CN215400466U - Plastic sealing cover and plastic sealing tank comprising same - Google Patents
Plastic sealing cover and plastic sealing tank comprising same Download PDFInfo
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- CN215400466U CN215400466U CN202121314339.0U CN202121314339U CN215400466U CN 215400466 U CN215400466 U CN 215400466U CN 202121314339 U CN202121314339 U CN 202121314339U CN 215400466 U CN215400466 U CN 215400466U
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Abstract
The utility model relates to a plastic sealing cover and a plastic sealing tank comprising the same, wherein the plastic sealing cover comprises: an inner seal and an outer cover; the outer-layer cover body comprises an upper cover and a base, the base is hinged with the upper cover through a folding connecting part, the upper cover is buckled with the base, and the outer-layer cover body is used for covering the port of the tank body to be sealed; the inner layer sealing element is made of elastic materials and fixedly arranged on the inner side wall of the outer layer cover body, the outer layer cover body covers the port of the tank body, and the inner layer sealing element can cover the outer edge of the port of the tank body and seal a gap between the edge of the port of the tank body and the outer layer cover body. The inner layer sealing piece in the plastic sealing cover can be in contact with the port of the tank body, so that the plastic sealing cover is better matched with the tank body, the sealing effect is improved, and the condition that milk powder in the tank body is damped or leaked is prevented.
Description
Technical Field
The utility model relates to the technical field of food packaging, in particular to a plastic sealing cover and a plastic sealing tank comprising the same.
Background
It is known that edible solid powder can be filled in a tank body, the tank body is usually provided with a metal outer cover and a sealing layer, but when the tank is used, because the metal outer cover is difficult to open and the sealing layer cannot be recovered after opening, secondary sealing between the metal outer cover and the tank body is difficult, which is not convenient for storing food for a long time and taking food for multiple times.
The milk powder can be used in a small amount every time, the using time of each can is long, the sealing performance of the can body is required to be higher, the can is generally provided with an iron can and a sealing cover in the market at present, an embedded groove used for clamping and fixing the can body is formed in the inner bottom of the sealing cover, a protruding belt is arranged on the inner wall of the embedded groove, and the sealing performance of the embedded groove is insufficient.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a plastic sealing cover and a plastic sealing can including the same, so as to solve the problems of the related art.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
in a first aspect, there is provided a plastic closure comprising: an inner seal and an outer cover;
the outer-layer cover body comprises an upper cover and a base, the base is hinged with the upper cover through a folding connecting part, the upper cover is buckled with the base, and the outer-layer cover body is used for covering a port of the tank body to be sealed;
the inner layer sealing element is made of elastic materials and fixedly arranged on the inner side wall of the outer layer cover body, the outer layer cover body covers the port of the tank body, and the inner layer sealing element can cover the outer edge of the port of the tank body and seal a gap between the edge of the port of the tank body and the outer layer cover body.
As a further improvement of the utility model, the inner layer sealing element is of an annular structure and comprises a sealing ring and an extension part;
the sealing ring is fixedly arranged on the inner side wall of the outer-layer cover body and is of an annular structure;
the extension portion is arranged on the upper edge of the sealing ring, is perpendicular to the axis direction of the outer-layer cover body and is annular, and the extension portion is used for being in contact fit with the port of the tank body after the outer-layer cover body covers the port of the tank body.
As a further improvement of the present invention, a protrusion is disposed at an end of the extension portion, the protrusion is aligned with a side edge of the outer cover and faces an opening of the outer cover, and the protrusion is used for abutting against and matching with an outer side wall of the port of the tank body after the outer cover is covered on the port of the tank body.
As a further improvement of the utility model, an annular boss is further arranged on one side of the sealing ring, which is far away from the inner wall of the outer layer cover body.
As a further improvement of the present invention, the seal ring, the extension, the projection, and the annular boss are integrally formed.
As a further improvement of the utility model, the base is internally provided with an annular reinforcing rib for supporting when the outer side walls of the port of the tank body of the extension part are abutted.
As a further improvement of the utility model, the inner seal and the outer cover are of a one-piece construction.
As a further improvement of the utility model, the material of the inner layer sealing element is TPE, TPU or LDPE, and the material of the outer layer cover body is PP.
As a further improvement of the present invention, the upper cover includes: the lid top, inner circle and surround the upper shield wall of lid top outer fringe, the base includes: the inner diameter of the sealing cover is equivalent to the outer diameter of the inner ring, the outer wall of the inner ring is tightly attached to the inner wall of the upper part of the sealing cover in a closed state, and the inner-layer sealing element is arranged on the inner wall of the lower part of the lower cover wall;
the base is provided with a lock catch opposite to the folding connecting part, and the upper cover opposite to the lock catch is provided with a locking plate matched with the lock catch.
In a second aspect, there is provided a sealed canister comprising a canister body, and a plastic sealing lid as described in the first aspect, wherein the plastic sealing lid is adapted to cover a port of the canister body.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
according to the plastic sealing cover provided by the embodiment of the utility model, the inner layer sealing piece made of the elastic material is arranged on the inner side wall of the outer layer cover body, and the inner layer sealing piece can be contacted with the port of the tank body, so that the plastic sealing cover is better matched with the tank body, the sealing effect is improved, and the condition that milk powder in the tank body is affected with damp or leaks is prevented. And, the outer lid can select the plastics that the hardness is higher for use to better protection lid.
According to the sealing tank provided by the embodiment of the utility model, the boss is arranged on the sealing ring of the plastic sealing cover, and the groove is arranged on the outer wall of the upper part of the tank body, so that the installation is convenient, and the matching degree and the sealing property of the sealing tank and the tank body are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural view of a plastic sealing cover according to an embodiment of the present invention.
Fig. 2 is a bottom view of fig. 1.
Fig. 3 is a cross-sectional view a-a of fig. 2.
Fig. 4 is a partially enlarged schematic view at B in fig. 3.
Fig. 5 is a schematic structural diagram of an upper cover according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a base according to an embodiment of the present invention.
Wherein: 1. inner layer sealing piece, 11, sealing ring, 12, extension part, 121, lug, 13, annular boss, 14, annular reinforcing rib, 2, outer layer cover body, 3, upper cover, 31, cover top, 32, upper cover wall, 33, inner ring, 34, locking plate, 4, base, 41, lower cover wall, 42, sealing cover, 43 and lock catch.
Detailed Description
For the purposes of promoting a clear and complete description of the utility model, and for purposes of making apparent and enabling the utility model to be embodied and broadly described, reference will now be made to the following description of certain embodiments, wherein the terms "center", "vertical", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like are used in the orientation and positional relationship indicated in the drawings, which are for convenience in describing the utility model and simplifying the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.
An embodiment of the present invention provides a plastic sealing cover, as shown in fig. 1 to 6, including: the inner layer sealing element 1 and the outer layer cover body 2, and the inner layer sealing element 1 and the outer layer cover body 2 are of an integrated structure.
The outer-layer cover body 2 comprises an upper cover 3 and a base 4, the base 4 is hinged with the upper cover 3 through a folding connecting part, the upper cover 3 is buckled with the base 4, and the outer-layer cover body 2 is used for covering a port of the tank body to be sealed;
the inner layer sealing element 1 is made of elastic materials and is fixedly arranged on the inner side wall of the outer layer cover body 2, the outer layer cover body 2 covers the port of the tank body, and the inner layer sealing element 1 can cover the outer edge of the port of the tank body and seal the gap between the edge of the port of the tank body and the outer layer cover body 2. This inlayer sealing member 1 can set up a plurality of, and its inlayer sealing member 1 of a plurality of sets up along the inside wall equipartition of outer lid 2.
This sealed lid preparation method of plastics can adopt following step, obtains outer lid through injection moulding's mode, grinds the hair with the position department that the inside wall of outer lid 2 needs installation inlayer sealing member 1, makes it have deckle edge, and increase frictional force fixes inlayer sealing member 1 in deckle edge department through sticky mode again.
According to the plastic sealing cover provided by the embodiment of the utility model, the inner sealing element 1 made of the elastic material is arranged on the inner side wall of the outer cover body 2, and the inner sealing element 1 can be in contact with the port of the tank body, so that the plastic sealing cover is better matched with the tank body, the sealing effect is improved, and the condition that milk powder in the tank body is affected with damp or leaks is prevented. Moreover, the outer layer cover body 2 can be made of plastic with higher hardness, so that the cover can be better protected.
As regards the structure of the outer cover 2, in one possible implementation, as shown in fig. 5 and 6, in addition, the upper cover 3 comprises: a cover top 31, an inner ring 33, and an upper cover wall 32 surrounding an outer edge of the cover top 31, the base 4 includes: a lower housing wall 41 and a sealing housing 42, the inner diameter of the sealing housing 42 is equivalent to the outer diameter of the inner ring 33, and the outer wall of the inner ring 33 is tightly attached to the upper inner wall of the sealing housing 42 in a closed state;
the base 4 opposite to the folding connecting part is provided with a lock catch 43, and the upper cover 3 opposite to the lock catch 43 is provided with a lock sheet 34 matched with the lock catch 43.
Of course, the inner cover wall can also be provided with an embedded groove for clamping and fixing the tank body, the inner wall of the embedded groove is provided with a convex belt, the inner layer sealing element 1 can be arranged on the inner wall of the lower part of the lower cover wall 41, and the sealing performance is improved through the combined action of the inner layer sealing element 1 and the convex belt.
In the embodiment of the present invention, the materials of the inner layer sealing element 1 and the outer layer cover body 2 are not specifically limited, and only the requirements are met, and for example, the material of the inner layer sealing element 1 is silica gel, TPE (Thermoplastic Elastomer), TPU (Thermoplastic polyurethane Elastomer), or LDPE (high-low density polyethylene); the outer cover 2 is made of food grade plastic with high hardness, and the material of the plastic is PP (Polypropylene), PET (Polyethylene terephthalate), nontoxic PVC (Polyvinyl chloride) and PE (Polyethylene).
In order to facilitate understanding of the structure of the plastic sealing cover from the drawings, in the embodiment of the present invention, a schematic view obtained by partially cutting the plastic sealing cover will be described as an example.
As shown in fig. 1-4, the inner layer sealing member 1 is in a ring structure, and the inner layer sealing member 1 includes a sealing ring 11 and an extension portion 12;
wherein, the sealing ring 11 is fixedly arranged on the inner side wall of the outer layer cover body 2 and is in an annular structure;
the extension part 12 is arranged at the upper edge of the sealing ring 11, is perpendicular to the axial direction of the outer layer cover body 2 and is annular, and the extension part 12 is used for being in contact fit with the port of the tank body after the outer layer cover body 2 covers the port of the tank body. Correspondingly, the base 4 is internally provided with an annular reinforcing rib 14 for supporting the outer side wall of the port of the tank body when the extension part 12 is abutted against the outer side wall of the port of the tank body, so as to avoid the situation that the sealing effect cannot be achieved due to the deformation of the extension part 12.
Further, as shown in fig. 4, a protrusion 121 is disposed at an end of the extension portion 12, the protrusion 121 is aligned with a side edge direction of the outer cover 2 and faces an opening direction of the outer cover 2, the protrusion 121 may be in a spoon shape, and the protrusion 121 is used for abutting and matching with an outer side wall of the can body port after the outer cover 2 covers the can body port.
In addition, the sealing ring 11 is further provided with an annular boss 13 on the side away from the inner wall of the outer-layer cover body 2, correspondingly, a circle of groove used for matching with the annular boss 13 is formed in the outer wall of the upper portion of the tank body, after the outer-layer cover body 2 is covered on the port of the tank body, the boss is clamped into the groove, the port of the tank body is hooked by a clamping hook formed by the sealing ring 11, the extending portion 12 and the bump 121, and the sealing effect is further improved.
The embodiment of the utility model also provides a sealed tank, which comprises the plastic sealing cover and the tank body, wherein the plastic sealing cover is used for covering the port of the tank body. In addition, the outer wall of the upper part of the tank body is also provided with a circle of groove used for being matched with the annular boss 13.
According to the sealing tank provided by the embodiment of the utility model, the inner sealing element 1 made of the elastic material is arranged on the inner side wall of the outer layer cover body 2 of the plastic sealing cover, so that the sealing tank is in contact with the port of the tank body, better matching with the tank body is better realized, the sealing effect is improved, and the condition that milk powder in the tank body is affected with damp or leaks is prevented; through being equipped with the boss on the sealing washer 11 of the sealed lid of plastics, be equipped with the recess at jar external wall of body upper portion, both made things convenient for the installation, improved the degree of cooperation and the leakproofness of the two again.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A plastic closure, characterized in that it comprises: an inner layer sealing piece (1) and an outer layer cover body (2);
the outer-layer cover body (2) comprises an upper cover (3) and a base (4), the base (4) is hinged to the upper cover (3) through a folding connecting portion, the upper cover (3) is used for being buckled with the base (4), and the outer-layer cover body (2) is used for covering a port of a tank body to be sealed;
the inner layer sealing element (1) is made of elastic materials and fixedly arranged on the inner side wall of the outer layer cover body (2), the outer layer cover body (2) covers the port of the tank body, and the inner layer sealing element (1) can cover the outer edge of the port of the tank body and seal a gap between the edge of the port of the tank body and the outer layer cover body (2).
2. A plastic sealing cover according to claim 1, characterized in that the inner sealing member (1) is of annular structure, the inner sealing member (1) comprising a sealing ring (11) and an extension (12);
the sealing ring (11) is fixedly arranged on the inner side wall of the outer layer cover body (2) and is of an annular structure;
the extension part (12) is arranged on the upper edge of the sealing ring (11), is perpendicular to the axis direction of the outer layer cover body (2) and is annular, and the extension part (12) is used for being in contact fit with the port of the tank body after the outer layer cover body (2) covers the port of the tank body.
3. The plastic sealing cover according to claim 2, characterized in that the end of the extension part (12) is provided with a projection (121) which is consistent with the side edge direction of the outer layer cover body (2) and faces the opening direction of the outer layer cover body (2), and the projection (121) is used for being in interference fit with the outer side wall of the can body port after the outer layer cover body (2) is covered on the can body port.
4. A plastic closure according to claim 3, wherein the sealing ring (11) is provided with an annular projection (13) on the side facing away from the inner wall of the outer body (2).
5. Plastic closure according to claim 4, wherein the sealing ring (11), the extension (12), the projection (121) and the annular projection (13) are formed in one piece.
6. A plastic closure according to claim 2, characterized in that the inside of the base (4) is provided with annular stiffening ribs (14) for supporting when the outer side walls of the can body ports of the extension (12) abut.
7. A plastic closure according to claim 1, wherein the inner seal (1) and the outer cover (2) are of one-piece construction.
8. A plastic sealing cover according to claim 1, characterized in that the material of the inner sealing member (1) is TPE, TPU or LDPE, and the material of the outer cover body (2) is PP.
9. A plastic closure according to claim 1, wherein the upper lid (3) comprises: a cover top (31), an inner ring (33), and an upper cover wall (32) surrounding an outer edge of the cover top (31), the base (4) comprising: a lower housing wall (41) and a sealing housing (42), wherein the inner diameter of the sealing housing (42) is equivalent to the outer diameter of the inner ring (33), the outer wall of the inner ring (33) is tightly attached to the upper inner wall of the sealing housing (42) in a closed state, and the inner-layer sealing element (1) is arranged on the lower inner wall of the lower housing wall (41);
the folding connecting part is opposite to the lock catch (43) arranged on the base (4), and the lock catch (43) is opposite to the lock catch (34) arranged on the upper cover (3) and matched with the lock catch (43).
10. A plastic sealed can comprising a can body and a plastic sealed closure as claimed in any one of claims 1 to 9, wherein the plastic sealed closure is adapted to overlie a port of the can body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121314339.0U CN215400466U (en) | 2021-06-14 | 2021-06-14 | Plastic sealing cover and plastic sealing tank comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121314339.0U CN215400466U (en) | 2021-06-14 | 2021-06-14 | Plastic sealing cover and plastic sealing tank comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215400466U true CN215400466U (en) | 2022-01-04 |
Family
ID=79638930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121314339.0U Active CN215400466U (en) | 2021-06-14 | 2021-06-14 | Plastic sealing cover and plastic sealing tank comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215400466U (en) |
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2021
- 2021-06-14 CN CN202121314339.0U patent/CN215400466U/en active Active
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