JPWO2020189736A5 - - Google Patents
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- Publication number
- JPWO2020189736A5 JPWO2020189736A5 JP2021507407A JP2021507407A JPWO2020189736A5 JP WO2020189736 A5 JPWO2020189736 A5 JP WO2020189736A5 JP 2021507407 A JP2021507407 A JP 2021507407A JP 2021507407 A JP2021507407 A JP 2021507407A JP WO2020189736 A5 JPWO2020189736 A5 JP WO2020189736A5
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valve seat
- inflow pipe
- pipe
- tapered portion
- 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
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- 239000012530 fluid Substances 0.000 claims 4
Claims (7)
端部に弁体が設けられた弁軸と、
弁座が形成された端面を備え、前記弁座につながる弁口を備えた弁座部材と、
前記弁本体に接合されたキャンと、
前記キャンの内側に配在されたロータと、
前記ロータを回転駆動すべく前記キャンの外側に配置されたステータと、
前記ロータの回転に応じて、前記弁体を前記弁座に対して近接又は離間する方向に移動させる駆動機構と、を有し、
前記弁座部材は、前記弁座が前記弁室内に突出するように前記弁本体に連結され、
前記弁室は、前記流入管の内周を前記流入管の軸線に沿って延長した範囲内において、前記端面を挟んで前記流入管とは反対側に、流体が流入する空間を有し、
前記弁口は、前記弁座に接続する円筒状の第１弁口部と、前記第１弁口部に接続する第１テーパ部と、前記第１テーパ部に接続し前記第１弁口部より大径の円筒状の第２弁口部とを備え、
前記第１弁口部と前記第１テーパ部は、前記軸線方向において、流体が流出する流出管に最も近い前記流入管の内壁の位置よりも、前記流出管から離れる側に配置されている、
ことを特徴とする電動弁。The valve body with the valve chamber and the valve body
A valve shaft with a valve body at the end,
A valve seat member having an end face on which the valve seat is formed and having a valve opening connected to the valve seat, and a valve seat member.
The can joined to the valve body and
The rotor distributed inside the can and
A stator arranged outside the can to drive the rotor rotationally,
It has a drive mechanism for moving the valve body in a direction toward or away from the valve seat according to the rotation of the rotor.
The valve seat member is connected to the valve body so that the valve seat projects into the valve chamber.
The valve chamber has a space in which the fluid flows into the inflow pipe on the side opposite to the inflow pipe across the end face within a range in which the inner circumference of the inflow pipe is extended along the axis of the inflow pipe.
The valve port has a cylindrical first valve port portion connected to the valve seat, a first tapered portion connected to the first valve port portion, and the first valve port portion connected to the first tapered portion. Equipped with a larger diameter cylindrical second valve port
The first valve port portion and the first tapered portion are arranged on the side away from the outflow pipe in the axial direction from the position of the inner wall of the inflow pipe closest to the outflow pipe from which the fluid flows out.
An electric valve characterized by that.
ことを特徴とする請求項１又は２に記載の電動弁。The inflow pipe and the valve body are joined, and the outflow pipe through which the fluid flows out and the valve seat member are joined.
The electric valve according to claim 1 or 2, wherein the motorized valve is characterized in that.
ことを特徴とする請求項１に記載の電動弁。The valve body includes a circular pipe member, and the inflow pipe and the outflow pipe from which the fluid flows out are joined to the circular pipe member.
The electric valve according to claim 1.
ことを特徴とする請求項１乃至４のいずれか一項に記載の電動弁。The valve seat member is provided with a stepped surface shifted downward from the end face around the end face, and the stepped surface is included in the range.
The electric valve according to any one of claims 1 to 4, wherein the motorized valve is characterized in that.
ことを特徴とする請求項１乃至５のいずれか一項に記載の電動弁。The valve port includes a second tapered portion connected to the second valve port portion, and the angle formed by the axis of the valve shaft and the first tapered portion in a cross section passing through the axis of the valve shaft is the valve. It is larger than the angle formed by the axis of the shaft and the second tapered portion.
The electric valve according to any one of claims 1 to 5, wherein the motorized valve is characterized in that.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019052606 | 2019-03-20 | ||
| JP2019052606 | 2019-03-20 | ||
| PCT/JP2020/012106 WO2020189736A1 (en) | 2019-03-20 | 2020-03-18 | Electric valve |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2020189736A1 JPWO2020189736A1 (en) | 2020-09-24 |
| JPWO2020189736A5 true JPWO2020189736A5 (en) | 2022-03-11 |
| JP7133880B2 JP7133880B2 (en) | 2022-09-09 |
Family
ID=72520303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021507407A Active JP7133880B2 (en) | 2019-03-20 | 2020-03-18 | electric valve |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP7133880B2 (en) |
| CN (1) | CN113614431B (en) |
| WO (1) | WO2020189736A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215983362U (en) * | 2021-08-31 | 2022-03-08 | 浙江盾安人工环境股份有限公司 | Electronic expansion valve and air conditioning unit thereof |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11336918A (en) * | 1998-05-22 | 1999-12-07 | Tosok Corp | Control valve |
| JP5060171B2 (en) | 2007-05-28 | 2012-10-31 | 株式会社不二工機 | Rotor central body for motor-operated valve, rotor feed screw and rotor manufacturing method |
| JP2009052742A (en) | 2007-08-02 | 2009-03-12 | Saginomiya Seisakusho Inc | Needle valve and refrigerating cycle device having the needle valve |
| JP5693899B2 (en) * | 2010-09-15 | 2015-04-01 | 株式会社不二工機 | Motorized valve |
| JP6516960B2 (en) | 2013-11-08 | 2019-05-22 | 株式会社不二工機 | Motorized valve |
| US10253903B2 (en) * | 2016-06-23 | 2019-04-09 | Pacific Industrial Co., Ltd. | Motor-operated valve |
| JP6793945B2 (en) | 2016-12-26 | 2020-12-02 | 株式会社不二工機 | Electrical drive valve |
| JP6903453B2 (en) * | 2017-03-10 | 2021-07-14 | 株式会社鷺宮製作所 | Electric valve and refrigeration cycle system |
| JP6740179B2 (en) | 2017-06-23 | 2020-08-12 | 株式会社鷺宮製作所 | Motorized valve and refrigeration cycle system |
-
2020
- 2020-03-18 CN CN202080022836.5A patent/CN113614431B/en active Active
- 2020-03-18 JP JP2021507407A patent/JP7133880B2/en active Active
- 2020-03-18 WO PCT/JP2020/012106 patent/WO2020189736A1/en active Application Filing
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