SHOWER HEAD AND WATER DISCHARGE BLOCK FOR SHOWER HEAD

Title:

SHOWER HEAD AND WATER DISCHARGE BLOCK FOR SHOWER HEAD

Document Type and Number:

Japanese Patent JP2014168621

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To provide a shower head in which maintenance is easy when an air introduction hole is clogged with scales and the like and which can stably maintain a shower function, and a water discharge block used for the shower head.SOLUTION: In the shower head, a plurality of water spray parts 18 are provided extending at a plate-like portion 19 of a water spray plate 3 in a plate thickness direction. The water spray part has a Venturi tube 31 on the upstream side, and a tube-like bubble crushing part 32 on the downstream side, and also has an air introduction passage 33 for introducing air from outside of the water spray part. The Venturi tube and the bubble crushing part are connected in series, an inner diameter of an upstream end of the bubble crushing part is smaller than an inner diameter of a downstream end of the Venturi tube, and a downstream end of the bubble crushing part forms a water spray hole 28 on a surface 27 of the water spray plate. The air introduction passage is connected to a decompression part of the Venturi tube at the downstream end, and the upstream end of the air introduction passage forms an air introduction hole 29 on the surface of the water spray plate.

Inventors:

MAEDA YASUNARI
ITO YOSHIYASU
SHIBATA HISANORI
AKITA TOMOHIRO

Application Number:

JP2013043028A

Publication Date:

September 18, 2014

Filing Date:

March 05, 2013

Export Citation:

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