CN211418241U

CN211418241U - Long-acting vacuum fresh-keeping tank

Info

Publication number: CN211418241U
Application number: CN201920523474.2U
Authority: CN
Inventors: 林万顷; 陈水松; 余建
Original assignee: Xiamen Qizhi Kitchen Technology Co ltd
Current assignee: Xiamen Qizhi Kitchen Technology Co ltd
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2020-09-04
Anticipated expiration: 2029-04-17

Abstract

The utility model provides a long-term vacuum refreshing jar relates to fresh-keeping jar technical field, including U-shaped cap, upper cover, rubber ring and jar body, the rubber ring closely locates the upper cover periphery, and with jar body oral area adaptation makes the upper cover with jar body forms airtight space, the upper cover is equipped with the air vent, install the pneumatic valve in the air vent, U-shaped cap cover is located the upper cover. After the preservation tank is vacuumized, the upper cover is tightly pressed on the tank body by the internal and external pressure difference, and the elastic rubber ring deforms; the U-shaped cap is screwed, the deformation state of the shape-locking rubber ring is locked by mechanical force in a spiral mode, so that the air tightness is further enhanced, the vacuum degree is reduced little in long-term use or is not reduced in short-term use, even if the vacuum state disappears, a space with strong relative air tightness is still formed in the container, and the preservation period can be effectively prolonged.

Description

Long-acting vacuum fresh-keeping tank

Technical Field

The utility model belongs to the technical field of fresh-keeping jar technique and specifically relates to a long-term vacuum fresh-keeping jar.

Background

Most of food materials need to be airtight in preservation, and vacuum preservation is a better preservation mode than common airtightness; the fresh-keeping effect is related to the vacuum degree; in actual use, the vacuum degree is always lower and lower until the vacuum disappears; in the field of vacuum refreshing containers, patent documents already disclosed are searched, a common vacuum refreshing cover generally utilizes the pressure difference between the inside and the outside to realize vacuum sealing by depending on the external atmospheric pressure, the vacuum degree is reduced quickly in a short time, and the vacuum refreshing container is not different from a common container with a cover after the vacuum is lost.

In view of the above, the present invention is particularly proposed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a long-acting vacuum fresh-keeping tank which can be sealed efficiently after air exhaust to keep the vacuum degree not to be reduced or reduced little for a long time; the container remains at least sealed after the vacuum is removed.

The utility model discloses specifically adopt following technical scheme to realize:

a long-acting vacuum fresh-keeping tank comprises a U-shaped cap, an upper cover, a rubber ring and a tank body, wherein the rubber ring is tightly arranged on the periphery of the upper cover and is matched with the opening of the tank body, so that the upper cover and the tank body form an airtight space, the upper cover is provided with an air vent, an air valve is arranged in the air vent, and the U-shaped cap is sleeved on the upper cover.

Preferably, the U-shaped cap is provided with a first thread, and the opening of the tank body is provided with a second thread, so that the U-shaped cap is in threaded connection with the tank body.

Preferably, the U-shaped cap and the mouth of the tank body are provided with clamping positions, so that the U-shaped cap is clamped with the tank body.

Preferably, the inner diameter of the U-shaped cap is larger than the outer diameter of the upper cover.

Preferably, the upper top of the U-shaped cap is annular, and the diameter of the annular is larger than the outer diameter of the vent hole and smaller than the outer diameter of the upper cover.

The utility model provides a pair of long-term vacuum refreshing jar, its beneficial effect lies in: after the preservation tank is vacuumized, the upper cover is tightly pressed on the tank body by the difference of internal pressure and external pressure, and the elastic rubber ring is deformed; the U-shaped cap is screwed, the deformation state of the shape-locking rubber ring is locked by mechanical force in a spiral mode, so that the air tightness is further enhanced, the vacuum degree is reduced little in long-term use or is not reduced in short-term use, even if the vacuum state disappears, a space with strong relative air tightness is still formed in the container, and the preservation period can be effectively prolonged.

Drawings

FIG. 1 is an exploded view of the long-term vacuum refreshing tank of the present invention;

fig. 2 is a schematic view of the long-acting vacuum refreshing tank of the present invention.

Detailed Description

To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

The present invention will now be further described with reference to the accompanying drawings and detailed description.

As shown in fig. 1, the long-acting vacuum refreshing tank provided by the embodiment comprises a U-shaped cap 1, an upper cover 2, a rubber ring 3 and a tank body 4; the rubber ring 3 is tightly arranged on the periphery of the upper cover 2 and is matched with the opening part of the tank body 4, so that the upper cover 2 and the tank body 4 form an airtight space; the upper cover 2 is provided with an air vent 21 capable of exhausting air and an adaptive air valve 22.

The upper top of the U-shaped cap 1 of the embodiment is annular, the diameter of the annular is larger than the outer diameter of the vent hole and smaller than the outer diameter of the upper cover 2, but the inner diameter of the U-shaped cap 1 is larger than the outer diameter of the upper cover 2. Be equipped with first screw thread 11 in U type cap 1, jar body 4 oral area is equipped with second screw thread 41 for U type cap 1 can be with jar body 4 spiro union, and the upper cover 2 is pressed tightly on jar body 4 after U type cap 1 and jar body 4 spiro union.

As shown in fig. 2, in the long-acting vacuum fresh-keeping tank provided by this embodiment, when in use, the rubber ring 3 is sleeved on the periphery of the upper cover 2, the air valve 22 is installed in the vent hole, the upper cover 2 is pressed into the mouth of the tank body 4, the U-shaped cap 1 is sleeved on the upper cover 2, an external air pump 5 is used to pump air through the vent hole 21, and after the air pumping is finished, the U-shaped cap 1 is screwed.

Even if the vacuum state disappears completely, the U-shaped cap 1 is also tightly closed with the upper cover 2 because the rubber ring 3 in interference fit is arranged between the upper cover 2 and the tank body 4, and the fresh-keeping container still has good air tightness.

When the cap needs to be opened, the U-shaped cap 1 is unscrewed, the air valve 22 is lifted, the air exhaust channel is opened, external air enters, the vacuum state disappears, and the cap can be opened.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a long-term vacuum refreshing jar, its characterized in that, includes U-shaped cap, upper cover, rubber ring and a jar body, the rubber ring closely is located the upper cover periphery, and with jar body oral area interference fit makes the upper cover with jar body forms airtight space, the upper cover is equipped with the air vent, install the pneumatic valve in the air vent, U-shaped cap cover is located the upper cover, U-shaped cap and jar body oral area are equipped with the screens, make U-shaped cap with jar body joint.

2. The long-acting vacuum refreshing tank according to claim 1, wherein the U-shaped cap is provided with a first thread, and the mouth of the tank is provided with a second thread, so that the U-shaped cap is screwed with the tank.

3. The long-life vacuum refreshing can according to claim 2, wherein an inner diameter of said U-shaped cap is larger than an outer diameter of said upper cover.

4. The long-lasting vacuum refreshing can according to claim 3, wherein the upper top of said U-shaped cap is ring-shaped, and the diameter of the ring-shaped is larger than the outer diameter of said vent hole and smaller than the outer diameter of said upper cover.