JPS62180407U - - Google Patents
Info
- Publication number
- JPS62180407U JPS62180407U JP7025886U JP7025886U JPS62180407U JP S62180407 U JPS62180407 U JP S62180407U JP 7025886 U JP7025886 U JP 7025886U JP 7025886 U JP7025886 U JP 7025886U JP S62180407 U JPS62180407 U JP S62180407U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- pair
- chambers
- pressure chambers
- cuff
- 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
- 230000036772 blood pressure Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Fluid-Driven Valves (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Description
第１図は本考案が適用された自動切換弁装置を
備えた血圧計の要部を示す図である。第２図は第
１図の切換弁の他の切換状態を示す図である。第
３図は本考案の他の適用例の要部を示す図であつ
て、第１図の切換弁に相当する図である。
１４，７６：スプール、１６，１８，９２，９
４：圧力室、２０，２２，８８，９０：受圧面、
２５，２７：絞り部、４０：圧力ボンベ、５０：
カフ、６４，６６：電磁開閉弁、８０：絞り部材
。
FIG. 1 is a diagram showing the main parts of a blood pressure monitor equipped with an automatic switching valve device to which the present invention is applied. FIG. 2 is a diagram showing another switching state of the switching valve shown in FIG. 1. FIG. 3 is a diagram showing a main part of another application example of the present invention, and corresponds to the switching valve in FIG. 1. 14, 76: Spool, 16, 18, 92, 9
4: Pressure chamber, 20, 22, 88, 90: Pressure receiving surface,
25, 27: Throttle part, 40: Pressure cylinder, 50:
Cuff, 64, 66: Electromagnetic on-off valve, 80: Throttle member.
Claims (1)
いて該生体の血圧を測定する形式の血圧計におい
て、圧力源から該カフへ流体を供給する状態と該
カフ内から大気へ該流体を排出する状態とに切り
換えられる自動切換弁装置であつて、 軸心方向の移動可能に設けられるとともに、同
一の受圧面積を有し且つ反対向きの一対の受圧面
を備えたスプールと、 前記圧力源にそれぞれ接続され、前記スプール
の一対の受圧面にそれぞれ圧力を作用させる一対
の圧力室と、 該一対の圧力室と前記圧力源との間にそれぞれ
設けられた一対の絞り装置と、 前記一対の圧力室にそれぞれ接続され、非励磁
状態にあるとき該圧力室の排圧を阻止するが励磁
状態にあるとき該圧力室を排圧する一対の電磁開
閉弁と を含むことを特徴とする血圧計用自動切換弁装置
。[Claims for Utility Model Registration] In a sphygmomanometer that measures the blood pressure of a living body based on pressure changes in a cuff wrapped around a part of the living body, a state in which fluid is supplied from a pressure source to the cuff; An automatic switching valve device that can be switched to a state where the fluid is discharged from the inside of the cuff to the atmosphere, which is movable in the axial direction and has a pair of pressure receiving surfaces having the same pressure receiving area and facing oppositely. a pair of pressure chambers that are respectively connected to the pressure source and apply pressure to the pair of pressure receiving surfaces of the spool, and a pair of pressure chambers that are respectively provided between the pair of pressure chambers and the pressure source. a throttle device, and a pair of electromagnetic on-off valves connected to the pair of pressure chambers, respectively, to prevent exhaust pressure from the pressure chambers when in a non-energized state, but to exhaust pressure from the pressure chambers when in an energized state. An automatic switching valve device for a blood pressure monitor characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7025886U JPH048882Y2 (en) | 1986-05-09 | 1986-05-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7025886U JPH048882Y2 (en) | 1986-05-09 | 1986-05-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62180407U true JPS62180407U (en) | 1987-11-16 |
| JPH048882Y2 JPH048882Y2 (en) | 1992-03-05 |
Family
ID=30911734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7025886U Expired JPH048882Y2 (en) | 1986-05-09 | 1986-05-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH048882Y2 (en) |
-
1986
- 1986-05-09 JP JP7025886U patent/JPH048882Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH048882Y2 (en) | 1992-03-05 |