WO2020258549A1

WO2020258549A1 - Silicone film for maintaining freshness

Info

Publication number: WO2020258549A1
Application number: PCT/CN2019/107397
Authority: WO
Inventors: 张科
Original assignee: 慈溪市焙客家橡胶制品有限公司
Priority date: 2019-06-27
Filing date: 2019-09-24
Publication date: 2020-12-30
Also published as: CN210103418U

Abstract

Disclosed is a silicone film for maintaining freshness. The silicone film comprises a silicone film body (1), wherein the silicone film body (1) is provided with a gap (3), and when the silicone film body (1) is deformed due to an external force, the gap (3) forms an air discharge hole. By means of providing the cross-shaped gap (3) in the center of the silicone film body (1), the silicone film can be directly heated using a microwave oven, the cross-shaped gap (3) is extended outwards by inner air that is expanded after being heated, and the inner air can be discharged via the cross-shaped gap (3), such that the silicone film has a high safety and is easy to use, and has a good freshness-maintaining effect and can be recycled. When a container topples over, a liquid in the container forms a liquid membrane at the cross-shaped gap (3) to create a good sealing function. By means of using an annular groove (4), the deformation degree of the cross-shaped gap (3) can be increased when being extended outwards, and rapid air discharge is achieved. By means of providing a sealing protruding ring (8) at an inner ring of a side wall (12) of the silicone film body (1), a good sealing function is achieved, and an anti-skidding function is also achieved.

Description

A kind of silica gel film for preservation

Technical field

The present invention relates to the technical field of preservation products, in particular to a silica gel film for preservation.

Background technique

Cling film is a kind of sealing product with very good fresh-keeping effect. It is often used for sealing and keeping dishes or food. However, this kind of cling film is not only troublesome to operate, cannot be recycled, but also pollutes the environment. Common cup lids and bowl lids on the market The product can only prevent dust but cannot have a good sealing and preservation effect. And the traditional plastic wrap is covered on the container mouth. If the container is accidentally bumped and tilted, the liquid substance in the container will flow out of the container mouth, and the sealing performance is poor. The problem. With the continuous improvement of people's quality of life and the emphasis on the ecological environment, there is an urgent need for a sealed and fresh-keeping product that is convenient to use, good in fresh-keeping effect and good in sealing.

The existing Chinese patent with the publication number CN203283562U discloses a negative pressure type fresh-keeping film, which includes a cover body, a vacuum sealing mechanism made of silica gel arranged on the cover body, and a sealing body connected to the cover body. The cover body is a sheet. The shape of the lower surface of the hollow cylinder is concave. A hard hollow cylinder fitted with the cover is provided in the middle. The upper end of the hollow cylinder is provided with a soft sealing cap. The upper end of the hollow cylinder extends downwards to the outside. The skirt side part; the sealing body is in a flat circular ring shape, the outer edge of the sealing body is sleeved on the edge of the cover body, and the inner edge of the sealing body is separated from the cover body to form an elastic open space. When in use, the lid body is placed on the mouth of the cup or bowl for sealing.

However, the above-mentioned negative pressure cling film has the following disadvantages: when the cup or bowl sealed in the refrigerator is taken out and heated in a microwave, the gas generated by the heated air in the cup or bowl cannot be discharged from the cover in time, and the cover may support The phenomenon of damage caused by breaking, and there is a safety risk.

Summary of the invention

The purpose of the present invention is to provide a silica gel film for preservation. The silica gel film is opened with a gap, and when external force is applied, the gap forms an exhaust hole to discharge the gas in the container, and has the advantages of convenient use, fresh preservation and better sealing Effective, and when microwave heating, the hot air in the container can be discharged from the exhaust hole, it is not easy to break, and the safety is high.

The above technical purpose of the present invention is achieved through the following technical solutions: a silica gel film for preservation, including a silica gel film body, the silica gel film body is provided with gaps, when the silica gel film body is deformed by an external force, the gaps form a row Stoma.

By adopting the above technical solution, when in use, the silicone membrane body is stretched and then covered on the container mouth, the elasticity of the silicone membrane body is used to fasten the edge of the silicone membrane body to the container mouth, and then placed in the refrigerator against the container mouth. Keep the food fresh. When you need to use a microwave oven to heat it, you don’t need to remove the silicone film body, but directly place the container in the microwave oven for heating. During the heating process, the heated and expanded gas in the container makes the internal pressure gradually increase , The gap is expanded outward to form a vent hole, and the gas in the container can be discharged from the vent hole. To a certain extent, it can prevent the silicone membrane body from being broken by greater air pressure, and the safety is high. In addition, it is more convenient to use, and at the same time, it can also play a better sealing and fresh-keeping effect, and can be recycled. When the container is poured, the liquid contained in the container will form a liquid film when it touches the gap. In this way, the liquid film can have a better sealing effect, the liquid in the container will not leak out, and the leakage prevention effect is better.

A further configuration of the present invention is that the slit is set as a cross-shaped slit.

By adopting the above-mentioned technical scheme, when the cross-shaped gap receives an external force, the force is evenly distributed around it, and the deformation is symmetrical.

A further arrangement of the present invention is that the gap is arranged in the center of the silicone membrane body, an annular groove is arranged on the silicone membrane body, and the annular groove is circumferentially arranged on the periphery of the gap.

By adopting the above technical solution, the arrangement of the annular groove can increase the degree of deformation when the gap is stretched outwards, so that the exhaust is faster and the effect is better.

A further arrangement of the present invention is that a notch is formed in the center of the silicone membrane body, and the gap is opened in the notch.

By adopting the above technical solution, the arrangement of the notch enables the exhaust hole to have a certain tendency to reset after the exhaust is completed, and to realize rapid reset.

A further arrangement of the present invention is that the silicone membrane body is in the shape of a disc as a whole, and a number of cylindrical protrusions are provided on the upper surface of the silicone membrane body.

By adopting the above technical solution, the silicone membrane body is set in a disc shape, which occupies a small space when stacked, and is more convenient to store. When in use, the fingers are held on the protrusions of the silicone membrane body, and the protrusions are to a certain extent Has a non-slip effect.

A further arrangement of the present invention is that: the edge of the silicone membrane body is provided with a wave flange, and the thickness of the wave flange is greater than the thickness of the silicone membrane body.

By adopting the above technical solution, when the silicone membrane body is stretched, the wavy flange can increase the degree of deformation of the silicone membrane body, so that the silicone membrane body can be applied to a container mouth with a larger cross-sectional area.

A further arrangement of the present invention is that: the silicone membrane body includes a sheet-shaped cover, and the edge of the cover is provided with a side wall extending along the axial direction of the cover.

By adopting the above technical solution, when in use, the lid body corresponds to the container mouth, and the side wall of the silicone membrane body is closely attached to the side wall of the container mouth, which can increase the firmness of the silicone membrane body cover on the container mouth to a certain extent. , Not easy to fall off, in addition, the side wall can also play a certain sealing role.

A further arrangement of the present invention is that the side wall is provided with a grip portion extending outward.

By adopting the above technical solution, the user can easily hold the silicone membrane body by holding the grip part.

A further arrangement of the present invention is that the inner ring of the side wall is circumferentially provided with a sealing convex ring.

By adopting the above technical solution, when the silicone film body is sleeved on the container mouth, a line seal is realized between the sealing convex ring and the container side wall, which has good sealing performance and can also play a certain anti-slip effect.

A further arrangement of the present invention is that a plurality of ring grooves are provided on the surface of the cover body, the gaps are opened in the center of the cover body, and the ring grooves are arranged circumferentially with the gap as the center.

By adopting the above technical solution, the arrangement of the ring groove can increase the degree of deformation of the lid body when it is stretched, which can be applied to a container mouth with a larger size.

In summary, the present invention has the following beneficial effects:

1. Using the method of opening a cross-shaped gap in the center of the silicone film body, it can be directly heated by a microwave oven. The internal gas after being heated expands the cross-shaped gap outward to form an exhaust hole, and the internal gas can be discharged from the cross-shaped gap , It is safer, more convenient to use, and has better sealing and preservation effect. When the container is dumped, the liquid in the container will form a liquid film in the cross-shaped gap to play a better sealing effect;

2. The use of annular grooves can increase the degree of deformation of the cross-shaped gap when it is opened outwards, and quickly exhaust;

3. The sealing convex ring is arranged on the inner ring of the side wall of the silicone membrane body, which can not only play a better sealing effect, but also play a non-slip effect.

Description of the drawings

Fig. 1 is a schematic diagram of the overall structural relationship of the first embodiment.

Figure 2 is a schematic diagram of the overall structural relationship of the second embodiment.

Figure 3 is a cross-sectional view of the second embodiment.

In the figure: 1. Silicone membrane body; 11. Cover; 12. Side wall; 2. Notch; 3. Cross-shaped gap; 4. Ring groove; 5. Wave flange; 6. Protrusion; 7. Grip Holding part; 8. Sealing convex ring; 9. Ring groove; 10. Positioning hole.

Detailed ways

The present invention will be further explained below in conjunction with the drawings.

Example one:

A silica gel film for preservation, as shown in Figure 1, includes a silica gel film body 1. The silica gel film body 1 is in the shape of a disc as a whole. The center of the silica gel film body 1 is recessed downward to form a notch 2 inside the notch 2. A cross-shaped gap 3 is provided. The cross-shaped gap 3 can be processed by a cross punching die. It should be noted that the cross-shaped gap 3 is opened in this embodiment. In other embodiments, the gap can be opened as M-shaped or three-pronged shape; the silicone membrane body 1 is provided with an annular groove 4, which is circumferentially arranged on the periphery of the notch 2. The edge of the silicone membrane body 1 is provided with a wave flange 5, the thickness of the wave flange 5 is greater than the thickness of the silicone membrane body 1, and the upper surface of the silicone membrane body 1 is provided with a number of cylindrical protrusions 6, and the lower part of the silicone membrane body 1 The surface is set as a smooth plane.

The basic working principle of the present invention is: in use, hold both hands on the protrusions 6 of the silicone membrane body 1, stretch the silicone membrane body 1 and cover the container mouth with a smooth surface, and utilize the elasticity of the silicone membrane body 1, Fasten the edge of the silicone film body 1 to the mouth of the container, and the protrusion 6 has the anti-slip effect to a certain extent, and then put it in the refrigerator to keep the food in the container fresh. When it needs to be heated in a microwave oven for practical use, there is no need to The silicone film body 1 is removed, but the container is directly placed in a microwave oven for heating. During the heating process, the heated and expanded gas in the container gradually increases the internal pressure, so that the cross-shaped gap 3 is expanded outward to form an exhaust hole. The gas inside can be discharged from the exhaust hole, to a certain extent, it can prevent the silicone membrane body 1 from being broken by greater air pressure, and the safety is higher. The setting of the annular groove 4 can increase the cross-shaped gap 3 directions. The degree of deformation during external expansion makes the exhaust faster and the effect is better. When the air pressure in the container is exhausted to a certain level, the cross-shaped gap 3 is reset, and the setting of the notch 2 enables the cross-shaped gap 3 to be exhausted. After that, it has a certain reset trend and realizes quick reset. In addition, it is more convenient to use, and at the same time, it can also play a better sealing and fresh-keeping effect, and can be recycled. When the container is poured, the liquid contained in the container will form a liquid film when it touches the cross-shaped gap 3. In this way, the liquid film can have a better sealing effect, and the liquid in the container will not leak from the cross-shaped gap 3. It will not leak from the edge where the mouth of the container is in contact with the silicone membrane body 1, and the leakage prevention effect is better.

In this embodiment, the silicone membrane body 1 is in the shape of a wafer as a whole, which occupies a small space when stacked and is more convenient to store. In addition, when the silicone membrane body 1 is stretched, the wavy flange 5 can enlarge the silicone The degree of deformation of the membrane body 1 enables the silica gel membrane body 1 to be applied to a container mouth with a larger cross-sectional area.

Embodiment 2: A silica gel film for preservation, as shown in Figures 2 and 3. The difference between this embodiment and the first embodiment is that the silica gel film body 1 includes a sheet-like cover 11, and the cover 11 The edge of the side wall 12 is provided with a side wall 12 extending in the axial direction of the cover 11, the overall shape of the silicone membrane body 1 is cylindrical, and the lower end of the side wall 12 is provided with a gripping portion 7 extending outwards. One of the convex edges is provided with a positioning hole 10, the inner ring of the side wall 12 is provided with five sealing convex rings 8 in the circumferential direction, and the surface of the cover 11 is also provided with a number of ring grooves 9 along the cross-shaped gap 3 are arranged in a circumferential direction, and a number of ring grooves 9 are all centered on the cross-shaped gap 3 and gradually expand outward.

When this embodiment is in use, the user holds the grip part 7 to stretch the silicone membrane body 1, which can facilitate the expansion of the silicone membrane body 1, and then cover the lid 11 on the container mouth corresponding to the side of the silicone membrane body 1. The wall 12 is tightly attached to the side wall 12 of the container mouth, and the sealing convex ring 8 and the side wall 12 of the container achieve a line seal, which has good sealing performance. In addition, it can also play a certain anti-skid effect, so that the silicone film body 1 is firmly covered It is not easy to fall off at the mouth of the container, and the arrangement of the ring groove 9 can increase the degree of deformation of the lid 11, which is suitable for container mouths with larger dimensions. When removing the silicone membrane body 1 from the container mouth, hold the convex edge provided with the positioning hole 10 by hand, and lift the silicone membrane body 1 away from the container mouth. In this embodiment, the effect of the cross-shaped slit 3 is the same as that in the first embodiment, and will not be repeated here.

It should be noted here that, in other embodiments, the gap may also be configured in other shapes, such as an arc shape.

The above descriptions are only the preferred embodiments of the present invention, so all equivalent changes or modifications made in accordance with the structure, features and principles described in the scope of the patent application of the present invention are all included in the scope of the patent application of the present invention.

Claims

A silica gel film for preservation, which is characterized in that it comprises a silica gel film body (1). The silica gel film body (1) is provided with a gap. When the silica gel film body (1) is deformed by an external force, the The gap forms an exhaust hole.
The silica gel film for preservation according to claim 1, wherein the gap is a cross-shaped gap (3).
The silica gel film for preservation according to claim 1, wherein the gap is provided in the center of the silica gel film body (1), and an annular groove is provided on the silica gel film body (1). (4) The annular groove (4) is circumferentially arranged on the periphery of the gap.
The silica gel film for preservation according to claim 1, wherein the center of the silica gel film body (1) is recessed with a notch (2), and the gap is opened in the notch (2). )Inside.
The silica gel film for preservation according to claim 1, wherein the silica gel film body (1) is in the shape of a disc as a whole, and the upper surface of the silica gel film body (1) is provided with several cylindrical Protruding (6).
The silica gel film for preservation according to claim 5, characterized in that: the edge of the silica gel film body (1) is provided with a wave flange (5), and the thickness of the wave flange (5) It is greater than the thickness of the silicone membrane body (1).
The silica gel film for preservation according to claim 1, characterized in that: the silica gel film body (1) comprises a sheet-shaped cover (11), and the edge of the cover (11) is along the The cover (11) is axially extended with a side wall (12).
The silica gel film for preservation according to claim 7, characterized in that the side wall (12) is provided with a gripping portion (7) extending outward.
The silica gel film for preservation according to claim 7, wherein the inner ring of the side wall (12) is circumferentially provided with a sealing convex ring (8).
A silica gel film for preservation according to claim 7, characterized in that: the surface of the cover (11) is provided with a number of ring grooves (9), and the gaps are opened in the cover (11) The ring grooves (9) are arranged circumferentially with the gap as the center.