JPS59161448U

JPS59161448U - Backflow prevention device for lukewarm water for bathtubs

Info

Publication number: JPS59161448U
Application number: JP5734383U
Authority: JP
Inventors: 石田　「しよう」治
Original assignee: 株式会社　キタイ製作所
Priority date: 1983-04-15
Filing date: 1983-04-15
Publication date: 1984-10-29

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は本考案に係る逆流防止具の本実施例を示す断面
図。第２図及び第３図は取付状態を示す概略断面図。第
４図イ１口は使用した際のスイング式逆止弁の動作状態
を示す概略断面図。第５図及び第６図は他実施例を示し
、第５図は取付状態の断面図、第６図は先端部の要部断
面図。１・・・挿着体、２・・・外周面、３・・・テーパ面、
６・・・貫通孔、８・・・スイング式逆止弁、９・・・
先端部、１０・・・開口部、１２・・・ワッシャ、１６
・・・浴槽、１８・・・吸入用孔、１９・・・内周面。第３図第４図FIG. 1 is a sectional view showing this embodiment of the backflow prevention device according to the present invention. FIGS. 2 and 3 are schematic cross-sectional views showing the installed state. FIG. 4A is a schematic sectional view showing the operating state of the swing type check valve when in use. 5 and 6 show other embodiments, FIG. 5 being a sectional view of the attached state, and FIG. 6 being a sectional view of the main part of the tip. 1... Insert body, 2... Outer peripheral surface, 3... Tapered surface,
6... Through hole, 8... Swing type check valve, 9...
Tip, 10... Opening, 12... Washer, 16
... Bathtub, 18 ... Inhalation hole, 19 ... Inner peripheral surface. Figure 3 Figure 4

Claims

[Scope of utility model registration request]

An insert body 1 has a tapered surface 3 formed on an outer circumferential surface 2 and a through hole 6 formed in substantially the same direction as the axial direction, and an opening 10 of the through hole 6 of the insert body 1 is connected to a fluid. It consists of a swing type check valve 8 provided at the tip 9 of the insertion body 1 to be automatically opened and closed by back pressure, and a washer 12 fitted onto the tapered surface 3 of the insertion body 1. By press-contacting the washer 12 with the tapered surface 3 of the insertion body 1 to the inner peripheral surface 19 of the suction hole 18 provided on the inner surface of the bathtub 16 into which the insertion is performed, the insertion body 1 is inserted into the suction hole 18. A lukewarm water backflow prevention device for a bathtub, characterized in that it is configured so that it can be inserted into a bathtub.