CN212501850U

CN212501850U - Aluminum spiral cover

Info

Publication number: CN212501850U
Application number: CN202020687083.7U
Authority: CN
Inventors: 严卫东; 夏西芝; 方俊杰; 李雷
Original assignee: Borite Dongxiang Jiangsu Packaging Co ltd
Current assignee: Borite Dongxiang Jiangsu Packaging Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2021-02-09
Anticipated expiration: 2030-04-29

Abstract

The utility model belongs to the technical field of bottle caps, in particular to an aluminum spiral cap, which comprises an aluminum inverted U-shaped cap body, wherein the upper part of the cap body is provided with a net part, the outer wall of the net part is provided with net lines, the top end inside the cap body is provided with a sealing component, the sealing component comprises a gasket and a rubber ring of the bottom end surface of the gasket, the side wall of the cap body at the bottom side of the sealing component is provided with a plurality of inwards sunken press grooves for limiting the sealing component at the top part inside the cap body, the outer diameter of the gasket is smaller than the inner diameter of the cap body, the outer diameter of the rubber ring is smaller than the outer diameter of the gasket, the upper end surface of the rubber ring is bonded with the bottom end surface of the gasket, the inside of the rubber ring is provided with a cavity, the inner peripheral surface of the gasket is provided with a limiting sheet for limiting the rubber ring from deforming and expanding inwards, the bottom end surface of the rubber, avoid the foam to spill over, have better leakproofness simultaneously.

Description

Aluminum spiral cover

Technical Field

The utility model belongs to the technical field of the bottle lid, concretely relates to aluminium system spiral cover.

Background

The screw cap is an important accessory of the bottle and is used for sealing the bottle, and plastic screw caps and aluminum screw caps are commonly used. The aluminum screw cap is mainly used for sealing wine bottles, has good texture, improves the grade of wine, has strong reliability, can bear large pressure after sealing, and is particularly suitable for sealing wine bottles containing abundant bubbles.

The cap body height of the existing aluminum screw cap can quickly release gas in the bottle after the wine is opened, and the cap body height can not release the gas in time, so that the wine can easily generate foam for measuring, and the foam can be emitted from the gap between the screw cap and the bottle mouth, thereby bringing troubles to users.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to above-mentioned defect, provide an aluminium system spiral cover, but gas in the quick release bottle avoids the foam to spill over, has better leakproofness simultaneously.

The utility model provides a technical scheme that its technical problem adopted as follows:

the utility model provides an aluminium system spiral cover, including the type of falling U lid of aluminium matter, lid upper portion be equipped with wire mesh portion, the outer wall of wire mesh portion is equipped with the reticulation, the inside top of lid is equipped with sealing assembly, sealing assembly includes the gasket, the rubber ring of gasket bottom face, the lateral wall of the lid of sealing assembly bottom side is equipped with a plurality of inside sunken indent that are used for spacing the spacing indent at lid internal top with sealing assembly, the external diameter of gasket is less than the lid internal diameter, the external diameter of rubber ring is less than the gasket external diameter, the up end and the gasket bottom face bonding of rubber ring, the inside of rubber ring is equipped with the cavity, be equipped with the spacing piece that the restriction rubber ring warp to the inboard and swell in rubber ring inner peripheral surface department on the gasket, the bottom face of rubber ring is equipped with the concave surface of cooperation bottleneck, the cell wall department of indent is equipped with.

Further, the thickness at the edges of the gasket is greater than the thickness at the middle of the gasket.

Furthermore, the thickness of the middle part of the gasket is 0.5-0.7mm, and the thickness of the edge of the gasket is 1.1-1.5 mm.

Furthermore, the thickness of the limiting sheet is not less than that of the rubber ring.

Furthermore, the limiting sheet is of an annular structure.

Furthermore, the upper end face of the rubber ring is an upward convex cambered surface.

Further, the inner diameter of the innermost end of the indent is smaller than the outer diameter of the spacer.

Furthermore, the vertical distance from the rubber ring of the gasket to the pressing groove is 1.5-3 mm.

Furthermore, the indent is a tapered groove, and the through hole is formed in a groove wall of the indent, which is close to one side of the rubber ring.

The utility model has the advantages that: adopt above-mentioned scheme, this spiral cover is in unscrewing the back, and the gaseous accessible in the bottle is close to the quick discharge that runs through of rubber ring, effectually avoids producing a large amount of foams in the bottle, and the effectual excessive of foam in having avoided the bottle has improved the result of use, and the leakproofness of the seal structure that rubber ring, gasket are constituteed is good, has guaranteed the spiral cover and has opened the cleanness of back bottleneck department.

Drawings

The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings.

Fig. 1 is a schematic cross-sectional structure diagram according to an embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view of the rubber ring after compression according to an embodiment of the present invention.

Wherein: the cover comprises a cover body 1, a pressing groove 11, a through hole 12, a gasket 2, a rubber ring 3 and a limiting sheet 4.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1 and 2, an aluminum screw cap comprises an inverted U-shaped aluminum cap body 1, a mesh portion is arranged on the upper portion of the cap body 1, a mesh is arranged on the outer wall of the mesh portion, the mesh portion can improve friction force and enable the screw cap to be screwed open better, a sealing assembly is arranged on the top end inside the cap body 1, the sealing assembly comprises a gasket 2 and a rubber ring 3 on the bottom end face of the gasket 2, a plurality of inward-concave pressing grooves 11 used for limiting the sealing assembly at the top inside the cap body are arranged on the side wall of the cap body on the bottom side of the sealing assembly, the pressing grooves are conical grooves and convenient to open, the pressing grooves 11 are distributed on the same horizontal plane and are uniformly distributed along the circumferential direction of the cap body, the pressing grooves 11 are formed by inward-concave integral sheet bodies on the corresponding positions of the side wall of the cap body, the diameter of the circular surface where the inner end faces of the pressing grooves are located is smaller than that of the gasket 2, the sealing assembly, the outer diameter of the gasket 2 is smaller than the inner diameter of the cover body 1, the outer diameter of the rubber ring 3 is smaller than the outer diameter of the gasket 2, the rubber ring 3 plays a main sealing role, the arrangement position of the rubber ring 3 is opposite to the bottle opening, the width of the rubber ring 3 is larger than the thickness of the bottle opening, the upper end surface of the rubber ring 3 is an upwards-convex cambered surface, the upper end surface of the rubber ring 3 is bonded with the bottom end surface of the gasket 2, a cavity is arranged inside the rubber ring 3, a limiting sheet 4 for limiting the deformation of the rubber ring 3 to the inner side after being pressed is arranged on the inner circumferential surface of the rubber ring on the gasket 2, the limiting sheet 4 preferably adopts an annular structure, the limiting sheet 4 is arranged on the inner side of the rubber ring 3, the upper end of the limiting sheet 4 is bonded with the gasket, a concave surface matched with the bottle opening is arranged on the bottom end surface of the rubber ring 3, the width of the concave surface is consistent with the thickness of the bottle opening, after the spiral, the cavity of the rubber ring is compressed under the action of pressure, the thickness of the limiting sheet 4 is not less than that of the rubber ring, the expansion deformation of the rubber ring body towards the inner side is limited by the limiting sheet 4, the rubber ring body can only expand and deform towards the outer side, the rubber ring outer ring body is only attached to the inner wall of the cover body after being extruded to form sealing, dust is effectively prevented from entering the cover body from gaps between the cover body and the bottle mouth and between the outer walls of the bottle neck and entering the sealing assembly, the bottle mouth is further prevented from being polluted by dust after the screw cap is opened, the cleanness of the bottle mouth is kept during the opening process, the thickness of the edge of the gasket 2 corresponding to the rubber ring is greater than that of the middle of the gasket, the thickness of the middle of the specific gasket is 0.7mm, the thickness of the edge of the gasket is 1.5mm, the thickness of the edge of the gasket is large, the gasket is synchronously compressed after being screwed, the sealing performance of the joint is, the gasket can promote the expansion deformation of the rubber ring outside the ring body to the outside to form sealing, has better sealing effect, tightly presses and adheres to the bottle mouth for sealing after being screwed, has the function of keeping the flexible rotation capacity of the rubber ring, can promote the reduction of the resistance of the rubber ring to the opening and the screwing of the cap, is beneficial to reducing the opening force and improving the use effect, the groove wall of the pressing groove 11 close to one side of the rubber ring is provided with a through hole 12, the vertical distance from the rubber ring to the pressing groove is 1.5mm, so that the through hole 12 is closer to the rubber ring, after the screw cap is opened, the cavity can lead the rubber ring to rebound rapidly, thus leading the gas emitted in the bottle to be discharged out of the cap body from the through hole 12 rapidly, further avoiding the generation of a large amount of foam in the bottle, avoiding the foam from leaking and having good exhaust effect, and has better leakproofness, and the lid lateral wall of pressure tank 11 end side is equipped with the spiral line, is convenient for bottleneck threaded connection.

The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the techniques of the present invention are substantially any simple modification and equivalent changes to the above embodiments, all falling within the protection scope of the present invention.

Claims

1. An aluminum spiral cover comprises an aluminum inverted U-shaped cover body and is characterized in that a net part is arranged at the upper part of the cover body, net lines are arranged on the outer wall of the net part, a sealing assembly is arranged at the top end inside the cover body and comprises a gasket and a rubber ring at the bottom end face of the gasket, a plurality of inwards-concave pressing grooves used for limiting the sealing assembly at the inner top part of the cover body are arranged on the side wall of the cover body at the bottom side of the sealing assembly,

the outer diameter of the gasket is smaller than the inner diameter of the cover body, the outer diameter of the rubber ring is smaller than the outer diameter of the gasket, the upper end face of the rubber ring is bonded with the bottom end face of the gasket, a cavity is formed in the rubber ring, a limiting piece for limiting the rubber ring to deform and bulge inwards is arranged on the gasket at the inner circumferential surface of the rubber ring, a concave face matched with the bottle opening is arranged on the bottom end face of the rubber ring, a through hole is formed in the groove wall of the pressing groove, and spiral threads are arranged on the side.

2. An aluminum screw cap as defined in claim 1, wherein the thickness of the gasket is greater at the edges than at the middle of the gasket.

3. An aluminum screw cap according to claim 2, wherein the thickness of the gasket at the center is 0.5-0.7mm and the thickness of the gasket at the edge is 1.1-1.5 mm.

4. The aluminum screw cap as claimed in claim 1, wherein the thickness of the stopper is not less than the thickness of the rubber ring.

5. The aluminum screw cap as claimed in claim 1, wherein the limiting plate is a ring structure.

6. The aluminum screw cap as claimed in claim 1, wherein the upper end surface of the rubber ring is a convex arc surface.

7. An aluminum screw cap as defined in claim 1, wherein the inner diameter of the indent at the innermost end is smaller than the outer diameter of the spacer.

8. An aluminum screw cap as defined in claim 1, wherein the gasket has a vertical distance of 1.5-3mm from the bead to the indent.

9. The aluminum screw cap as defined in claim 1, wherein the indent is a tapered groove, and the through hole is formed in a wall of the indent adjacent to the rubber ring.