JPS61119072U

JPS61119072U -

Info

Publication number: JPS61119072U
Application number: JP231485U
Authority: JP
Priority date: 1985-01-14
Filing date: 1985-01-14
Publication date: 1986-07-26

Description

[Brief explanation of the drawing]

第１図ないし第６図はこの考案の実施例を示す
ものであつて、第１図は湯沸器用自動流量調整弁
付き水抜き栓を有する給排水装置の概略側面図、
第２図は自動流量調整弁付き水抜き栓の設置部付
近を示す縦断側面図、第３図は自動流量調整弁付
き水抜き栓の拡大縦断側面図、第４図は水が流通
していないときの自動流量調整弁の状態を示す縦
正面図、第５図は低水圧の水が流通しているとき
の自動流量調整弁の状態を示す縦断正面図、第６
図は高水圧の水が流通しているときの自動流量調
整弁の状態を示す縦断正面図である。第７図は従
来の湯沸器用自動流量調整弁付き給水装置を示す
概略側面図である。図において１は湯沸器、２は熱交換部、３は給
水縦管、４は水道管、５は開閉弁、６は給水管、
７は水抜き栓、８は自動流量制御弁、９は水抜き
栓、１４は栓本体、１５は回動用把持部、１６は
通水孔、１９は調節蓋、２１はワツクス式熱応動
伸縮装置、２５は戻しばね、２８は突条、２９は
中心筒体、３１は流量調整用ゴム製Ｏリング、３
２は支承リング、３３は押えリングである。 1 to 6 show an embodiment of this invention, in which FIG. 1 is a schematic side view of a water supply and drainage device having a drain valve with an automatic flow rate adjustment valve for a water heater;
Figure 2 is a longitudinal side view showing the vicinity of the installation part of the drain valve with automatic flow rate adjustment valve, Figure 3 is an enlarged vertical side view of the drain valve with automatic flow rate adjustment valve, and Figure 4 is where water is not flowing. Fig. 5 is a vertical front view showing the state of the automatic flow rate adjustment valve when low water pressure water is flowing;
The figure is a longitudinal sectional front view showing the state of the automatic flow control valve when high pressure water is flowing. FIG. 7 is a schematic side view showing a conventional water supply device with an automatic flow rate adjustment valve for a water heater. In the figure, 1 is a water heater, 2 is a heat exchange section, 3 is a vertical water supply pipe, 4 is a water pipe, 5 is an on-off valve, 6 is a water supply pipe,
7 is a drain plug, 8 is an automatic flow rate control valve, 9 is a drain plug, 14 is a plug body, 15 is a rotating grip, 16 is a water hole, 19 is an adjustment lid, 21 is a wax type thermally responsive expansion and contraction device , 25 is a return spring, 28 is a protrusion, 29 is a central cylinder, 31 is a rubber O-ring for flow rate adjustment, 3
2 is a support ring, and 33 is a holding ring.

Claims

[Scope of utility model registration request]

An automatic flow rate adjustment valve 8 is installed in a water outlet 7 provided at the connection between the lower end of the water supply vertical pipe 3 that supplies water to the heat exchange section 2 and the water supply pipe 6 connected to the water pipe 4 via an on-off valve 5. A water supply and drainage device having a drain plug with an automatic flow rate adjustment valve, characterized in that a drain plug 9 is removably fitted and fixed.