Water tank of coffee machine and manufacturing method thereof

Abstract

The invention relates to a water tank of a coffee machine. The water tank of a coffee machine includes a water tank, a water tank base and a check valve assembly. The bottom of the water has a through hole, the water tank base is arranged under the water tank and butted to the through hole, the water tank is connected with the water tank base in a sealing mode, a step hole communicating with the external is disposed in the water tank base, the step hole further communicates with the through hole, the check valve assembly is disposed in the step hole. The water tank and the water tank base are independent, and then the water tank and the water tank base are connected in a sealing mode. The water tank and the water tank base are respectively manufactured by injection moulding, and then the water tank and the water tank base are connected in a sealing mode, not only the structures of dies are simpler than that of a water tank of a coffee machine manufactured through integrated injection moulding, the injection moulding is easier, plastic dies can be produced stably, and the yield is greatly raised, but also problems that the thickness of side walls of the water tank is nonuniform and divided faces of front and rear dies have long burrs can be solved, and the problems-caused defects of sealing of a seal ring of a check valve of the water tank, water leakage of the water tank and unsmooth movement of the check valve of the water tank can be avoided.

Description

technical field [0001] The invention belongs to the field of coffee machine manufacturing, and in particular relates to a coffee machine water tank and a manufacturing method thereof. Background technique [0002] At present, the common structure of the coffee machine water tank is an integrated water tank formed by direct injection molding. This water tank has the following problems: [0003] 1) The front mold of the water tank injection mold is limited by the size of the water tank check valve, so the positioning column of the front mold cannot be made large enough. During the injection molding of the water tank, the front mold cannot achieve reliable positioning due to the high injection pressure. The rear mold of the mold is eccentric, which causes the glue thickness of the side wall of the water tank to be uneven, and the fractal surface of the front and rear molds is long and sharp, which affects the sealing of the sealing ring of the water tank check valve and the mo...

AI Technical Summary

Problems solved by technology

[0003]1) The front mold of the water tank injection mold is limited by the size of the water tank check valve, so the positioning column of the front mold cannot be made large enough. Due to the high injection pressure during molding, the front mold cannot be reliably positioned, and the rear mold of the mold is eccentric, resulting in uneven glue thickness o

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