the piston-type instant dispensing bottle cap are connected in a thread sealing manner.

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