Sealing bottle cap

Abstract

The invention discloses a sealing bottle cap, which comprises a bottom cap, a middle cap and an upper cap, wherein a central hole is arranged at the top of the bottom cap, and an internal thread opening which extends downwards to connect a hose is arranged below the central hole; the middle cap is covered on an annular step of the bottom cap above the bottom cap, and the side of the annular step of the bottom cap is provided with an annular depression rotatably matched with the middle cap; a cream outlet pipe which extends upwards and downwards is arranged at the centre of the middle cap, and the cream outlet pipe which extends downwards extends deeply into the central hole and is matched with the central hole in a sealing way; the upper cap is covered on an annular step of the middle cap above the middle cap, and the upper cap is joined with the middle cap through a one-piece connecting piece; and an arc fastener is arranged on the lower edge of the upper cap opposite to the connecting piece of the middle cap, and a sealing ring covered on the cream outlet pipe is arranged at the bottom of the upper cap. The sealing bottle cap has simple structure, low cost, convenient use, attractive appearance and good sealing performance.

Description

technical field [0001] The invention belongs to the technical field of cosmetic packaging, and in particular relates to a sealed bottle cap. Background technique [0002] In the cosmetic packaging industry, cosmetic bottle caps generally use single-layer screw-in flip-caps or single-layer snap-in flip-caps. The above single-layer screw-in flip-caps cannot be well positioned when matched with bottles or hoses, and the opening positions of the flip caps are compared. Random, which affects the packaging effect of cosmetics; in the prior art, the glue points are often exposed outside, and the prominent surface glue points affect the appearance and use, and sometimes even scratch the fingers of consumers, which is inconvenient to use; single-layer structure Can not meet the requirements of two colors for one bottle cap, it is relatively monotonous, and cannot attract consumers very well. If you need to make bottle caps of multiple colors, the workmanship is more complicated and c...

AI Technical Summary

Problems solved by technology

[0002] In the cosmetics packaging industry, cosmetic bottle caps generally adopt single-layer screw-in flip caps or single-layer snap-in flip caps. The above-mentioned single-layer screw-in flip caps cannot be positioned well when matching bottles or hoses. Random, which affects the packaging effect of cosmetics; in the prior art, the glue-in points are often exposed outside, and the protruding surface glue-in points affect the appearance and use, and sometimes even scratch the fingers of consumers, which is inconvenient to use; single-layer structure It cannot meet the requirements of two colors for one bottle cap, it is relatively monotonous, and cannot attract consumers very well. If it is necessary to make bottle caps of various colors, the workmanship is cumbersome and complicated, and the beautification effect is not obvious; the single-layer shot-in type The clamshell must be tapped and fastened by the machine when it is matched with the bottle or hose. Cosmetics are often filled from the tail of the hose. If the cosmetic is relatively viscous, it is easy to add cosmetic liquid to the tail filling, making the filling loose and easy. Quality problems occur, increasing cost input, resulting in waste of products and loss of producers

The short-tooth structure used in the short-tooth bottle cap and hose can easily lead to slippage when the bottle cap is matched with the bottle and hose, which will eventually lead to leakage of the paste, resulting in quality problems and great economic losses.

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