JPH0647008A - Flow control valve - Google Patents

Flow control valve

Info

Publication number
JPH0647008A
JPH0647008A JP4203590A JP20359092A JPH0647008A JP H0647008 A JPH0647008 A JP H0647008A JP 4203590 A JP4203590 A JP 4203590A JP 20359092 A JP20359092 A JP 20359092A JP H0647008 A JPH0647008 A JP H0647008A
Authority
JP
Japan
Prior art keywords
control valve
movable part
drive shaft
pressure outlet
movable
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
Application number
JP4203590A
Other languages
Japanese (ja)
Other versions
JP3029073B2 (en
Inventor
Takuro Yamaguchi
卓郎 山口
Takashi Inagaki
孝 稲垣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Omron Corp
Foster Electric Co Ltd
Original Assignee
Omron Corp
Foster Electric Co Ltd
Omron Tateisi Electronics Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
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Application filed by Omron Corp, Foster Electric Co Ltd, Omron Tateisi Electronics Co filed Critical Omron Corp
Priority to JP4203590A priority Critical patent/JP3029073B2/en
Publication of JPH0647008A publication Critical patent/JPH0647008A/en
Application granted granted Critical
Publication of JP3029073B2 publication Critical patent/JP3029073B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Magnetically Actuated Valves (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)

Abstract

PURPOSE:To provide the flow control valve which can control a minute and continuous exhaust flow rate with high reproducibility in spite of its simple structure. CONSTITUTION:In the flow control valve provided with a pressure outflow port 1-1 for allowing compressed air to flow out into the air, packing 3 contacted with pressure to the pressure outflow port 1-1 and a driving shaft 4 for moving the packing 3 and closing or opening suitably the pressure outflow port 1-1, the driving shaft 4 is supported so as to be movable by providing dampers 9-1, 9-2 energized in the direction for opening the pressure outflow port 1-1 between the driving shaft 4 and a frame 10.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】この発明は、血圧計などで使用さ
れる流量コントロール用の電磁弁に関し、特に、腕帯内
の圧力を連続的かつ徐々に減圧でき、しかも再現性よく
制御することのできる流量コントロール弁に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a solenoid valve for controlling a flow rate used in a sphygmomanometer and the like, and more particularly, to a pressure in the armband which can be continuously and gradually reduced and which can be controlled with good reproducibility. Flow control valve that can be.

【0002】[0002]

【従来の技術】血圧計には各種のものが提案されている
が、腕帯内の圧力を所定値まで増加させた後その圧力を
徐々に減圧してゆき、この減圧過程において各人の血圧
値を測定するものがある。図5の(b)は、係る血圧計
において、腕帯内の圧力を徐々に減圧する為に使用され
る電磁弁(等速徐々排気弁)の一例を概略断面図で図示
したものである。なお、図5の(a)は、この電磁弁の
正面図を図示したものである。
Various types of sphygmomanometers have been proposed. However, after increasing the pressure inside the armband to a predetermined value, the pressure is gradually reduced, and the blood pressure of each person is reduced during this pressure reduction process. Some measure the value. FIG. 5B is a schematic cross-sectional view showing an example of a solenoid valve (constant speed gradual exhaust valve) used to gradually reduce the pressure in the arm band in the sphygmomanometer. In addition, FIG. 5A shows a front view of this solenoid valve.

【0003】この電磁弁は、内管1を通して腕帯部やポ
ンプ部と接続されるフロントケース2と、オリフィスパ
ッキン3を介して内管1の圧力流出口1-1を開閉する駆
動軸(アーマチュア)4と、電磁力に基づいて駆動軸4
を図5の左方向に駆動する電磁コイル5などで構成され
ている。ここで、圧力流出口1-1とオリフィスパッキン
3とが圧接される各端面は、共に平坦面になっており、
しかも、圧接用の端面は互いに平行関係となるよう形成
されている。
This solenoid valve is a drive shaft (armature) which opens and closes a pressure outlet 1 -1 of the inner tube 1 through a front case 2 connected to an arm band and a pump section through the inner tube 1 and an orifice packing 3. 4) and the drive shaft 4 based on the electromagnetic force
Is composed of an electromagnetic coil 5 and the like for driving the motor to the left in FIG. Here, each of the end faces where the pressure outlet 1 -1 and the orifice packing 3 are brought into pressure contact with each other is a flat surface,
Moreover, the press-contacting end faces are formed to be parallel to each other.

【0004】駆動軸4を移動させる電磁コイル5の周り
には、ヨーク6とプレート7とが備えられており、この
ヨーク6とプレート7はマグネット8によって励磁され
ている。また、駆動軸4にはコイルバネ19が当接され
ており、コイルバネ19の作用によって図5の右方向に
付勢されている。尚、10はフレーム部、11はターミ
ナルである。
A yoke 6 and a plate 7 are provided around an electromagnetic coil 5 for moving the drive shaft 4, and the yoke 6 and the plate 7 are excited by a magnet 8. A coil spring 19 is in contact with the drive shaft 4, and is biased to the right in FIG. 5 by the action of the coil spring 19. In addition, 10 is a frame part and 11 is a terminal.

【0005】次に、以上の構成からなる電磁弁を利用し
て血圧測定をする場合の一例を説明する。先ず、電磁コ
イル5に所定値の電流を流して電磁力を発生させ、この
電磁力によって駆動軸4を図5の左向きに移動させる。
すると、駆動軸4先端部のオリフィスパッキン3が圧力
流出口1-1に圧接されるので、内管部分1は完全に閉塞
状態となる。
Next, an example of a case where blood pressure is measured using the solenoid valve having the above configuration will be described. First, a current of a predetermined value is passed through the electromagnetic coil 5 to generate an electromagnetic force, and the drive shaft 4 is moved leftward in FIG. 5 by this electromagnetic force.
Then, the orifice packing 3 at the tip of the drive shaft 4 is pressed against the pressure outlet 1 -1 , so that the inner pipe portion 1 is completely closed.

【0006】次に、この状態でポンプ(図示せず)を作
動させて腕帯(図示せず)に空気を注入して腕帯を加圧
する。その後、腕帯の減圧過程に移行するが、この時
は、電磁コイル5への供給電流を徐々に減少させること
によって電磁力を弱めてゆく。すると、コイルバネ19
の作用によってオリフィスパッキン3が右方向に移動し
て圧力流出口1-1が開放されてゆくことになり、腕帯内
の空気が大気中に微速排気されることになる。そして、
この微速排気の過程において各人の血圧値が計測され
る。
Next, in this state, a pump (not shown) is operated to inject air into the arm band (not shown) to pressurize the arm band. After that, the arm band is depressurized, but at this time, the electromagnetic force is weakened by gradually reducing the current supplied to the electromagnetic coil 5. Then, the coil spring 19
As a result, the orifice packing 3 moves to the right and the pressure outlet 1 -1 is opened, and the air in the armband is discharged to the atmosphere at a very low speed. And
The blood pressure value of each person is measured in the process of the slow exhaustion.

【0007】[0007]

【発明が解決しようとする課題】以上のように、従来の
流量コントロール弁では、電磁コイル5に生じる電磁力
を利用して圧力流出口1-1を閉塞させ、コイルバネ19
の反発力を利用して圧力流出口1-1を開放させている。
この電磁力や反発力は、駆動軸4を介してオリフィスパ
ッキン3に伝達されるのであるが、従来装置の場合に
は、駆動軸4を適宜に支持する部材が設けられていない
ので、駆動軸4のガタツキや傾き、及び軸受との引っか
かり等の影響を直接受けてしまうという問題点があっ
た。つまり、駆動軸4のガタツキなどは、そのままオリ
フィスパッキン3に伝達されるので、例えば血圧計で微
速排気の動作を行わせる場合には微細な排気流量の制御
ができないか、若しくは、動作の再現性が非常に悪いと
いう問題点を生じていた。
As described above, in the conventional flow control valve, the pressure outlet 1 -1 is closed by utilizing the electromagnetic force generated in the electromagnetic coil 5, and the coil spring 19 is closed.
The pressure outlet 1 -1 is opened by utilizing the repulsive force of.
The electromagnetic force and the repulsive force are transmitted to the orifice packing 3 via the drive shaft 4. However, in the case of the conventional device, a member for appropriately supporting the drive shaft 4 is not provided, so that the drive shaft is not provided. There is a problem in that it is directly affected by the rattling and inclination of No. 4 and the catching with the bearing. That is, since rattling of the drive shaft 4 is transmitted to the orifice packing 3 as it is, it is not possible to control the minute exhaust flow rate when performing the operation of the slow speed exhaust with the sphygmomanometer or the reproducibility of the operation. Was very bad.

【0008】この発明は、この問題点に着目してなされ
たものであって、簡単な構造でありながら、微細かつ連
続的な排気流量を再現性よく制御できる流量コントロー
ル弁を提供することを目的とする。
The present invention has been made in view of this problem, and an object thereof is to provide a flow rate control valve having a simple structure and capable of controlling a fine and continuous exhaust flow rate with good reproducibility. And

【0009】[0009]

【課題を解決するための手段及び作用】[Means and Actions for Solving the Problems]

〔請求項1に係る流量コントロール弁〕上記の目的を達
成する為、請求項1の発明は、圧縮気体を外部に流出さ
せる圧力流出口と、この圧力流出口に圧接される弾性部
材と、この弾性部材を移動させ前記圧力流出口を適宜に
閉塞または開放させる可動部とを備える流量コントロー
ル弁において、前記可動部の可動軸と前記可動部以外の
固定部との間を薄膜状の部材で連結する可動部支持体を
設け、前記可動部を前記圧力流出口の開閉方向にのみ移
動するように支持することを特徴としている。
[Flow Control Valve According to Claim 1] In order to achieve the above-mentioned object, the invention of Claim 1 provides a pressure outlet for flowing compressed gas to the outside, an elastic member press-contacted to the pressure outlet, In a flow rate control valve including a movable part that moves an elastic member to appropriately close or open the pressure outlet, a movable shaft of the movable part and a fixed part other than the movable part are connected by a thin film member. A movable part support is provided, and the movable part is supported so as to move only in the opening / closing direction of the pressure outlet.

【0010】ここで、可動部支持体の材料は特に限定さ
れないが、例えば、薄膜状に形成された樹脂、ゴム材、
金属、紙材などが該当する。また、可動部支持体の形状
や構造も特に限定されないが、例えば、弾性を有する薄
膜材料を可動部の可動軸の周り全面に形成して、その薄
膜材料の周辺部を固定部分に連結すればよい。可動軸の
周りに形成される薄膜材料は、可動部を移動可能に支持
するものであれば良いのであるから、例えば、前記形状
の薄膜材料に帯状のしわを複数本形成したり、或いは一
本または複数本の切り込みを入れてもよく、その形状は
任意である。また、剛性の高い薄膜に一本または複数本
の切り込みを入れた形状でもよい。いずれにしても、こ
の可動部支持体は、可動部が常に同じ経路で移動するよ
うに可動部を支持する材料、形状、構造であればよく、
可動体の移動経路がいつも同じであることから、流量の
微細な制御が容易であり且つ制御の再現性にも優れてい
る。
Here, the material of the movable part support is not particularly limited, but for example, a thin film resin, a rubber material,
Metals and paper materials are applicable. Further, the shape and structure of the movable part support are not particularly limited. For example, if a thin film material having elasticity is formed on the entire surface around the movable axis of the movable part and the peripheral part of the thin film material is connected to the fixed part. Good. The thin film material formed around the movable axis may be any one that supports the movable part in a movable manner, and therefore, for example, a plurality of band-shaped wrinkles may be formed on the thin film material having the above-mentioned shape, or one thin film material may be formed. Alternatively, a plurality of cuts may be made, and the shape thereof is arbitrary. Further, it may have a shape in which one or a plurality of cuts are made in a thin film having high rigidity. In any case, this movable part support may be any material, shape, or structure that supports the movable part so that the movable part always moves along the same path.
Since the moving path of the movable body is always the same, fine control of the flow rate is easy and the reproducibility of control is excellent.

【0011】なお、この可動部支持体は、可動部を一か
所で支持してもよいし、複数箇所で支持してもよいが、
複数箇所で支持した場合には、その分だけ制御の再現性
などが向上する。更に、可動部支持体の弾性力を利用し
て圧力流出口が開放される向きに付勢するようにしても
よく、そうすれば他のバネ部材などが不要となる。 〔請求項2に係る流量コントロール弁〕請求項2の発明
は、血圧計の排気弁として使用される請求項1に記載の
流量コントロール弁であって、前記可動部支持体は弾性
力を有する薄膜状の部材で形成され、前記圧力流出口を
開放する向きに前記可動部が付勢されていることを特徴
としている。
The movable part support may support the movable part at one place or at a plurality of places.
When it is supported at a plurality of points, the reproducibility of control is improved accordingly. Further, the elastic force of the movable part support may be used to urge the pressure outlet in the direction in which the pressure outlet is opened, and then another spring member or the like becomes unnecessary. [Flow control valve according to claim 2] The invention of claim 2 is the flow control valve according to claim 1 used as an exhaust valve of a sphygmomanometer, wherein the movable part support is a thin film having elastic force. The movable portion is formed of a member having a shape of a rectangular shape and is biased in a direction to open the pressure outlet.

【0012】この発明の場合には、可動部支持体は、薄
膜状の弾性材料で形成されており、この可動部支持体が
可動部をその他の固定部分に連結している。そして、可
動部は、可動部支持体の弾性力によって圧力流出口が開
放される向きに付勢されているので、コイルバネなどの
部材が不要となる。また、流量の微細な制御が容易であ
り、制御の再現性に優れている点は、請求項1の場合と
同様であるので、血圧計の微速排気の動作などにおいて
特に有効に機能する。
In the case of the present invention, the movable part support is formed of a thin film elastic material, and the movable part support connects the movable part to other fixed parts. Since the movable portion is biased by the elastic force of the movable portion support member in the direction in which the pressure outlet is opened, a member such as a coil spring is unnecessary. Further, since the fine control of the flow rate is easy and the reproducibility of the control is excellent as in the case of the first aspect, it functions particularly effectively in the operation of the slow speed exhaust of the sphygmomanometer.

【0013】[0013]

【実施例】以下、実施例に基づいて、この発明を更に詳
細に説明する。図1は、この発明の一実施例である流量
コントロール弁の概略断面図を図示したものである。こ
の流量コントロール弁は、内管1を通して腕帯部やポン
プ部と接続されるフロントケース2と、オリフィスパッ
キン3を介して内管1の圧力流出口1-1を開閉する駆動
軸4と、電磁力に基づいて駆動軸4を駆動する電磁コイ
ル5などで構成されている。そして、電磁コイル5の周
りには、ヨーク6とプレート7とが備えられており、こ
のヨーク6とプレート7はマグネット8によって励磁さ
れている。なお、10はフレーム部、11はターミナル
である。
The present invention will be described in more detail based on the following examples. FIG. 1 is a schematic sectional view of a flow rate control valve according to an embodiment of the present invention. This flow control valve includes a front case 2 that is connected to an arm band and a pump through an inner pipe 1, a drive shaft 4 that opens and closes a pressure outlet 1 -1 of the inner pipe 1 through an orifice packing 3, and an electromagnetic valve. It is composed of an electromagnetic coil 5 for driving the drive shaft 4 based on force. A yoke 6 and a plate 7 are provided around the electromagnetic coil 5, and the yoke 6 and the plate 7 are excited by a magnet 8. In addition, 10 is a frame part and 11 is a terminal.

【0014】また、駆動軸4は、フロントダンパー9-1
とバックダンパー9-2を介してフレーム部10に連結さ
れており、これが本実施例の特徴点である。図2は、図
1に示す流量コントロール弁のうち、フロントダンパー
-1の付近を詳細に図示したものであり、駆動軸4がフ
ロントダンパー9-1によってフレーム10に連結されて
いる状態を示している。ここで、フロントダンパー9-1
は、駆動軸4の円周上全面に薄膜を貼って形成されてお
り、その中心部が駆動軸4に連結され、周辺部が固定部
たるフレーム10に連結されている。つまり、図2は、
フィルムダンパを駆動軸4の円周上の一面に貼った実施
例を示している。ダンパー部9-1,9-2は、駆動軸4を
支持するように形成されているので、駆動軸4は、図2
の前後方向にのみ可動し、これ以外の方向には移動しな
いように規制される。また、この薄膜(ダンパー)9は
バネ性を有しており、ダンパー9は、常時、駆動軸4を
フロントケース2の反対側に向けて付勢している。
The drive shaft 4 has a front damper 9 -1.
And a back damper 9 -2 and are connected to the frame portion 10, which is a feature of this embodiment. FIG. 2 is a detailed view of the vicinity of the front damper 9 -1 of the flow control valve shown in FIG. 1, showing a state where the drive shaft 4 is connected to the frame 10 by the front damper 9 -1 . ing. Where front damper 9 -1
Is formed by laminating a thin film on the entire surface of the circumference of the drive shaft 4, its central portion is connected to the drive shaft 4, and its peripheral portion is connected to the frame 10 which is a fixed portion. That is, in FIG.
An example in which a film damper is attached to one surface on the circumference of the drive shaft 4 is shown. Since the damper parts 9 -1 , 9 -2 are formed so as to support the drive shaft 4, the drive shaft 4 is not shown in FIG.
It is restricted to move only in the front-back direction and does not move in any other direction. The thin film (damper) 9 has a spring property, and the damper 9 constantly urges the drive shaft 4 toward the opposite side of the front case 2.

【0015】以下、図1及び図2を参照しつつ、この実
施例に係る流量コントロール弁の動作を説明する。先
ず、電磁コイル5に所定値の電流を流すことによって、
図1の左向きの電磁力を発生させる。すると、この電磁
力はダンパー9の反発力に打ち勝って駆動軸4を図1の
左方向に移動させ、オリフィスパッキン3を圧力流出口
-1に圧接して内管1を完全な閉塞状態にする。ここ
で、駆動軸4は、フロントダンパー9-1とバックダンパ
ー9-2によって支持されているので、駆動軸4とオリフ
ィスパッキン3の移動経路は常に同じ経路となる。
The operation of the flow control valve according to this embodiment will be described below with reference to FIGS. 1 and 2. First, by passing a current of a predetermined value through the electromagnetic coil 5,
The leftward electromagnetic force in FIG. 1 is generated. Then, this electromagnetic force overcomes the repulsive force of the damper 9 to move the drive shaft 4 to the left in FIG. 1, and the orifice packing 3 is pressed against the pressure outlet 1 -1 to completely close the inner pipe 1. To do. Here, since the drive shaft 4 is supported by the front damper 9 -1 and the back damper 9 -2 , the moving paths of the drive shaft 4 and the orifice packing 3 are always the same path.

【0016】その後、血圧計の微速排気の過程に移行す
ると、電磁コイル5への供給電流を少しずつ減少させ
る。すると、この電流の減少に応じて電磁力が弱まるの
で、駆動軸4はダンパー9の弾性力によって徐々に右向
きに移動し、結果として、圧力流出口1-1は微細かつ連
続的に開放されてゆく。この場合にもフロントダンパー
-1とバックダンパー9-2によって駆動軸4が支持され
ているので、駆動軸4とオリフィスパッキン3の移動経
路は常に同じであり、従って、排気特性は再現性に優れ
たものとなる。尚、ダンパー9-1,9-2は、駆動軸4を
その両端部に近い所で支持しているので(図1参照)、
駆動軸4の傾きをきびしく規制することができ、微少な
排気流量を再現性良く制御することができる。また、ダ
ンパー9は、駆動軸4の円周上の全面に渡って形成され
ているので、可動部分に塵などが侵入することを防止す
ることができ、その分だけ故障も少ない。
After that, when the process of slowly discharging the blood pressure monitor is started, the current supplied to the electromagnetic coil 5 is gradually decreased. Then, since the electromagnetic force weakens according to the decrease in the current, the drive shaft 4 gradually moves to the right due to the elastic force of the damper 9, and as a result, the pressure outlet 1 -1 is finely and continuously opened. go. In this case also, since the drive shaft 4 is supported by the front damper 9 -1 and the back damper 9 -2 , the movement paths of the drive shaft 4 and the orifice packing 3 are always the same, and therefore the exhaust characteristics are reproducible. It will be excellent. Since the dampers 9 -1 , 9 -2 support the drive shaft 4 near both ends thereof (see FIG. 1),
The inclination of the drive shaft 4 can be strictly regulated, and a minute exhaust flow rate can be controlled with good reproducibility. Further, since the damper 9 is formed over the entire surface on the circumference of the drive shaft 4, it is possible to prevent dust and the like from entering the movable part, and the number of failures is reduced accordingly.

【0017】なお、図1の流量コントロール弁の場合に
は、ダンバー9のバネ性を利用して圧力流出口1-1を開
放しているが、これに限定される必要はなく、例えば、
駆動軸4を支える為だけにダンパー9を配置し、バネ性
は他の部材によって得るようにしても良い。また、ダン
パーの形状も図2のものには限定されず、例えば、図3
や図4に示す形状が考えられる。すなわち、図3は、ダ
ンパー部9の別の実施例を図示したものであり、図2の
ように駆動軸の円周上の一面に薄膜を貼るのではなく、
駆動軸4とフレーム10との間に薄膜体に放射上に4本
渡した実施例を示している。また、図4は、剛性の固い
金属板などを駆動軸4の円周上に貼り、バネ性を調整す
るために適宜な切り込みを入れた実施例を示している。
In the case of the flow rate control valve shown in FIG. 1, the pressure outlet 1 -1 is opened by utilizing the spring property of the damper 9, but it is not limited to this and, for example,
The damper 9 may be arranged only for supporting the drive shaft 4, and the spring property may be obtained by another member. The shape of the damper is not limited to that shown in FIG.
The shapes shown in FIG. That is, FIG. 3 illustrates another embodiment of the damper portion 9, and instead of sticking a thin film on one surface on the circumference of the drive shaft as in FIG. 2,
An embodiment is shown in which four thin films are radiatively provided between the drive shaft 4 and the frame 10. FIG. 4 shows an embodiment in which a rigid hard metal plate or the like is attached on the circumference of the drive shaft 4 and appropriate cuts are made to adjust the spring property.

【0018】[0018]

【発明の効果】以上説明したように、この発明に係る流
量コントロール弁は、可動部がいつも同じ経路で移動で
きるよう可動部支持体を設けたことを特徴としている。
従って、圧力流出口を開閉する動き以外の可動部のガタ
つき分が解消され、微細な流量でもこれを再現性よく制
御することが可能となる。また、可動部支持体を可動部
の両端に各々設けた場合には、例えば駆動軸の傾きや、
駆動軸の傾きによる軸受との引っかかりなどを回避する
ことができ、より高い効果を得ることが可能となる。更
にまた、この発明を血圧計の徐々排気弁に適用した場合
には、微細かつ連続的な微速排気動作を再現性よく制御
することができる。
As described above, the flow rate control valve according to the present invention is characterized in that the movable portion support is provided so that the movable portion can always move along the same path.
Therefore, the rattling of the movable portion other than the movement of opening and closing the pressure outlet is eliminated, and it is possible to control this even with a minute flow rate with good reproducibility. In addition, when the movable portion supports are provided at both ends of the movable portion, for example, the inclination of the drive shaft,
It is possible to avoid a catch with the bearing due to the inclination of the drive shaft, and it is possible to obtain a higher effect. Furthermore, when the present invention is applied to a gradual exhaust valve of a sphygmomanometer, it is possible to control fine and continuous fine speed exhaust operation with good reproducibility.

【図面の簡単な説明】[Brief description of drawings]

【図1】この発明の一実施例である流量コントロール弁
の概略断面図を図示したものである。
FIG. 1 is a schematic cross-sectional view of a flow rate control valve that is an embodiment of the present invention.

【図2】図1のフロントダンパー部の周辺を詳細に図示
したものである。
FIG. 2 is a detailed view showing the periphery of a front damper portion shown in FIG.

【図3】ダンパー部の別の実施例を図示したものであ
る。
FIG. 3 illustrates another embodiment of a damper unit.

【図4】ダンパー部の更に別の実施例を図示したもので
ある。
FIG. 4 illustrates still another embodiment of the damper part.

【図5】従来の流量コントロール弁の概略断面図を図示
したものである。
FIG. 5 is a schematic sectional view of a conventional flow control valve.

【符号の説明】[Explanation of symbols]

-1 圧力流出口 3 オリフィスパッキン 4 駆動軸 5 電磁コイル 8 マグネット 9-1 フロントダンパー 9-2 バックダンパー 10 フレーム1 -1 Pressure outlet 3 Orifice packing 4 Drive shaft 5 Electromagnetic coil 8 Magnet 9 -1 Front damper 9 -2 Back damper 10 Frame

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】圧縮気体を外部に流出させる圧力流出口
と、この圧力流出口に圧接される弾性部材と、この弾性
部材を移動させ前記圧力流出口を適宜に閉塞または開放
させる可動部とを備える流量コントロール弁において、 前記可動部の可動軸と前記可動部以外の固定部との間を
薄膜状の部材で連結する可動部支持体を設け、前記可動
部を前記圧力流出口の開閉方向にのみ移動するように支
持することを特徴とする流量コントロール弁。
1. A pressure outlet for letting out compressed gas to the outside, an elastic member pressed against the pressure outlet, and a movable portion for moving the elastic member to appropriately close or open the pressure outlet. In the flow rate control valve, a movable part support that connects a movable shaft of the movable part and a fixed part other than the movable part with a thin film member is provided, and the movable part is arranged in an opening / closing direction of the pressure outlet. A flow control valve characterized by being supported so that it only moves.
【請求項2】血圧計の排気弁として使用される請求項1
に記載の流量コントロール弁であって、 前記可動部支持体は弾性力を有する薄膜状の部材で形成
され、前記圧力流出口を開放する向きに前記可動部が付
勢されていることを特徴とする流量コントロール弁。
2. A use as an exhaust valve of a blood pressure monitor.
The flow rate control valve according to claim 1, wherein the movable part support is formed of a thin film member having elastic force, and the movable part is biased in a direction to open the pressure outlet. Flow control valve to be.
JP4203590A 1992-07-30 1992-07-30 Flow control valve Expired - Lifetime JP3029073B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4203590A JP3029073B2 (en) 1992-07-30 1992-07-30 Flow control valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4203590A JP3029073B2 (en) 1992-07-30 1992-07-30 Flow control valve

Publications (2)

Publication Number Publication Date
JPH0647008A true JPH0647008A (en) 1994-02-22
JP3029073B2 JP3029073B2 (en) 2000-04-04

Family

ID=16476594

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4203590A Expired - Lifetime JP3029073B2 (en) 1992-07-30 1992-07-30 Flow control valve

Country Status (1)

Country Link
JP (1) JP3029073B2 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998034538A1 (en) * 1997-02-07 1998-08-13 Nihon Seimitsu Sokki Co., Ltd. Fluid flow rate regulating apparatus, sucking device for sphygmomanometers, and sphygmomanometer
WO2001098696A1 (en) 2000-06-22 2001-12-27 Omron Corporation Flow control valve and sphygmomanometer
EP1847743A2 (en) * 2006-04-11 2007-10-24 Japan Precision Instruments Inc. Electric-powered air release valve and blood pressure gauge
JP2009066047A (en) * 2007-09-11 2009-04-02 Citizen Holdings Co Ltd Electromagnetic slow leak valve
JP2011511909A (en) * 2008-02-11 2011-04-14 マイクロフロー インターナショナル ピーティーワイ リミテッド valve
US8905940B2 (en) 2011-04-11 2014-12-09 Omron Healthcare Co., Ltd. Flow rate control valve and blood pressure information measurement device including the same
KR20240009687A (en) * 2022-07-14 2024-01-23 큐어스트림(주) Film type check valve and membrane pump having the check valve

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100545490C (en) * 2006-04-11 2009-09-30 日本精密测器株式会社 Electric-powered air release valve and sphygmomanometer

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998034538A1 (en) * 1997-02-07 1998-08-13 Nihon Seimitsu Sokki Co., Ltd. Fluid flow rate regulating apparatus, sucking device for sphygmomanometers, and sphygmomanometer
US6346082B1 (en) 1997-02-07 2002-02-12 Nihon Seimitsu Sokki Co., Ltd. Device for regulating fluid flow rate, evacuation device for a sphygmomanometer and sphygmomanometer
DE19882088B4 (en) * 1997-02-07 2005-09-01 Nihon Seimitsu Sokki Co., Ltd., Shibukawa Draining device for a sphygmomanometer and sphygmomanometer
WO2001098696A1 (en) 2000-06-22 2001-12-27 Omron Corporation Flow control valve and sphygmomanometer
US6983923B2 (en) 2000-06-22 2006-01-10 Omron Corporation Flow control valve
EP1847743A2 (en) * 2006-04-11 2007-10-24 Japan Precision Instruments Inc. Electric-powered air release valve and blood pressure gauge
EP1847743A3 (en) * 2006-04-11 2009-12-02 Japan Precision Instruments Inc. Electric-powered air release valve and blood pressure gauge
US8096952B2 (en) 2006-04-11 2012-01-17 Japan Precision Instruments, Inc. Electric-powered air release valve and blood pressure gauge
JP2009066047A (en) * 2007-09-11 2009-04-02 Citizen Holdings Co Ltd Electromagnetic slow leak valve
JP2011511909A (en) * 2008-02-11 2011-04-14 マイクロフロー インターナショナル ピーティーワイ リミテッド valve
US8905940B2 (en) 2011-04-11 2014-12-09 Omron Healthcare Co., Ltd. Flow rate control valve and blood pressure information measurement device including the same
KR20240009687A (en) * 2022-07-14 2024-01-23 큐어스트림(주) Film type check valve and membrane pump having the check valve

Also Published As

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