CN218325180U

CN218325180U - Vacuum adapter

Info

Publication number: CN218325180U
Application number: CN202121801504.5U
Authority: CN
Inventors: 汪须忠
Original assignee: Shenzhen Liyijiujiu Network Technology Co Ltd
Current assignee: Shenzhen Liyijiujiu Network Technology Co Ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2023-01-17
Anticipated expiration: 2031-08-03

Abstract

The present application relates to a vacuum adapter including a body portion defining an interior cavity; the main body part is provided with a through hole which is used for connecting a vacuum pump, and the inner cavity can be communicated with the outside through the through hole; the body portion further having an opening for connection with a mouth of a metal-capped can bottle, the internal cavity being communicable with the outside through the opening; the inner surface of the main body part is provided with at least two raised parts which are circumferentially distributed around the inner surface of the main body part; a protrusion is arranged on the outer surface of the main body part close to the opening; a sealing gasket having a snap groove corresponding to the protrusion, the snap groove configured to engage the protrusion to removably snap the sealing gasket to the body portion.

Description

Vacuum adapter

Technical Field

The present application relates to an accessory for evacuating a metal-capped can bottle, and more particularly to a vacuum adapter.

Background

With the increasing awareness of the importance of food safety, the vacuum sealing of perishable food in homes and kitchens is becoming more and more important. Storing food in vacuum is a non-chemical method that helps keep food fresh. Most vacuum sealers are not well suited for home use because they require a large vacuum chamber in which food is placed for storage. Large vacuum chambers are costly and take a long time to evacuate the air. Since metal-capped cans and domestic small vacuum pumps are ubiquitous in most homes, the metal cap is pressed at the mouth of the bottle by atmospheric pressure when air is drawn from the bottle, so that the can acts as a small vacuum chamber, requiring a suitable adapter to connect the metal-capped can and the vacuum pump.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need for a vacuum adapter that is suitable for use in the connection of a metal-capped can bottle to a vacuum pump.

In one aspect, a vacuum adapter is provided, comprising: a body portion defining an internal cavity; the main body part is provided with a through hole which is used for connecting a vacuum pump, and the inner cavity can be communicated with the outside through the through hole; the main body part is also provided with an opening which is used for connecting with the mouth of the metal cap canned bottle, and the inner cavity can be communicated with the outside through the opening; the inner surface of the main body part is provided with at least two raised parts which are circumferentially distributed around the inner surface of the main body part; the outer surface of the main body part close to the opening is provided with a protrusion; a sealing gasket having a catch corresponding to the protrusion, the catch configured to engage the protrusion to removably snap the sealing gasket onto the body portion.

In one embodiment, the inner surface of the body portion is provided with three raised pads.

In one embodiment, the three raised pads are circumferentially distributed at 120 ° intervals.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the application, and the description of the exemplary embodiments of the application are intended to be illustrative of the application and are not intended to limit the application.

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a perspective view of a vacuum adapter of one embodiment;

fig. 2 is a cross-sectional view of the vacuum adapter connecting to a metal cap can bottle.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiment in many different forms than those described herein and those skilled in the art will be able to make similar modifications without departing from the spirit of the application and therefore the application is not limited to the specific embodiments disclosed below.

Fig. 1 shows a perspective view of a vacuum adapter 10 for a metal-capped can bottle 14 according to the present application, and fig. 2 shows a cross-sectional view of the vacuum adapter 10 of fig. 1. The vacuum adapter 10 has a generally concave body portion 11 defining an internal cavity 111, the body portion 11 having a through hole 20 and an opening 30, the internal cavity 111 being communicable with the outside through the through hole 20 and the opening 30, respectively. The through hole 20 is adapted to be connected to a vacuum pump, and the opening 30 is adapted to be connected to the mouth of the metal-capped jar bottle 14. The vacuum adapter 10 also includes a sealing gasket 16 disposed at the opening 30 for sealing the junction when the opening 30 is connected to the mouth of the metal-capped can bottle 14. The body portion 11 is provided with a protrusion 113 on the outer surface 112 adjacent the opening 30, and the sealing gasket 16 is provided with a catch 162 corresponding to the protrusion 113, the catch 162 being configured to engage the protrusion 113 to removably catch the sealing gasket 16 on the body portion 11. At least two raised areas 18 are provided on the inner surface 114 of the main body portion 11, the at least two raised areas 18 being circumferentially distributed around the inner surface 114 of the main body portion 11.

In the preferred embodiment, three raised pads 18 are provided on the inner surface 114 of the main body portion 11. In the preferred embodiment, three raised pads 18 are circumferentially spaced at 120 intervals.

Before evacuation, the metal disc cap 12 is loosely placed over the mouth of the metal cap bottle 14, the retaining ring (not shown) of the metal disc cap 12 is set aside, the opening 30 of the vacuum adapter 10 is aligned with the mouth of the metal cap bottle 14, and the vacuum adapter 10 is pushed down over the mouth so that the sealing gasket 16 forms a seal with the male thread protrusion 17 at the mouth of the metal cap bottle 14, and the raised portion 18 of the vacuum adapter 10 abuts the circumference of the metal disc cap 12. The vacuum pump is connected to the through hole 20 of the vacuum adapter 10 by a hose, and when the vacuum pump is turned on to draw air out through the hose, first the space above the metal disc cover 12 is vacuumed, which has three effects: (1) The sealing gasket 16 is pressed tighter around the protrusion 17 due to the external atmospheric pressure, thereby forming a tighter seal; (2) The entire vacuum adapter 10 is pushed down onto the canister by atmospheric pressure; (3) The metal disc cap 12 is pushed upwards by the air flow in the metal cap can bottle 14.

The metal disc cap 12 is firmly pressed by the raised portions 18 and thus cannot move, and a passage is formed between adjacent raised portions 18 so that air in the metal cap can bottle 14 can escape through the passage into the space above the metal disc cap 12.

When the metal-capped bottle 14 has escaped completely, the vacuum pump is turned off so that atmospheric air enters the space above the metal disc cap 12 through the through hole 20, and the metal disc cap 12 is firmly pressed above the mouth of the bottle by atmospheric pressure, thereby sealing the metal-capped bottle 14. The vacuum adapter 10 can now be easily removed from over the mouth of the bottle and then the retaining ring tightened to hold the metal disc cap 12 in place by the mating of the internal threads of the retaining ring and the external threads at the mouth of the metal cap can bottle 14.

The embodiments described in this specification and the disclosure therein are provided by way of illustration only. The present application is equally applicable to other types of vacuum adapters.

While the present application has been described in detail with reference to the disclosed embodiments, various modifications within the scope of the present application will be apparent to those of ordinary skill in the art. It should be understood that features described with respect to one embodiment may generally be applied to other embodiments.

Claims

1. A vacuum adapter, comprising: a body portion defining an internal cavity; the main body part is provided with a through hole which is used for connecting a vacuum pump, and the inner cavity can be communicated with the outside through the through hole; the main body part is also provided with an opening which is used for connecting with the mouth of the metal cap canned bottle, and the inner cavity can be communicated with the outside through the opening; the inner surface of the main body part is provided with at least two raised parts which are circumferentially distributed around the inner surface of the main body part; a protrusion is arranged on the outer surface of the main body part close to the opening; a sealing gasket having a snap groove corresponding to the protrusion, the snap groove configured to engage the protrusion to removably snap the sealing gasket to the body portion.

2. The vacuum adapter of claim 1, wherein the inner surface of the body portion is provided with three raised pads.

3. The vacuum adapter of claim 2, wherein the three raised pads are circumferentially spaced at 120 ° intervals.