JPH01131950U - - Google Patents
Info
- Publication number
- JPH01131950U JPH01131950U JP2735988U JP2735988U JPH01131950U JP H01131950 U JPH01131950 U JP H01131950U JP 2735988 U JP2735988 U JP 2735988U JP 2735988 U JP2735988 U JP 2735988U JP H01131950 U JPH01131950 U JP H01131950U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- check valve
- valve chamber
- drain path
- opening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 230000002265 prevention Effects 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の一実施例に係る風呂用自動給
湯装置の逆流防止装置の自動給湯オフ時の縦断面
図であり、第２図はその自動給湯時の縦断面図で
あり、第３図はその風呂用自動給湯装置の水回路
図である。第４図は上記逆流防止装置の変形例の
自動給湯オフ時の縦断面図であり、第５図はその
変形例の自動給湯時の縦断面図である。
２……逆流防止装置、５……ケーシング、６…
…弁室、７……逆止弁座、８……逆止弁部材、９
……ドレン路、１０……開弁バネ、１１，１３…
…風呂給湯水回路、１２……開口。
FIG. 1 is a vertical cross-sectional view of a backflow prevention device for an automatic bath water heater according to an embodiment of the present invention when the automatic hot water supply is turned off, FIG. The figure is a water circuit diagram of the automatic bath water heater. FIG. 4 is a longitudinal cross-sectional view of a modified example of the backflow prevention device when the automatic hot water supply is turned off, and FIG. 5 is a vertical cross-sectional view of the modified example when the automatic hot water supply is turned off. 2...Backflow prevention device, 5...Casing, 6...
... Valve chamber, 7... Check valve seat, 8... Check valve member, 9
...Drain path, 10...Valve opening spring, 11, 13...
...Bath hot water supply circuit, 12...opening.
Claims (1)
逆流防止装置を介在させ、この逆流防止装置は、
ケーシングと、これの内部に形成された弁室と、
該弁室内に設けられた逆止弁座と、逆止弁座内に
開口し、外部に連通するドレン路と、上記弁室内
に設けられ、上記逆止弁座に接離してドレン路を
開閉する逆止弁部材と、上記弁室内に設けられ、
逆止弁部材を開弁付勢する開弁バネとを備え、風
呂給湯水回路の上流部分の弁室への開口をこれか
ら流出する水流の圧力で逆止弁部材を開弁バネに
抗して閉弁させるように開口させたことを特徴と
する自動給湯装置。 A backflow prevention device is interposed in the bath hot water supply circuit branched from the water heater water circuit, and this backflow prevention device
a casing, a valve chamber formed inside the casing,
A check valve seat provided within the valve chamber, a drain path opening into the check valve seat and communicating with the outside, and a drain path provided within the valve chamber approaching and separating from the check valve seat to open and close the drain path. a check valve member provided in the valve chamber,
The check valve member is provided with a valve opening spring that biases the valve open, and the check valve member is moved against the valve opening spring by the pressure of the water flow that flows out of the opening to the valve chamber in the upstream portion of the bath water supply circuit. An automatic water heater characterized in that the valve is opened so as to close the valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2735988U JPH01131950U (en) | 1988-02-29 | 1988-02-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2735988U JPH01131950U (en) | 1988-02-29 | 1988-02-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01131950U true JPH01131950U (en) | 1989-09-07 |
Family
ID=31249783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2735988U Pending JPH01131950U (en) | 1988-02-29 | 1988-02-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01131950U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0216946U (en) * | 1988-07-20 | 1990-02-02 | ||
| JPH03251656A (en) * | 1990-02-27 | 1991-11-11 | Noritz Corp | Backflow preventing equipment |
| JPH04116341A (en) * | 1990-09-05 | 1992-04-16 | Rinnai Corp | Automated hot water filling device for bathtub |
-
1988
- 1988-02-29 JP JP2735988U patent/JPH01131950U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0216946U (en) * | 1988-07-20 | 1990-02-02 | ||
| JPH03251656A (en) * | 1990-02-27 | 1991-11-11 | Noritz Corp | Backflow preventing equipment |
| JPH04116341A (en) * | 1990-09-05 | 1992-04-16 | Rinnai Corp | Automated hot water filling device for bathtub |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH01131950U (en) | ||
| JPS6378780U (en) | ||
| JPS61130854U (en) | ||
| JPH01126476U (en) | ||
| JPH0442996U (en) | ||
| JPS62138767U (en) | ||
| JPH0329784U (en) | ||
| JPH0430393U (en) | ||
| JPH01118278U (en) | ||
| JPH0474212U (en) | ||
| JPS61130852U (en) | ||
| JPH0269179U (en) | ||
| JPS5874039U (en) | Automatic drainage device for stop-start instant water heaters | |
| JPH029751U (en) | ||
| JPS62136673U (en) | ||
| JPS6199768U (en) | ||
| JPH0329782U (en) | ||
| JPH044613U (en) | ||
| JPH02131165U (en) | ||
| JPH01163262U (en) | ||
| JPH0436553U (en) | ||
| JPH0191839U (en) | ||
| JPS6187272U (en) | ||
| JPS6281783U (en) | ||
| JPH0389765U (en) |