JPH03107952U - - Google Patents
Info
- Publication number
- JPH03107952U JPH03107952U JP1524590U JP1524590U JPH03107952U JP H03107952 U JPH03107952 U JP H03107952U JP 1524590 U JP1524590 U JP 1524590U JP 1524590 U JP1524590 U JP 1524590U JP H03107952 U JPH03107952 U JP H03107952U
- Authority
- JP
- Japan
- Prior art keywords
- valve body
- breathing
- alarm device
- respiratory gas
- remaining amount
- 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
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 13
- 230000000241 respiratory effect Effects 0.000 claims description 6
- 208000031872 Body Remains Diseases 0.000 claims 1
- 230000007423 decrease Effects 0.000 claims 1
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Description
第１図はこの出願の第一の考案の呼吸ガス残量
警報装置の非作動時の断面図、第２図は同上作動
時の断面図、第３図はこの出願の第二の考案の呼
吸ガス残量警報装置を半閉鎖式呼吸装置に実施し
た状態の回路の平面図、第４図は従来技術の呼吸
ガス残量警報装置の作動時の断面図である。
尚、図中符号、１……呼吸ガス残量警報装置の
本体、１ａ……呼吸通路、２……弁体、２ａ……
枢支部、３……発音体、１５……呼吸ガスボンベ
、Ｐ３……バイパス回路、２０……デマンド弁。
FIG. 1 is a sectional view of the respiratory gas residual amount alarm device of the first device of this application when it is not activated, FIG. 2 is a sectional view of the device when the same is activated, and FIG. FIG. 4 is a plan view of a circuit in which the gas remaining amount alarm device is implemented in a semi-closed type breathing apparatus, and FIG. 4 is a cross-sectional view of the conventional breathing gas remaining amount alarm device when it is in operation. In addition, the symbols in the figure are 1...Main body of the breathing gas remaining amount alarm device, 1a...Breathing passage, 2...Valve body, 2a...
Pivotal part, 3... Sounding body, 15... Breathing gas cylinder, P3... Bypass circuit, 20... Demand valve.
Claims (1)
閉止される弁を呼吸通路内に設けた警報装置にお
いて、呼吸通路を閉塞可能な揺動板をもつて弁体
とし、非閉塞時にこの弁体が呼吸通路の内壁と同
一面を保つように、その枢支部を呼吸通路の内壁
上に設けたことを特徴とする呼吸装置における呼
吸ガス残量警報装置。 ２ 弁体を貫通して発音体を設けた請求項１記載
の呼吸装置における呼吸ガス残量警報装置。 ３ 発音体がホイツスルである請求項１記載の呼
吸ガス残量警報装置。 ４ 弁体より吸気側下流に呼吸ガスボンベよりの
バイパス回路を設け、この回路内にデマンド弁を
設けた請求項１記載の呼吸装置における呼吸ガス
残量警報装置。[Claims for Utility Model Registration] 1. In an alarm device in which a valve that is closed when the gas pressure in a breathing gas cylinder decreases is provided in a breathing passage, the valve body is provided with a rocking plate that can close the breathing passage. A respiratory gas residual amount alarm device for a breathing apparatus, characterized in that a pivot portion of the valve body is provided on the inner wall of the breathing passage so that the valve body remains flush with the inner wall of the breathing passage when the valve body is not obstructed. 2. The respiratory gas remaining amount alarm device in a breathing apparatus according to claim 1, wherein a sounding body is provided passing through the valve body. 3. The respiratory gas remaining amount alarm device according to claim 1, wherein the sounding body is a whistle. 4. The respiratory gas remaining amount alarm device in a breathing apparatus according to claim 1, further comprising a bypass circuit from the respiratory gas cylinder provided downstream from the valve body on the intake side, and a demand valve provided in this circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1524590U JPH03107952U (en) | 1990-02-20 | 1990-02-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1524590U JPH03107952U (en) | 1990-02-20 | 1990-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03107952U true JPH03107952U (en) | 1991-11-06 |
Family
ID=31518563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1524590U Pending JPH03107952U (en) | 1990-02-20 | 1990-02-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03107952U (en) |
-
1990
- 1990-02-20 JP JP1524590U patent/JPH03107952U/ja active Pending
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