WO2009030111A1

WO2009030111A1 - Conjugating structure between bottle neck and bottle cap

Info

Publication number: WO2009030111A1
Application number: PCT/CN2008/001544
Authority: WO
Inventors: Jie Li; Jiayuan Yin; Zhiyong Yin
Original assignee: Beijing Wanjiang Technology Limited
Priority date: 2007-08-28
Filing date: 2008-08-28
Publication date: 2009-03-12
Also published as: CN101100229A

Abstract

A conjugating structure between a bottle neck and a bottle cap is provided with two sealing rings. The bottle cap (10) and the bottle neck (20) are connected by a cap connecting member and a neck connecting member. The bottle cap (10) comprises a cap top and a cap wall. Inside the cap wall are provided the cap connecting member and a cap sealing member under the cap connecting member. The bottle neck (20) comprises a neck wall. Outside the neck wall are provided the neck connecting member conjugated with the cap connecting member and a neck sealing member under the neck connecting member. When the connection between the bottle cap (10) and the bottle neck (20) is accomplished by the cap connecting member and the neck connecting member, a cap top closed plane (4) is closed by a neck top face (14) to make up a first sealing ring and the cap sealing member is closed by the neck sealing member to make up a second sealing ring. The outer edge of the bottle neck after closing the bottle cap keeps out dust and bacteria, thus ensuring hygienic bottle neck during usage condition.

Description

Matching structure of bottle mouth and bottle cap and bottle provided therewith

The invention belongs to the field of packaging technology, and mainly relates to a matching structure of a bottle mouth and a bottle cap and a bottle provided therewith, in particular to a matching structure of a bottle mouth and a bottle cap having a sanitary seal function and two sealing rings and Set the bottle with it. Background technique

With the maturity of blow molding technology and the extensive use of blow molding machines, blow molded bottles have been widely used in carbonated beverages, juice drinks, mineral water, purified water, milk, soy milk, vegetable oils and other liquids. The mouth of this blow molded bottle is generally sealed with a screw cap. The seal ring is located at the top of the bottle mouth. The outer edge of the bottle mouth below the seal ring is directly connected to the atmosphere. In order to prevent secondary canning, a disposable anti-counterfeit pull ring is provided at the lower end of the cap. In the production, transportation, storage, and use of all aspects, the outer edge of the bottle mouth is always open to the atmosphere, can not guarantee its sterile, dust-free hygienic environment, especially when drinking directly as a beverage bottle, the lips are inevitably in contact with the outer edge of the bottle mouth. In particular, the residue of the sugar-containing liquid on the outer edge of the bottle mouth is more likely to cause pathogenic bacteria, thereby causing serious health hazards.

The invention provides an improved structural design of the bottle mouth and the bottle cap, so that the outer edge of the bottle mouth is isolated from the outside air, so that it is basically kept clean, dust-free and sterile, and is a problem to be solved. Summary of the invention

The present invention has been made in view of the above problems.

According to an aspect of the invention, a fitting structure of a bottle mouth and a bottle cap is proposed. The bottle cap and the bottle mouth are connected by a cap connector and a bottle mouth connecting member, wherein: the cap includes a cap top and a cap wall, and the cap wall The inside of the bottle is provided with a cap connector and a cap seal under the cap connector; the bottle mouth includes a bottle mouth wall, and the bottle mouth connecting piece is arranged outside the bottle mouth wall and the bottle mouth connecting piece is arranged at the bottle mouth connecting piece Lower bottle seal; when the cap and the bottle mouth are connected through the cap connector and the bottle mouth connector, the top cover closing surface of the cap is tightly closed with the top surface of the bottle mouth to form a first sealing ring, and at the same time The cap seal and the mouth seal are tightly closed to form a second seal ring.

The first seal ring prevents liquid from escaping inside the bottle and the second seal ring prevents outside air from entering. When the cap is closed, the outer edge of the bottle mouth is substantially in a dust-free, sterile sanitary state. Thus, when the mouth of the drinker contacts, for example, the mouth of the drink bottle, a relatively safe sanitary environment can be obtained.

Optionally, the cap connector is a cap thread, and the cap connector is a bottle thread. Optionally, the cap seal forms a first closed plane extending radially outward from the lid wall, and the finish seal forms a second closed plane extending radially outward from the outside of the mouth of the bottle, when the bottle When the cap and the mouth of the bottle are connected to the mouth seal by the cap seal, a flat close close is formed between the first closed plane and the second closed plane.

Optionally, the cap seal is formed as a first protrusion protruding radially inward from the cover wall, and the bottle mouth seal is formed as a second protrusion protruding radially outward from the outside of the bottle mouth, When the cap and the mouth of the bottle are connected to the mouth seal through the cap seal, the first projection and the second projection are pressed against each other to form a tight closure.

Optionally, the cap seal is formed as a recess recessed inside the cover wall, and the finish seal is formed as a protrusion that protrudes radially outward from the outside of the bottle mouth, when the cap and the bottle pass When the cap seal is fully attached to the finish seal, the projection fits within the recess to form a tight closure.

Optionally, the lower skirt portion of the bottle cap is provided with a tear strip which is detachably connected thereto, the inner wall of the tear strip is provided with a convex positioning ring, and the outer edge of the lower portion of the bottle mouth is provided with a convex check ring. When the cap and the mouth of the bottle are first connected by the cap seal and the cap seal, the retaining ring is irreversibly located below the check ring. When the bottle is opened for the first time, the cap is lifted, and the tear strip is restrained from the loop and separated from the cap body. Therefore, the tear tape can indicate that the bottle has been opened, thereby effectively preventing secondary canning and ensuring the health of the consumer.

The matching structure of the bottle mouth and the bottle cap provided by the invention has two sealing rings with a simple structure and low production cost, so that the bottle of the beverage bottle can guarantee the bottle in all aspects of canning, storage, transportation and sale. The outer edge of the mouth is always in a generally dust-free, sterile hygienic environment, providing a safety guarantee for the consumer to directly use the lips for drinking.

According to another aspect of the present invention, there is also proposed a bottle provided with a fitting structure of a bottle mouth and a bottle cap as described above. DRAWINGS

1 is a schematic structural view of a cap of a fitting structure of a bottle mouth and a bottle cap according to an embodiment of the present invention; FIG. 2 is a bottle mouth of a fitting structure of a bottle mouth and a bottle cap according to an embodiment of the present invention; FIG. 3 is a schematic view showing a fitting structure of a bottle mouth and a bottle cap according to an embodiment of the present invention.

In the picture: 1 cap first thread

2 cap second thread

3 guide ring

4 cover top closing surface

5 tear belt

6 positioning ring 7 breakpoint

8 first closed plane

10 caps

1 1 bottle mouth first thread

12 bottle mouth second thread

14 top of the bottle mouth

16 check loop

18 second closed plane

20 bottle mouth

Embodiments of the present invention will be described in detail below with reference to the drawings, in which like reference numerals refer to the same. 1 is a schematic structural view of a cap 10 of a fitting structure of a bottle mouth and a bottle cap according to an embodiment of the present invention; and FIG. 2 is a bottle of a mating structure of a bottle mouth and a cap according to an embodiment of the present invention; FIG. 3 is a schematic view showing the mating structure of the bottle mouth 20 and the bottle cap 10 according to an embodiment of the present invention.

In the mating structure of the bottle mouth and the bottle cap according to the present invention, the bottle cap 10 and the bottle mouth 20 are connected by the cap connector and the mouthpiece 20 connecting member, wherein: the cap 10 includes a cap top and a lid wall, and the inside of the cap wall A cap connector and a cap seal under the cap connector are provided; the cap 20 includes a bottle wall, and a bottle port connector for engaging the cap connector and a mouth port connector are disposed outside the bottle wall The bottle mouth seal below; when the bottle cap 10 and the bottle mouth 20 are connected by the cap connector and the bottle mouth connector, the top cover closing surface of the cap is tightly closed with the top surface of the bottle mouth 20 to form a first seal The ring, while the cap seal and the mouth seal are tightly closed to form a second seal ring.

The first seal ring prevents, for example, liquid from spilling out of the beverage bottle, and the second seal ring prevents outside air from entering. After the cap 10 is closed, the outer edge of the mouth 20 is in a relatively dust-free, sterile hygienic state, thereby providing a relatively safe and hygienic environment for the drinker to directly contact the bottle neck with the lips.

The cap connector and the cap connector here may be in the form of a thread, i.e., the cap connector is a cap thread and the cap connector is a bottle thread. Of course, it can also be any other form that can be thought of by a person of ordinary skill in the art, such as a snap connection.

The following is an example of a thread form. As shown, the cap 10 is a hollow cap-like structure in the shape of a cylinder with the top end closed. The cap thread here may be a cap first thread 1 and a cap second thread 2 disposed on the inner side of the cap wall, and the cap thread may be a first thread 11 and a second port of the bottle mouth disposed outside the bottle wall Thread 12, of which the bottle The first thread 1 of the cap cooperates with the first thread 1 1 of the bottle mouth, and the second thread 2 of the cap cooperates with the second thread 12 of the bottle mouth to screw the cap 10 onto the bottle mouth 20 or unscrew the bottle cap from the bottle mouth 20 10. It should be noted that the complete connection of the cap 10 and the mouth 20 herein indicates that the cap thread and the cap thread are fully mated. Of course, it is also possible to use a single thread form.

As shown in Figures 1 and 3, at the inner end of the cap 10, an annular guide ring 3 is provided which guides the bottle opening 20 to better close with the cap 10 when the cap 10 is screwed onto the mouth 20. The top of the cover between the guide ring 3 and the cover wall is the top closure surface 4 which is in close contact with the top surface 14 of the finish 20 to form a first seal ring.

The cap seal and the bottle seal are described below.

As shown in Figures 1 and 3, the cap seal is formed as a first closed plane 8 extending radially outward from the cap wall, and the finish seal is formed to extend radially outward from the outside of the mouth 20 The second closure plane 18 forms a planar tight closure between the first closure plane 8 and the second closure plane 18 when the closure 10 and the finish 20 are connected by the cap thread and the finish thread. As shown, the first closure plane 8 is disposed below the cap thread on the inside of the cap 10; correspondingly, the second closure plane 18 is disposed below the mouth of the bottle mouth 20, the first closed plane 8 and The second closure plane 18 is tightly closed to form a second seal ring. In addition, the vertical distance between the cap closing surface 4 in the cap 10 and the first closing plane 8 is equal to the vertical distance between the top surface 14 of the mouth 20 and the second closing plane 18.

The cap seal and the bottle seal can take other forms. For example, the cap seal is formed as a first protrusion that protrudes radially inward from the cover wall, and the finish seal is formed as a second protrusion that protrudes radially outward from the outside of the bottle mouth 20, when When the cap 10 and the mouth 20 are connected by the cap thread and the cap thread, the first projection and the second projection are pressed against each other to form a tight closure. Or for example, the cap seal is formed as a recess recessed into the inside of the cap wall, and the finish seal is formed as a projection that projects radially outward from the outside of the bottle mouth, when the cap 10 and the mouth 20 When the connection is made by the cap thread and the mouth thread, the projection fits within the groove to form a tight closure.

The embodiment also provides a tear strip 5 detachably connected to the lower skirt portion of the bottle cap 10, the inner wall of the tear strip 5 is provided with a convex positioning ring 6, and the outer edge of the lower portion of the bottle mouth 20 is convex. The check ring 16 is positioned irreversibly below the check ring 16 when the cap 10 and the mouth 20 are first joined by the cap thread and the bottle thread. Advantageously, the tear strip 5 is joined to the cap 10 at a break point 7 in a punctiform manner. Here, the cap 10 and the bottle mouth 20 are firstly connected by the cap thread and the bottle mouth thread. After the bottle can be filled with liquid, the cap 10 provided with the tear tape is inserted into the bottle mouth 20 and tightened so that the two seal rings are formed. Case. When the bottle is first opened, the cap 10 is lifted along the thread, and the tear strip 5 is restrained by the loop 16 to be separated from the cap body to prevent secondary canning.

The present invention also relates to a bottle provided with the above-described fitting structure of the bottle mouth and the bottle cap. In addition, it should be noted that although the invention is explained by taking the bottle as an example, the bottle herein may be any container having a similar structure with a container mouth and a container lid covering the mouth of the container, including medical and chemical. Containers, etc.

Although several embodiments have been shown and described, it will be understood by those of ordinary skill in the art It is determined by the claims and their equivalents.

Claims

1 . A mating structure of a bottle mouth and a bottle cap, wherein the bottle cap and the bottle mouth are connected by a cap connector and a bottle mouth connector, wherein:

The cap includes a cap top and a lid wall, and a cap connector is disposed inside the cap wall and a cap seal under the cap connector;

The bottle mouth includes a bottle mouth wall, and a bottle mouth connecting member matched with the bottle cap connecting member and a bottle mouth sealing member under the bottle mouth connecting member are disposed outside the bottle mouth wall;

When the cap and the bottle mouth are connected through the cap connector and the bottle mouth connector, the top closure surface of the cap is tightly closed with the top surface of the bottle mouth to form a first sealing ring, and the cap seal and the bottle mouth The seal is tightly closed to form a second seal ring.

2. A mating structure according to claim 1 wherein - said cap connector is a cap thread and said cap connector is a bottle thread.

3. The mating structure according to claim 1, wherein:

The cap seal forms a first closed plane extending radially outward from the lid wall, and the finish seal forms a second closed plane extending radially outward from the outside of the mouth of the bottle, when the cap and the mouth When the connection is completed by the cap connector and the mouthpiece connector, a planar close closure is formed between the first closed plane and the second closed plane.

4. The mating structure according to claim 1, wherein:

The cap seal is formed as a first protrusion that protrudes radially inward from the cover wall, and the finish seal is formed as a second protrusion that protrudes radially outward from the outside of the bottle mouth, when the cap and When the mouth of the bottle is connected through the cap connector and the mouthpiece connector, the first projection and the second projection are pressed against each other to form a tight closure.

5. The mating structure according to claim 1, wherein:

The cap seal is formed as a recess recessed inside the cover wall, and the finish seal is formed as a protrusion that protrudes radially outward from the outside of the bottle mouth, when the cap and the bottle mouth pass through the cap connector When the connection to the mouthpiece is completed, the projection fits within the recess to form a tight closure.

6. A mating structure according to any one of claims 1 to 5, wherein:

The lower part of the bottle cap is provided with a tear strip which is detachably connected to the bottle cap, the inner wall of the tear strip is provided with a convex positioning ring, and the outer edge of the lower part of the bottle mouth is provided with a convex check ring, when the bottle cap and the bottle are When the mouth is connected for the first time through the cap connector and the mouthpiece connector, the positioning ring is irreversibly located below the check ring.

A bottle provided with a fitting structure of a bottle mouth and a bottle cap according to any one of claims 1 to 6.