PROBLEM TO BE SOLVED: To provide an automatic water server having a simple structure in which electricity and machine are not used and capable of overcoming excessive dry and excessive supplementation of water.SOLUTION: A water server comprises: a horizontally long sealed tank 5 capable of storing water in its inner section in a sealed manner a small tank 6 arranged on bottom side in the sealed tank 5 and comprising a back hole 61 and a bottom hole 62 water supply tubes 7, 8 connected to small tank 6 and approximately horizontally drawn out to the outside a water supply mat 3 connected to the water supply tube 8 an air syringe 9 connected to the sealed tank 5 at a higher position than the water supply tube 7 an air vent hole 10 for releasing air which has entered from the air syringe 9 into the sealed tank 5, in which the air vent hole 10 has opening at a lower position than upper surface 5a of the sealed tank 5.COPYRIGHT: (C)2015,JPO&INPIT【課題】電気も機械も使わない簡易な構造で、乾き過ぎや水のやり過ぎを解消できる自動給水器を提供する。【解決手段】内部に水を密閉して貯水できる横長状の密閉タンク5と、密閉タンク5内の底側に配設され裏孔61と底孔62を有する小タンク6と、小タンク6に連通接続されて略水平に外側へ引き出される給水チューブ7,8と、給水チューブ8に接続される給水マット3と、給水チューブ7よりも上方で密閉タンク5に接続される空気筒9と、空気筒9から密閉タンク5内に入る空気を外部へ逃がす密閉タンク5の上面5aよりも下方位置に開口されたエアー抜き孔10を備えている。【選択図】図2
