JPH03888U - - Google Patents
Info
- Publication number
- JPH03888U JPH03888U JP6206689U JP6206689U JPH03888U JP H03888 U JPH03888 U JP H03888U JP 6206689 U JP6206689 U JP 6206689U JP 6206689 U JP6206689 U JP 6206689U JP H03888 U JPH03888 U JP H03888U
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- water inlet
- hot water
- facing
- water supply
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000002265 prevention Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Bathtub Accessories (AREA)
Description
第１図は本考案実施例の説明図、第２図は第２
実施例の要部断面図、第３図は従来例の説明図で
あり、図中、
１……逆流防止装置、４……ノズル、２０……
オーバーフロー孔、２１……下端開口部、４０…
…バネ、４２……逆止弁、Ａ……給湯用熱交換器
。
Fig. 1 is an explanatory diagram of the embodiment of the present invention, Fig. 2 is an explanatory diagram of the embodiment of the present invention.
A sectional view of the main parts of the embodiment, and FIG. 3 is an explanatory diagram of the conventional example, and in the figure, 1... backflow prevention device, 4... nozzle, 20...
Overflow hole, 21... lower end opening, 40...
... Spring, 42... Check valve, A... Heat exchanger for hot water supply.
Claims (1)
ル４と、該ノズル４の下端部に下方から間隔を置
いて対向し且つ浴槽Ｂ側に繋がる通水口２１と、
該通水口２１と上記ノズル４との間に形成された
間隙部を大気側に連通させるオーバーフロー孔２
０とを具備する逆流防止装置１に於いて、ノズル
４の下端がこれに対向する通水口２１を含む範囲
で上下動するように該ノズル４を昇降可能に構成
すると共に、該ノズル４をバネ４０で上方に付勢
し、該ノズル４の下端部外径をこれに対向する上
記通水口２１の内径と同一又はこれより大きく設
定し、更に上記通水口２１の下流側に逆止弁４２
を配設した湯張り用給湯回路の逆流防止装置。 A nozzle 4 that guides the supplied water downward from the hot water supply heat exchanger A, and a water inlet 21 that faces the lower end of the nozzle 4 at a distance from below and that connects to the bathtub B side.
An overflow hole 2 that communicates the gap formed between the water inlet 21 and the nozzle 4 to the atmosphere side.
0, the nozzle 4 is configured to be movable up and down so that the lower end of the nozzle 4 can move up and down within a range including the water inlet 21 facing the nozzle 4, and the nozzle 4 is moved up and down by a spring. 40, the outer diameter of the lower end of the nozzle 4 is set to be the same as or larger than the inner diameter of the water inlet 21 facing the nozzle 4, and a check valve 42 is installed on the downstream side of the water inlet 21.
A backflow prevention device for the hot water supply circuit for hot water filling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6206689U JPH0637746Y2 (en) | 1989-05-29 | 1989-05-29 | Backflow prevention device for hot water supply circuit for filling water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6206689U JPH0637746Y2 (en) | 1989-05-29 | 1989-05-29 | Backflow prevention device for hot water supply circuit for filling water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03888U true JPH03888U (en) | 1991-01-08 |
| JPH0637746Y2 JPH0637746Y2 (en) | 1994-10-05 |
Family
ID=31590879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6206689U Expired - Fee Related JPH0637746Y2 (en) | 1989-05-29 | 1989-05-29 | Backflow prevention device for hot water supply circuit for filling water |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0637746Y2 (en) |
-
1989
- 1989-05-29 JP JP6206689U patent/JPH0637746Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0637746Y2 (en) | 1994-10-05 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |