CN106005718A

CN106005718A - Composite cover of metal can

Info

Publication number: CN106005718A
Application number: CN201610349458.7A
Authority: CN
Inventors: 陈玉飞; 陈博
Original assignee: ORG PACKAGING CO Ltd
Current assignee: ORG PACKAGING CO Ltd
Priority date: 2016-05-24
Filing date: 2016-05-24
Publication date: 2016-10-12

Abstract

The invention relates to a packaging container technology, and provides a composite cover of a metal can. The composite cover of the metal can comprises a basic cover and a sealing cover, wherein the basic cover is connected with a can body of the metal can; a pour-out hole is formed in the basic cover; the sealing cover comprises a clamping part having elasticity; and the clamping part is clamped with the pour-out hole, so as to seal the pour-out hole. Through the clamping between the clamping part of the sealing cover and the pour-out hole in the basic cover, the effect of sealing contents in the metal can is realized; the clamping part of the sealing cover has certain elasticity, and after the clamping part of the sealing cover is pulled out of the pour-out hole, the clamping part can be clamped into the pour-out hole to seal the contents in the metal can again, so that leakage of the contents in the metal can is avoided, the safety and sanitation of the contents in the metal can are ensured, and repeated opening and closing are realized. The composite cover is convenient to carry.

Description

Composite cover of metal can

Technical Field

The invention relates to a packaging container technology, in particular to a composite cover of a metal can.

Background

In the metal packaging industry, metal cans are commonly used to contain contents of liquids such as beverages. In the prior art, a metal can is formed by including a can body, which is generally cylindrical and has a bottom wall and an opening, and a can lid seamed to the opening of the can body; the can cover is cut to form an opening part, and the opening part is provided with a pull ring; for example, when drinking, the opening portion is torn off from the can end by pulling the tab.

However, since the opening portion of the metal can is disposable, the can cover cannot seal the contents in the can body again after the opening portion is torn off, and particularly when the contents are liquid, the can cover is inconvenient for consumers to carry and also has a potential safety hazard.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the composite cover of the metal can, which can realize repeated opening and closing and is convenient to carry.

The invention provides a composite cover of a metal can, comprising: a base cap and a sealing cap; the basic cover is used for being connected with the tank body of the metal tank, and is provided with an pouring hole; the sealing cover comprises an elastic clamping part which is clamped with the pouring hole so as to seal the pouring hole.

Further, the sealing cover comprises an upper cover body, a first sealing ring extends from the inner surface of the upper cover body, and the outer circumference of the first sealing ring is provided with the groove-shaped clamping part.

Further, the sealing cover further comprises: the lower cover body is fixedly connected with the basic cover and is provided with a pouring channel which is communicated with the pouring hole; the upper cover body is arranged on the lower cover body in a turnover mode, and the clamping portion is clamped with the pouring channel.

Further, the hole wall of the pouring hole on the basic cover is bent towards one side of the sealing cover to form an elastic clamping support; the lower cover body extends towards the basic cover to form a fixing ring, and the fixing ring is clamped with the clamping support.

Furthermore, a clamping ring extends from the lower cover body towards the basic cover, the clamping ring is clamped into the pouring hole of the basic cover, and the clamping support is clamped between the fixing ring and the clamping ring; the bottom of solid fixed ring's inside wall is formed with the bulge, the bulge orientation joint ring protrusion, the bulge be used for with the block support supports mutually, with the restriction the block support is followed gu fixed ring and joint ring are between the landing.

Further, an annular outer cover extends towards the basic cover from the edge of the lower cover body, and one end, facing the basic cover, of the outer cover is attached to the basic cover.

Furthermore, the upper cover body is connected with the lower cover body through soft glue, so that the upper cover body can be overturned relative to the lower cover body.

Furthermore, the upper cover body is connected with the lower cover body through a buckle structure so as to buckle the upper cover body on the lower cover body.

Further, the edge of pouring out the passageway has and deviates from the reinforcement portion that basic lid extends, reinforcement portion has and dodges the mouth, so that the upper cover body orientation when the lower cover body overturns, first sealing ring can block in pour out the passageway.

Further, the lateral wall of upper cover body is formed with the arc depressed part, just the arc depressed part deviates from the flexible glue setting.

According to the composite cover of the metal can, the clamping part of the sealing cover is clamped with the pouring hole in the basic cover, so that the sealing of the content in the metal can of the metal can is realized, and the clamping part of the sealing cover has certain elasticity, so that after the clamping part of the sealing cover is pulled out of the pouring hole, the clamping part can be clamped into the pouring opening again to seal the content in the metal can again, the leakage of the content in the metal can is avoided, the safety and sanitation of the content in the metal tube are guaranteed, the repeated opening and closing are realized, and the composite cover is convenient to carry.

Drawings

FIG. 1 is a schematic structural view of an embodiment of a composite lid for a metal can according to the present invention;

FIG. 2 is a schematic view of a composite lid of a metal can according to the present invention in a closed position;

FIG. 3 is a schematic structural view of a composite lid of a metal can according to the present invention in an open state;

FIG. 4 is a schematic structural view of an embodiment of a basic lid of the composite lid of the metal can of the present invention;

FIG. 5 is a schematic structural view of an embodiment of a sealing cap in a composite lid of a metal can according to the present invention;

FIG. 6 is a schematic structural view of a sealing cap in a closed state in a composite lid of a metal can according to the present invention;

fig. 7 is a schematic structural view of a sealing cap in an open state in a composite closure for a metal can according to the present invention.

Wherein,

10-a basic lid; 11-pouring out the hole;

12-a snap-fit bracket; 20-sealing cover;

21-upper cover body; 221-a first sealing ring;

212-arc shaped recess; 22-lower cover body;

221-pour out channel; 222-a fixed ring;

222 a-a projection; 223-snap ring;

224-a housing; 226-a reinforcement;

226 a-avoidance port.

Detailed Description

Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

FIG. 1 is a schematic structural view of an embodiment of a composite lid for a metal can according to the present invention; FIG. 2 is a schematic view of a composite lid of a metal can according to the present invention in a closed position; FIG. 3 is a schematic structural view of a composite lid of a metal can according to the present invention in an open state; referring to fig. 1-3, the present embodiment provides a composite cover for a metal can, including: a base cap 10 and a sealing cap 20; the basic cover 10 is used for being connected with a tank body of the metal tank, and the basic cover 10 is provided with an pouring hole 11; the sealing cap 20 includes an elastic engaging portion that engages with the pouring hole 11 to seal the pouring hole 11.

Specifically, the base cap 10 may be made of metal such as aluminum or iron, and the material of the base cap 10 may be the same as that of the can body, for example, the production process of the base cap 10 may include: blanking, punch forming, edge rounding, punching, trimming and edge folding; the basic cover 10 can be fixedly connected with the tank body through double seaming; the basic cover 10 is provided with a pouring hole 11 for the contents in the metal can to flow out, and the pouring hole 11 can be a round hole; the sealing cap 20 may be injection molded from plastic (e.g., parylene, polypropylene) or rubber; the inner surface of the sealing cover 20 is formed with a fastening portion having a certain elasticity, so that the fastening portion can be deformed by an external force, and the fastening portion is fastened into the pouring hole 11 to seal the pouring hole 11, or pulled out of the pouring hole 11 to open the pouring hole 11.

The composite cover of the metal can of the embodiment realizes the sealing of the content in the metal can of the metal can by the clamping part of the sealing cover 20 and the clamping of the pouring hole 11 on the basic cover 10, and the clamping part of the sealing cover 20 has certain elasticity, after the clamping part of the sealing cover 20 is pulled out from the pouring hole 11, the clamping part can be clamped into the pouring opening again, so that the content in the metal can is sealed again, the leakage of the content in the metal can is avoided, the repeated opening and closing is realized, and the carrying is convenient.

Further, the sealing cover 20 includes an upper cover body 21, a first sealing ring 211 extends from an inner surface of the upper cover body 21, and a groove-shaped engaging portion is formed on an outer circumference of the first sealing ring 211.

In this embodiment, the upper cover body 21 may be circular, one side of the upper cover body 21 facing the pouring hole 11 is an inner surface, the inner surface of the upper cover body 21 extends toward the pouring hole 11 to form a first sealing ring 211, one end of the first sealing ring 211 facing the pouring hole 11 is formed with an annular groove-shaped engaging portion, and when the hole wall of the pouring hole 11 is engaged with the engaging portion, the sealing cover 20 performs a sealing function. Preferably, the upper cover body 21 further has a side wall extending toward the pouring hole 11, and the side wall is drum-shaped and has a hollow structure.

Further, the sealing cover 20 further includes: a lower cover body 22, wherein the lower cover body 22 is fixedly connected with the basic cover 10, the lower cover body 22 is provided with a pouring channel 221, and the pouring channel 221 is communicated with the pouring hole 11; the upper lid body 21 is mounted to the lower lid body 22 so as to be turnable, and the engaging portion engages with the pouring passage 221.

Specifically, the lower cover body 22 is circular, and a pouring channel 221 communicated with the pouring hole 11 is formed on the lower cover body 22, so that the content in the metal can be poured out smoothly; a pull ring can be further arranged on the pouring channel 221, and the pull ring needs to be torn off when the pouring channel is opened for the first time; after the upper cover body 21 is opened, the upper cover body 21 is connected with the lower cover body 22 through soft glue, so that the upper cover body 21 is prevented from being lost; the upper lid body 21 is turned over toward the lower lid body 22, and the first seal ring 211 is snapped into the pouring passage 221 to seal the metal can; the pouring channel 221 may be a through hole, the engaging portion of the first sealing ring 211 may be engaged with the hole wall of the through hole, and the maximum included angle between the upper lid body 21 and the lower lid body 22 may be 45 degrees.

In this embodiment, a second sealing ring may further extend around the pouring channel 221 on the upper cover body 21, and an elastic locking block may be formed on the second sealing ring to be locked with the locking portion on the first sealing ring 211, so as to seal the pouring channel 221; or the first sealing ring 211 and/or the second sealing ring have elasticity, and the first sealing ring 211 and the second sealing ring are in interference fit, so that the pouring channel 221 is sealed.

In this embodiment, the upper cover body 21 may be connected to the lower cover body 22 through soft glue, so that the upper cover body 21 may be turned over with respect to the lower cover body 22, for example, the upper cover body 21 is connected to the lower cover body 22 through two strip-shaped soft glues; on the inside wall of upper cover body 21, be formed with a plurality of strengthening ribs between two flexible glue, the strengthening rib extends towards the internal surface of upper cover body 21 to improve upper cover body 21's intensity.

In this embodiment, the lower cap body 22 may have an annular fixing portion extending toward the basic cap 10, and a first engaging groove is formed on an inner circumference of the fixing portion; an annular mounting part can extend towards the lower cover body 22 of the basic cover 10, the outer circumference of the mounting part is convexly provided with a first clamping ring, and the lower cover body 22 is fixed on the basic cover 10 by clamping the first clamping ring into the first clamping groove; alternatively, a first snap ring is convexly provided on the inner circumference of the fixing portion, a first snap groove is formed on the outer circumference of the mounting portion, and the lower cover body 22 is fixed on the basic cover 10 by the first snap ring being snapped into the first snap groove.

FIG. 4 is a schematic structural view of an embodiment of a basic lid of the composite lid of the metal can of the present invention; FIG. 4 is a schematic structural view of an embodiment of a basic lid of the composite lid of the metal can of the present invention; FIG. 5 is a schematic structural view of an embodiment of a sealing cap in a composite lid of a metal can according to the present invention; FIG. 6 is a schematic structural view of a sealing cap in a closed state in a composite lid of a metal can according to the present invention; fig. 7 is a schematic structural view of a sealing cap in an open state in a composite closure for a metal can according to the present invention.

Referring to fig. 4-7, further, the hole wall of the pouring hole 11 of the basic cover 10 is bent toward the side of the sealing cover 20 to form an elastic engaging support 12; the lower cover body 22 extends toward the base cover 10 with a fixing ring 222, and the fixing ring 222 is engaged with the engaging bracket 12 to fix the lower cover body 22 on the base cover 10.

Specifically, the engaging holder 12 may be a semi-closed ring structure or a closed ring structure; the bottom end of the inner sidewall of the fixing ring 222 may further be formed with a protrusion 222a, the protrusion 222a protrudes toward the engaging bracket 12, and the protrusion 222a is used for abutting against the engaging bracket 12, so as to fasten the fixing ring 222 and the engaging bracket 12.

Further, the lower cover body 22 may further extend toward the basic cover 10 to form a snap ring 223, the snap ring 223 is snapped into the pouring hole 11 of the basic cover 10, and the snap ring 223 extends into the pouring hole 11 by a preset length; the clamping bracket 12 can be clamped between the fixing ring 222 and the clamping ring 223, and the protrusion 222a abuts against the clamping bracket 12 to limit the clamping bracket 12 from sliding off from between the fixing ring 222 and the clamping ring 223, so as to ensure the connection reliability of the lower cover body 22 and the basic cover 10.

When the lower cover body 22 is fixedly connected to the basic cover 10, since the maximum diameter of the engaging bracket 12 is larger than the gap between the fixing ring 222 and the engaging ring 223, and the engaging bracket 1213 has a certain elasticity, the engaging bracket 1213 can be deformed by an external force to be clamped between the fixing ring 222 and the engaging ring 223, under the elasticity of the engaging bracket 1213, the engaging bracket 12 and the fixing ring 222 are abutted against the inner side wall of the engaging ring 223 and the outer side wall of the engaging ring 223 which is abutted against the outer side wall of the fixing ring 222, so that the lower cover body 22 is reliably fixed to the basic cover 10.

A reinforcing structure may be disposed between the fixing ring 222 and the snap ring 223 to improve the strength of the lower cap body 22 and prolong the service life of the sealing cap 20. The reinforced part can also abut against the clamping bracket 12, that is, when the clamping bracket 12 reaches a certain deformation amount, one end of the clamping bracket 12 departing from the basic cover 10 abuts against the reinforced part, so that the situation that the basic cover 10 is partially damaged due to excessive compression of the basic cover 10 by the lower cover body 22 is avoided, and the sealing effect of the composite cover is further ensured. Further, the edge of the lower cap body 22 extends toward the base cap 10 with an annular outer cover 224, and one end of the outer cover 224 facing the base cap 10 is attached to the base cap 10. The outer cover 224 is disposed outside the fixing ring 222, which not only improves the sealing effect, but also protects the fixing connection region between the lower cover body 22 and the basic cover 10, and prolongs the service life of the composite cover.

Further, the upper cover body 21 is connected with the lower cover body 22 through a snap structure, so as to snap the upper cover body 21 on the lower cover body 22.

In this embodiment, for example: a second clamping groove is formed in the outer surface of the lower cover body 22, a second clamping ring is arranged on the inner side wall of the upper cover body 21 in an upward protruding mode, and the upper cover body 21 is buckled on the lower cover body 22 through the second clamping ring clamped into the first clamping ring.

Further, the edge of the pouring channel 221 has a reinforcement 226 extending away from the basic lid 10, the reinforcement 226 having an escape opening 226a to enable the first sealing ring to snap into the pouring channel 221 when the upper lid body 21 is turned over toward the lower lid body 22.

Specifically, the hole wall of the through hole deviating from the soft glue is provided with a reinforcing part extending deviating from the basic cover 10, the reinforcing part is coaxial with the through hole, and the reinforcing part is used for protecting the first sealing ring 211 and limiting the first sealing ring 211 to deviate after the first sealing ring 211 is clamped into the pouring hole 11, so that firm and reliable clamping between the first sealing ring 211 and the pouring hole 11 is further ensured; one side of the reinforcing part facing the soft rubber is provided with an avoiding opening, so that when the upper cover body 21 is turned towards the lower cover body 22, the first sealing ring 211 can be smoothly clamped into the pouring hole 11.

Further, the outer side wall of the upper cover body 21 is formed with an arc-shaped recess 212, and the arc-shaped recess 212 deviates from the soft glue setting.

In this embodiment, the fingers of the consumer can be clipped at the arc-shaped concave part 212, and apply an acting force deviating from the lower cover body 22 to the upper cover body 21, so that the upper cover body 21 deviates from the lower cover body 22 and turns over, and the metal can is opened.

In the embodiments, the composite cover of the metal can improve the portability of the metal can, ensure the safety and sanitation of the contents in the metal can, facilitate the batch production, and has low rejection rate in the production process; wherein, the color of the sealing cover can be designed according to the actual requirement of a user.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A composite lid for a metal can, comprising: a base cap and a sealing cap; the basic cover is used for being connected with the tank body of the metal tank, and is provided with an pouring hole; the sealing cover comprises an elastic clamping part which is clamped with the pouring hole so as to seal the pouring hole.

2. The composite lid of metal can according to claim 1, wherein said sealing lid comprises an upper lid body, a first sealing ring extending from an inner surface of said upper lid body, said first sealing ring having said engaging portion formed on an outer circumference thereof in a groove shape.

3. The composite lid for a metal can according to claim 2, further comprising: the lower cover body is fixedly connected with the basic cover and is provided with a pouring channel which is communicated with the pouring hole; the upper cover body is arranged on the lower cover body in a turnover mode, and the clamping portion is clamped with the pouring channel.

4. The composite cover of metal can according to claim 3, wherein the hole wall of said pouring hole on said basic cover is bent toward one side of said sealing cover to form a snap-fit support with elasticity;

the lower cover body extends towards the basic cover to form a fixing ring, and the fixing ring is clamped with the clamping support.

5. The composite cover of metal can according to claim 4, characterized in that the lower cover body further extends toward the basic cover with a snap ring, the snap ring is snapped into the pouring hole of the basic cover, and the snap bracket is clamped between the fixed ring and the snap ring; the bottom of solid fixed ring's inside wall is formed with the bulge, the bulge orientation joint ring protrusion, the bulge be used for with the block support supports mutually, with the restriction the block support is followed gu fixed ring and joint ring are between the landing.

6. The composite lid for metal cans according to claim 4, wherein the edge of the lower lid body extends toward the basic lid with an annular cover, and an end of the cover facing the basic lid is fitted with the basic lid.

7. The composite cover of metal can according to claim 3, wherein the upper cover body is connected with the lower cover body by soft glue so that the upper cover body can be turned over relative to the lower cover body.

8. The composite lid of metal can according to claim 3, wherein said upper lid body is connected with said lower lid body by a snap structure to snap said upper lid body on said lower lid body.

9. A composite lid of a metal can according to claim 3, characterized in that the edge of the pouring channel has a reinforcement extending away from the basic lid, said reinforcement having an escape opening, so that the first sealing ring can snap into the pouring channel when the upper lid body is turned towards the lower lid body.

10. The composite cover of metal can according to claim 7, characterized in that the outer side wall of the upper cover body is formed with an arc-shaped recess, and the arc-shaped recess is disposed away from the soft glue.