Packaging lid of a milk powder can

Abstract

The invention relates to a packaging lid of a milk powder tank. The packaging lid comprises a lid body, a lid ring, a hinge and a locking plate. An outer wall, an inner wall and an opening are arranged on the periphery of the lid body. A lock catch is arranged at the position of the opening. The lid ring is composed of a base ring and a sealing ring. A convex rib is arranged on the inner wall of the base ring. A lock catch base is arranged on the sealing ring. A step is arranged at the position where the base ring is connected with the sealing ring. The lid body is buckled on the step of the lid ring. The lock catch of the lid body is connected to the lock catch base of the sealing ring in a clamped mode. The hinge is connected between the lid body and the lid ring. An extending edge is arranged at the portion, located at the edge of the bottom of one side of the hinge, of the inner wall of the lid body. According to the packaging lid of the milk powder tank, the composite structure of the lid body and the lid ring is adopted; in the filling link, filling can be completed conveniently and rapidly; during sealing, the lid body and the lid ring seal the packaging tank; in the using link, due to the guiding of the extending edge, when the lid body is closed, the inner wall can conveniently slide into the inner side of the lip edge of the sealing ring, and use is more convenient.

Description

technical field [0001] The invention relates to the technical field of food packaging, in particular to a packaging cover for a milk powder can. technical background [0002] In the prior art, most of the packaging cans used for packaging food are metal cans. The metal cans are usually provided with an outer cover and a sealing layer. , Cause the secondary sealing difficulty of metal outer cover and tank body, both be inconvenient to the storage of food for a long time, be inconvenient to take food again and again of food. [0003] As for milk powder, the amount of each time is small, and each can is used for a long time, which puts forward higher requirements for the sealing of the packaging cans. At present, iron cans are generally used in the market, and two types of sealing cans are used for the can lids. There are many forms, the first one is clamping and extrusion sealing, the fit is tighter, and the sealing effect is better, but the disadvantage of this type of tank ...

AI Technical Summary

Problems solved by technology

[0002] In the prior art, most of the packaging cans used for packaging food are metal cans. The metal cans are usually provided with an outer cover and a sealing layer. , which leads to the difficulty of secondary sealing between the metal outer cover and the tank body, which is not convenient for long-term storage of food, nor is it convenient for multiple feeding of food

But it also has the following problems: 1. Insufficient sealing; 2. The opening and closing of the milk powder cover may be misplaced, which affects practicality.

[0005] Another example is the utility model patent with application number 201320838666.5, which discloses a packaging cover for milk powder cans, which is an intermediate product developed by our company. The technical solution of this patent has not completely solved the above problems.

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