CN214691229U

CN214691229U - Box cover, vacuum-pumping cover and container formed by same

Info

Publication number: CN214691229U
Application number: CN202120292781.1U
Authority: CN
Inventors: 张则英
Original assignee: Jiaxing Zhiguanjia Technology Co ltd
Current assignee: Jiaxing Zhiguanjia Technology Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-11-12
Anticipated expiration: 2031-02-02

Abstract

The patent discloses a lid, evacuation lid and container. The box cover comprises a cover body, and the cover body is recessed inwards to form an inwards recessed part; the concave part comprises an airtight structure; the airtight structure comprises a cavity column, a sealing platform connected with the upper end of the cavity column, and a cavity channel penetrating through the cavity column and the sealing platform; the sealing platform comprises a first sealing ring, and the first sealing ring surrounds the cavity channel. The vacuumizing cover comprises a cover body, the airtight structure of the cover body is matched with a detachable sealing piece, and the sealing piece is in sealing fit with the first sealing ring during matching. The vacuumizing cover can play a role in one-way vacuumizing, obviously improves the vacuum degree in the container, and enables the container to have better heat preservation effect and fresh-keeping effect.

Description

Box cover, vacuum-pumping cover and container formed by same

Technical Field

The utility model relates to a lid, evacuation lid and the container that constitutes, especially a evacuation lid that contains one-way evacuation's seal and the container that constitutes belong to the articles for daily use field.

Background

In daily life, containers such as preservation box, fruit box are very common, but preservation box, fruit box all have ordinary lid generally, and usually, ordinary lid generally contains the lid for realize sealed rubber seal (certainly do not contain rubber seal a bit), link to each other with the lid and be used for with the container body complex connecting piece of splendid attire food. However, these conventional covers cannot perform the function of air suction. Some foods are easily oxidized when contacting air, for example, apples are easily oxidized and blackened in air after being cut. The design can extract partial air in the container, can slow down the oxidation process of food, and has great practical significance to the box cover and the container which play a certain fresh-keeping role of food.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lid, evacuation lid and container of constitution. The box cover is simple in structural design, the vacuumizing cover can play a one-way vacuumizing effect and obviously improve the vacuum degree in the container, so that the oxygen content is reduced, the heat conductivity of the vacuumizing cover is reduced, and the container has a better heat preservation effect and a better fresh-keeping effect.

The purpose of the utility model is realized through the following technical scheme:

the box cover comprises a cover body, and the cover body is recessed inwards to form an inwards recessed part; the concave part comprises an airtight structure; the airtight structure comprises a cavity column, a sealing platform connected with the upper end of the cavity column, and a cavity channel penetrating through the cavity column and the sealing platform; the sealing platform comprises a first sealing ring, and the first sealing ring surrounds the cavity channel.

Preferably, the cover body, the concave part and the airtight structure are integrally formed; or the airtight structure can be detachably arranged in the inner concave part.

Preferably, the sealing platform comprises a first ventilation rib, and a plurality of rib ventilation channels are arranged on the first ventilation rib; the first ventilation convex edge surrounds the cavity channel; the first ventilation convex rib is arranged on the inner side of the first sealing ring.

Preferably, the rib airway comprises an open airway and/or a ring airway.

Preferably, the first sealing ring is an equal-height ring. Preferably, the first ventilation convex ridge is a contour ridge. Preferably, the second vent bead is a contour bead.

Preferably, the upper part or the whole of the first sealing ring is semicircular, elliptic, rectangular or rounded rectangular on the section which is vertical to the surface of the sealing platform and extends vertically to the first sealing ring. It is further preferred that the first sealing ring is, in cross-section perpendicular to the sealing platform surface and extending perpendicular to the first sealing ring, semi-circular or elliptical in shape on the upper part or overall. It should be noted that the upper portion of the first seal ring described herein refers to a direction away from the seal platform.

Preferably, the first ventilation ridge is semicircular, elliptical, rectangular or rounded rectangular in shape at its upper portion or its entirety in a cross section perpendicular to the sealing land surface and extending perpendicular to the first ventilation ridge. It is further preferred that the first ventilation ridge is rectangular or rounded rectangular in shape at its upper portion or its entirety in cross-section perpendicular to the surface of the sealing platform and extending perpendicular to the first ventilation ridge.

Preferably, the second vent bead is semicircular, elliptical, rectangular or rounded rectangular in shape at the upper part or the whole of the second vent bead in a cross section perpendicular to the surface of the sealing land and extending perpendicular to the second vent bead. Further preferably, the upper part or the whole of the second vent bead is rectangular or rounded rectangular in cross section perpendicular to the surface of the sealing platform and extending perpendicular to the second vent bead.

Preferably, the height of the first sealing ring is not more than 5 mm. Further preferably, the height of the first sealing ring is less than 0.5mm and not more than 3 mm. Further preferably, the height of the first sealing ring is not less than 1mm and not more than 3 mm. Further preferably, the height of the first sealing ring is not less than 1.5mm and not more than 2.5 mm.

Preferably, the height of the first ventilation ridge is not more than 5 mm. Further preferably, the height of the first ventilation ridge is less than 0.5mm and not more than 3 mm. Further preferably, the height of the first ventilation ridge is not less than 1mm and not more than 3 mm. Further preferably, the height of the first ventilation ridge is not less than 1.5mm and not more than 2.5mm

Preferably, the height of the first ventilation ridge is not lower than that of the first sealing ring. Namely, the height of the first ventilation convex ridge is equal to or less than that of the first sealing ring.

Preferably, the first ventilation ridge and the first sealing ring have the same height except for the ventilation channel. Preferably, the first ventilation ridge, the second ventilation ridge and the first sealing ring have the same height except for the ventilation channel. The equal height and height of the equal height edges refer to the parts except the air duct.

Of course, the lid may further include a rubber sealing ring for better sealing between the lid and the container body, and a connecting member connected to the lid for engaging with the container body. Common connectors may be snaps, threaded rings, etc. by which the lid may be snapped onto the container body, and threaded rings by which the lid may be screwed onto the container body (with corresponding mating threads on the container body).

The vacuumizing cover comprises the box cover, the airtight structure of the box cover is matched with a detachable sealing element, and the sealing element is in sealing fit with the first sealing ring during matching.

Preferably, the sealing element comprises a vent pipe, a first sealing element is arranged at the upper part of the vent pipe, a second sealing element is arranged at the lower part of the vent pipe, a plurality of concave air pipe air ducts are arranged on the outer wall of the vent pipe, and one end of each air pipe air duct penetrates through the second sealing element downwards; when the airtight structure is matched with the sealing piece, the vent pipe passes through the cavity of the airtight structure, and all or part of the at least one tracheal vent pipe is positioned in the cavity; the first sealing element is in sealing fit with the first sealing ring.

Preferably, the sealing element is made of rubber; the cover body, the concave part and the airtight structure are made of plastics or metal.

Preferably, the vent pipe main body is in a cylinder-like shape; the first sealing element is in a cylinder-like shape, takes the outer wall of the vent pipe as a reference starting point, and has the shortest length extending outwards not less than 4mm and the longest length extending outwards not more than 15 mm; and, the thickness of the first seal is 0.2 mm-2 mm; a convex top cap is arranged above the first sealing element, and one end of the air pipe air passage extends upwards and penetrates or does not penetrate through the first sealing element.

A container comprising the aforementioned evacuated lid.

When the sealing device works, under the action of the air pumping tool, the first sealing element on the sealing element tilts, the sealing element and the airtight structure are converted into a non-sealing state from a sealing state, and the gas in the container is pumped away.

The beneficial effect of this patent lies in:

1. this patent lid in lid, interior concave part, airtight structure structural design simple, the leakproofness is good, it is effectual to bleed.

2. The container formed by the vacuumizing cover can play a one-way vacuumizing effect and obviously improve the vacuum degree in the container, thereby reducing the oxygen content and the heat conductivity of the vacuumizing cover, and leading the container to have better heat preservation effect and fresh-keeping effect.

Drawings

Fig. 1 is a perspective view of the box cover in embodiment 1.

Fig. 2 is a top view of the lid of example 1.

Fig. 3 is a sectional view taken along line a-a of the lid of the container in example 1.

Fig. 4 is an enlarged view of the seal I-I of fig. 3.

Fig. 5 is a perspective view of the vacuum lid of example 1.

Fig. 6 is a top view of the vacuum lid of example 1.

FIG. 7 is a sectional view taken along line B-B of the vacuum lid in example 1.

FIG. 8 is an enlarged view of II-II of FIG. 7 when the seal structure is mated with the seal body.

The corresponding relation between each part and the number in the patent drawings is as follows:

the air-tight structure 1, the cavity column 101, the sealing platform 102, the cavity channel 103, the first sealing ring 104, the first ventilation rib 105, the rib ventilation channel 106, the sealing element 2, the ventilation pipe 201, the trachea ventilation channel 202, the first sealing element 203, the second sealing element 204 and the top cap 205; the vacuum box comprises a box cover 10, a cover body 11, a connecting piece 12, an inner concave part 13 and a vacuum pumping cover 20.

Detailed Description

The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.

Example 1

The perspective view of the box cover 10 according to this embodiment is shown in fig. 1, the top view is shown in fig. 2, the sectional view a-a is shown in fig. 3, and the enlarged view I-I in fig. 3 is shown in fig. 4, and the box cover 10 includes a cover body 11 and a connecting member 12, wherein the cover body is recessed to form a recessed portion 13; the concave part comprises a gas-tight structure 1; the airtight structure comprises a cavity column 101, a sealing platform 102 connected with the upper end of the cavity column, and a cavity channel 103 penetrating through the cavity column 101 and the sealing platform 102; the sealing platform comprises a first sealing ring 104 which surrounds the cavity; the cover body, the concave part and the airtight structure are integrally formed. The sealing platform comprises a first ventilation rib 105, and 3 rib ventilation channels 106 are arranged on the first ventilation rib; the first ventilation convex edge surrounds the cavity channel; the first ventilation convex rib is arranged on the inner side of the first sealing ring; the rib air channel comprises an open air channel. The box cover main body is circular. The connecting piece is a threaded ring.

The vacuum-pumping cover 20 is shown in a perspective view in fig. 5, a top view in fig. 6, a sectional view in B-B in fig. 7, and an enlarged view of II-II when the sealing structure is matched with the sealing body in fig. 7 in fig. 8, and includes the above-mentioned cover 10, wherein the airtight structure 1 of the cover is matched with a detachable sealing member 2, and when the sealing member is matched, the sealing member is in sealing fit with the first sealing ring.

The first sealing ring is an equal-height ring, the first ventilation convex edge is an equal-height edge, and the height of the first ventilation convex edge is equal to that of the first sealing ring; on the cross section which is vertical to the surface of the sealing platform and extends vertically to the first sealing ring, the first sealing ring is integrally semicircular; the first vent bead is generally semi-circular in cross-section perpendicular to the surface of the seal land and extending perpendicular to the first vent bead.

The sealing member 2 according to the embodiment comprises a vent pipe 201, wherein a first sealing member 203 is arranged at the upper part of the vent pipe, a second sealing member 204 is arranged at the lower part of the vent pipe, a plurality of concave trachea air passages 202 are arranged on the outer wall of the vent pipe, and one end of each trachea air passage penetrates through the second sealing member downwards; the main body of the vent pipe is in a cylinder-like shape; the first sealing element is cylinder-like; a convex top cap 205 is arranged above the first sealing element, and one end of the air duct of the air pipe extends upwards to the first sealing element; when the airtight structure is matched with the sealing member, the ventilation pipe passes through the cavity 103 of the airtight structure, and all or part of the at least one tracheal ventilation pipe is positioned in the cavity.

The sealing element is prepared from rubber; the cover body, the concave part and the airtight structure are made of plastics or metal.

The container according to this embodiment includes the vacuum lid according to this embodiment.

Example 2

The box cover related to the embodiment is the same as the box cover in the embodiment 1 except that the box cover main body is rectangular, and the connecting piece is a hasp.

The vacuum-pumping cover related to the embodiment comprises the box cover.

The container according to the present embodiment includes the aforementioned vacuum lid.

Example 3

The lid according to this embodiment is the same as embodiment 1 except that the airtight structure is detachably provided in the inner recess.

The vacuum-pumping cover related to the embodiment comprises the box cover.

Claims

1. A box cover comprises a cover body and is characterized in that the cover body is concave inwards to form a concave part; the concave part comprises an airtight structure; the airtight structure comprises a cavity column, a sealing platform connected with the upper end of the cavity column, and a cavity channel penetrating through the cavity column and the sealing platform; the sealing platform comprises a first sealing ring, and the first sealing ring surrounds the cavity channel.

2. The closure of claim 1, wherein said sealing platform includes a first rib, said first rib having a plurality of rib vents; the first ventilation convex edge surrounds the cavity channel; the first ventilation convex rib is arranged on the inner side of the first sealing ring; the rib air channel comprises an open air channel and/or a ring air channel.

3. The closure of claim 2, wherein said first sealing ring has an upper portion or an integral portion in a shape of a semicircle, an ellipse, a rectangle or a rounded rectangle in a cross section perpendicular to the sealing land surface and extending perpendicular to the first sealing ring; the first air ridge may be semi-circular, elliptical, rectangular or rounded rectangular in shape, either on top or in its entirety, in cross-section perpendicular to the surface of the seal platform and extending perpendicular to the first air ridge.

4. The closure of claim 2, wherein said first ventilation ridge is semi-circular, oval, rectangular or rounded rectangular in shape on its upper portion or its entirety in a cross-section taken perpendicular to the sealing platform surface and extending perpendicular to the first ventilation ridge; the upper part or the whole of the first ventilation ridge is rectangular or rounded rectangle on the section which is vertical to the surface of the sealing platform and extends vertical to the first ventilation ridge.

5. The closure of claim 2, wherein said first sealing ring has a height of not less than 1mm and not more than 3mm, and said first ventilation ridge has a height of not less than 1mm and not more than 3 mm; and/or the first sealing ring is an equal-height ring, the first ventilation convex edge is an equal-height edge, and the height of the first ventilation convex edge is not lower than that of the first sealing ring.

6. The cover of claim 1, wherein the cover, the recessed portion, and the airtight structure are integrally formed; or the airtight structure can be detachably arranged in the inner concave part.

7. A vacuum lid according to any preceding claim, including a lid cover, the air-tight arrangement of the lid cover cooperating with a removable sealing member, the sealing member sealingly engaging the first sealing ring when in cooperation.

8. The cap of claim 7, wherein the sealing member comprises a vent tube, a first sealing member is disposed on an upper portion of the vent tube, a second sealing member is disposed on a lower portion of the vent tube, a plurality of concave air ducts are disposed on an outer wall of the vent tube, and one end of each air duct downwardly penetrates the second sealing member; when the airtight structure is matched with the sealing piece, the vent pipe passes through the cavity of the airtight structure, and all or part of the at least one tracheal vent pipe is positioned in the cavity; the first sealing element is in sealing fit with the first sealing ring.

9. The evacuated cover according to claim 8, wherein the vent tube body is cylindrical-like; the first sealing element is in a cylinder-like shape, takes the outer wall of the vent pipe as a reference starting point, and has the shortest length extending outwards not less than 4mm and the longest length extending outwards not more than 15 mm; and, the thickness of the first seal is 0.2 mm-2 mm; a convex top cap is arranged above the first sealing element, and one end of the air pipe air passage extends upwards and penetrates or does not penetrate through the first sealing element.

10. A container comprising the evacuated lid according to any one of claims 7 to 9.