TWI557035B - Seal the lid of the container - Google Patents

Description

Sealed container cover

The present invention relates to a cover, and more particularly to a cover for hermetically sealing a closed container.

There are many types of sealed containers on the market. The sealed container generally comprises a container body, and a cover body which is airtightly disposed at the opening of the container body, and the cover body is detachably overlapped and buckled thereon. The type of the container body is of a type that is overlapped with the container body, but in any type, in order to be able to hermetically seal the opening of the container body, an annular gasket is fitted around the periphery of the bottom surface of the cover body. The gasket is airtightly placed on the periphery of the opening of the container body to achieve a sealing effect. At present, the gaskets are arranged in such a way that a ring groove for the gasket is directly recessed on the bottom surface of the cover body. Although the gasket can be placed in the limit position, there is a gap between the gasket and the cover body, and the gap is easy. Infiltration of liquid or powder, it is easy to cause the gasket to be dirty or accumulate dirt in the gap, or even the case of mold or contamination of the contents of the container body, so it must be frequently removed and washed, and the gasket and ring groove must be dried before it can be It is quite inconvenient to assemble and use. Therefore, there is still room for improvement in the structural design of the cover for airtight containers.

Accordingly, it is an object of the present invention to provide a seamless cover construction for sealing a container.

Thus, the cover of the sealed container of the present invention comprises a cover, an annular gasket, and an annular ring frame. The gasket is integrally formed around the periphery of the cover plate. The ring frame is integrally formed around the cover plate and the periphery of the gasket, and includes an annular upper frame portion that is attached to the top surface of the cover plate around the periphery of the cover plate, and The outer periphery of the upper frame portion protrudes downward from the same body and is adhered to an annular outer frame portion fixed to the outer circumferential surface of the gasket.

The effect of the invention: through the design of the assembly structure of the cover plate, the gasket and the ring frame, the cover body of the invention has a gapless structure, and no liquid or powder penetrates into the gap around the gasket to contaminate the cover body. In other cases, the quality of the product of the sealed container in which the lid of the present invention is mounted can be greatly improved.

2‧‧‧ cover

3‧‧‧ Cover

31‧‧‧ Flat section

32‧‧‧ Thickening Department

321‧‧‧Upset gap

322‧‧‧Under the embedded gap

4‧‧‧Washers

41‧‧‧ bottom ring department

42‧‧‧ Side ring department

5‧‧‧ ring frame

51‧‧‧Upper frame

52‧‧‧Outer frame

521‧‧‧Upper ring segment

522‧‧‧ lower ring segment

53‧‧‧Snap convex

800‧‧‧ container body

801‧‧‧Snap ring ribs

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: Figure 1 is an exploded perspective view of a preferred embodiment of the closure of the sealed container of the present invention when used in conjunction with a container body. Figure 2 is a side cross-sectional view of the preferred embodiment when it is sealed to the container body.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to Figures 1 and 2, a preferred embodiment of the lid 2 of the sealed container of the present invention is adapted to seal the opening of a container body 800 with a gas tight lid and to form a sealed container in combination with the container body 800. In the embodiment, the cover body 2 is detachably stacked on the container body 800 as an example. The outer peripheral surface of the container body 800 protrudes from the top edge to provide a cover body. 2 snap-fit snap ring rib 801. In the implementation, the cover 2 can also be designed to be pivotally mounted on the container body 800. Since the cover body 2 is pivotally mounted on the container body 800, the type of the pivot structure is numerous and is not the focus of the present invention. Not detailed.

The cover body 2 includes a cover plate 3, a soft elastic annular gasket 4 integrally formed and fixed on the periphery of the cover plate 3, and an integral cover-up and fixing of the cover plate 3 and the periphery of the gasket 4 Ring ring frame 5 between. In the embodiment, the cover body 2 is a three-piece member, and is formed by three different materials, and is formed by integrally molding the cover plate 3 with the first material. It is disposed in a mold (not shown), and the material for molding the gasket 4 is poured into the mold, and the gasket 4 coated and fixed around the cover plate 3 is integrally formed on the cover plate 3. Finally, the cover plate 3 and the gasket 4 which have been coated and fixed together are placed in another mold (not shown), and the material for molding the ring frame 5 is poured into the mold. The ring frame 5 is integrally formed between the cover plate 3 and the periphery of the gasket 4. However, in the implementation, the order and manner of the assembly of the cover 3, the gasket 4 and the ring frame 5 of the cover 2 are not limited thereto.

The cover plate 3 includes a flat plate portion 31, and an annular thickening portion 32 which protrudes from the periphery of the flat plate portion 31 toward the outer diameter and protrudes downward and thickens. The top surface of the thick portion 32 is recessed with an annular upper fitting notch 321 extending radially outwardly to the periphery thereof, and the bottom surface of the thickening portion 32 is recessed with an annular lower fitting recess extending radially outwardly to the periphery thereof. 322. In the embodiment, the cover plate 3 is made of a transparent plastic material and is transparent, but in implementation, the cover plate 3 can also be made of a glass material, but in implementation, the cover plate 3 The material is not limited to the above types and is not limited to transparency.

The gasket 4 includes a ring-shaped bottom ring portion 41 in which the fitting limit is located in the lower fitting notch 322 and is attached to the thickened portion 32, and an outer peripheral edge of the bottom ring portion 41 The annular side ring portion 42 protrudes and is fixed to the circumferential surface of the thickening portion 32, and the bottom ring portion 41 has a vertical thickness greater than a recessed depth of the lower fitting recess 322, and the lower embedded portion is protruded downward. The outside of the notch 322 is fitted, that is, the bottom surface of the thickening portion 32 is protruded downward. In the present embodiment, the gasket 4 is made of a silicone material, but in practice, it may also be made of rubber or other soft elastic plastic material.

The ring frame 5 includes a ring-shaped upper frame portion 51 that is fixed to the top surface of the thickening portion 32 and the side ring portion 42 and a top frame portion 51 from the upper frame portion 51. An outer frame portion 52 having an outer peripheral edge extending upward and downward, and a plurality of snap protrusions extending horizontally and spaced apart from the inner peripheral surface of the outer frame portion 52 at intervals along the circumference of the outer frame portion 52 Part 53. The outer frame portion 52 has an upper ring segment 521 and a lower ring segment 522 connected upward and downward. The upper ring segment 521 protrudes upwardly above the top edge of the cover plate 3, and the lower ring segment 522 protrudes downwardly beyond the The bottom edge of the gasket 4 is fixed to the outer circumferential surface of the side ring portion 42. The latching projections 53 are respectively protruded from the inner circumferential surface of the lower ring segment 522, and the spacing is located below the gasket 4.

Through the structural design of the cover plate 3 of the cover body 2, the gasket 4 and the annular frame of the ring frame 5, the cover body 2 can be in an integrated seamless structure, when the cover body is When the container body 800 is placed on the container body 800, the bottom ring portion 41 of the gasket 4 is airtightly folded against the top edge of the container body 800, and the buckle protrusions 53 are snap-fitted to the container. The buckle ring rib 801 of the body 800 closes the container body 800. Since the gasket 4 is directly coated and fixed to the cover plate 3 and the ring frame 5, there is no gap between the cover plate 3 and the ring frame 5, so that the gap between the conventional cover body 2 and the gasket can be effectively solved. Liquid or powder, which accumulates dirt or even contaminates the contents of the container body 800.

It should be noted that when the cover 2 of the present invention is changed to be directly pivotally fixed to the container body 800, it is not necessary to provide the snap projections 53. Further, in the implementation, the cover plate 3 is not required to provide the thickened portion 32, and the entire cover plate 3 may have an equal thickness. In addition, the gasket 4 is not required to be provided with the side ring portion 42. The frame portion 52 of the ring frame 5 can be directly protruded and fixed downward on the circumferential surface of the cover plate 3 and the outer circumferential surface of the bottom ring portion 41. The cover 2 can be made to be seamless.

In summary, the seamless structure of the cover plate 3, the gasket 4 and the ring frame 5 is designed to prevent liquid or powder from penetrating into the gap around the gasket 4, and the conventional cover can be effectively solved. The gap between the gasket and the gasket can cause the problem of dirt and dirt, and the product quality and market competitiveness of the sealed container to which the lid body 2 of the present invention is mounted can be greatly improved, which is quite convenient and practical. Therefore, the object of the present invention can be achieved.

However, the above is only the preferred embodiment of the present invention. The scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made by the present invention in the scope of the invention and the scope of the patent specification are still within the scope of the invention.

2‧‧‧ cover

3‧‧‧ Cover

31‧‧‧ Flat section

32‧‧‧ Thickening Department

321‧‧‧Upset gap

322‧‧‧Under the embedded gap

4‧‧‧Washers

41‧‧‧ bottom ring department

42‧‧‧ Side ring department

5‧‧‧ ring frame

51‧‧‧Upper frame

52‧‧‧Outer frame

521‧‧‧Upper ring segment

522‧‧‧ lower ring segment

53‧‧‧Snap convex

800‧‧‧ container body

801‧‧‧Snap ring ribs

Claims (6)

A cover body for sealing a container, comprising: a cover plate, comprising a flat plate portion, and an annular thickening portion convex from the periphery of the flat plate portion to the outer diameter and having a thickness greater than a thickness of the flat plate portion, the thickened portion The recess is provided with an annular upper fitting notch extending outwardly to the periphery thereof, and the bottom surface of the thickening portion is recessed with an annular lower fitting notch extending outwardly to the periphery thereof; an annular gasket is integrally formed around The cover is fixed to the periphery of the cover plate, and includes a bottom ring portion in which the insert limit is located in the lower insert notch and extends radially outward to the periphery of the cover plate, and a bottom portion protrudes upward from the bottom ring portion An annular side ring portion fixed around the circumferential surface of the cover plate; and an annular ring frame integrally formed around the cover plate and the periphery of the gasket, including a periphery of the cover plate The inserting limit is located in the upper fitting notch and spans the annular upper frame portion adhered between the top surface of the side ring portion and the top surface of the cover plate, and the same from the outer peripheral edge of the upper frame portion The annular outer frame portion fixed to the outer peripheral surface of the side ring portion is protruded and adhered. The lid body of the sealed container according to claim 1, wherein the bottom ring portion protrudes downwardly from the lower fitting recess. The cover body of the sealed container according to claim 1, wherein the outer frame portion has a downwardly extending and fixed ring-shaped portion of the peripheral surface of the cover plate and the outer peripheral surface of the side ring portion, and a upwardly protruding portion Extend the ring section above the top edge of the cover. The cover of the sealed container according to claim 3, wherein the ring frame further comprises a plurality of cards protrudingly spaced apart from the inner peripheral surface of the lower ring segment along the circumference of the outer frame portion and spaced apart from the gasket. Buckle the convex part. The cover of the sealed container of claim 4, wherein the snap projections are strips extending horizontally. The cover of the sealed container of claim 1, wherein the cover is transparent.