PROBLEM TO BE SOLVED: To provide a volatilization device which can suppress waste volatilization of a volatilization agent.SOLUTION: A volatilization device 1 mounted to a ventilation port 2 is provided with: a support member 4 which is provided with a rear wall part 5 formed with an air hole 5b and a mounting part 7 to the ventilation port 2 provided to the rear wall part 5 a discharge container 11 which is provided with a container body 12 accommodating a volatilization agent and a discharge head 13 discharging the volatilization agent accommodated in the container body 12, and is supported by the support member 4 on the side opposite to the mounting part 7 across the rear wall part 5 a cylindrical impregnation body 21 which covers the outer periphery of the discharge head 13 and is disposed adjacent to the rear wall part 5, and impregnates the volatilization agent discharged from a nozzle 13c of the discharge head 13 and an annular groove 20 which is formed in a fitting cap 14 fitted to a mouth part 12b of the container body 12 to accommodate one axial end part of the impregnation body 21 and prevents leakage of the volatilization agent, discharged from the nozzle 13c of the discharge head 13, to the outside.COPYRIGHT: (C)2014,JPO&INPIT【課題】無駄な揮散剤の揮散を抑制することができる揮散装置を提供することである。【解決手段】送風口2に取り付けられる揮散装置1に、通気孔5bが設けられた背面壁部5と、背面壁部5に設けられる送風口2への取付け部7とを備えた支持部材4と、揮散剤を収容する容器本体12と容器本体12に収容された揮散剤を吐出する吐出ヘッド13とを備え、背面壁部5を挟んだ取付け部7とは反対側において支持部材4に支持される吐出容器11と、吐出ヘッド13の外周を覆うとともに背面壁部5に隣接配置され、吐出ヘッド13のノズル13cから吐出された揮散剤を含浸する円筒状の含浸体21と、容器本体12の口部12bに装着される装着キャップ14に設けられて含浸体21の軸方向の一端部を収容し、吐出ヘッド13のノズル13cから吐出された揮散剤の外部への漏れ出しを防止する環状溝20と、を設ける。【選択図】図1
