JP2761208B2 - Electric flow control valve - Google Patents
Electric flow control valveInfo
- Publication number
- JP2761208B2 JP2761208B2 JP18610796A JP18610796A JP2761208B2 JP 2761208 B2 JP2761208 B2 JP 2761208B2 JP 18610796 A JP18610796 A JP 18610796A JP 18610796 A JP18610796 A JP 18610796A JP 2761208 B2 JP2761208 B2 JP 2761208B2
- Authority
- JP
- Japan
- Prior art keywords
- stator
- control valve
- flow control
- electric flow
- rotor case
- 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.)
- Expired - Fee Related
Links
Landscapes
- Electrically Driven Valve-Operating Means (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は空気調和装置や冷凍
装置に組込み使用される電動流量制御弁に関するもので
ある。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric flow control valve used in an air conditioner or a refrigerator.
【０００２】[0002]
【従来の技術】従来、ステータのロータケースからの抜
止めと回り止めを行う掛止手段を具備した電動流量制御
弁として、特公昭２−６２９９号公報（以下、従来技術
１の電動流量制御弁という）及び実公平３−１０４４６
号公報（以下、従来技術２の電動流量制御弁という）に
開示の技術が知られている。2. Description of the Related Art Conventionally, Japanese Patent Publication No. 2-6299 (hereinafter referred to as the prior art 1) discloses an electric flow control valve having a locking means for preventing the stator from coming off the rotor case and preventing rotation. 3) and Jitsuhei 3-10446
The technology disclosed in Japanese Patent Application Publication (hereinafter referred to as “electric flow control valve of prior art 2”) is known.
【０００３】[0003]
【発明が解決しようとする課題】前記従来技術１の電動
流量制御弁は、ロータケースの外周部に係合凹部を形成
し、この係合凹部に係合可能な係合凸部を有する弾性体
をステータの上部に溶接等の方法を用いて取付けている
ので、ステータの回止めとして第２部材の弾性体が必要
で部品点数が多くなり、この弾性体の取付けに工数がか
かるという問題があった。The motor-operated flow control valve according to the prior art 1 has an engaging recess formed on the outer periphery of the rotor case, and an elastic body having an engaging protrusion engageable with the engaging recess. Is attached to the upper portion of the stator by welding or the like, so that the elastic member of the second member is required as a stopper for the stator, and the number of parts is increased. Was.
【０００４】また、前記従来技術２の電動流量制御弁
は、樹脂形成された特殊形状の回止め具を使用して、ス
テータのロータケースからの抜止めと回り止めを行うの
で、第２部材の回止め具が必要となり、部品点数及びス
テータの組付性に幾多の課題があった。The electric flow control valve according to the prior art 2 uses a specially formed detent member formed of resin to prevent the stator from coming off the rotor case and to prevent the stator from rotating. A rotation stopper is required, and there are many problems in the number of parts and the assemblability of the stator.
【０００５】本発明は前記従来の問題を解消するために
案出されたもので、その目的はステータの組立工数の低
減を図り、ロータケースに対するステータの取付けを容
易に行うことができるようにした電動流量制御弁を提供
することにある。The present invention has been devised in order to solve the above-mentioned conventional problems. An object of the present invention is to reduce the number of man-hours for assembling a stator and to easily attach the stator to a rotor case. An object of the present invention is to provide an electric flow control valve.
【０００６】[0006]
【課題を解決するための手段】前記の目的を達成するた
めに、本発明の電動流量制御弁は、コイル内臓のステー
タを中心穴上部に複数個の係止凸部を有する合成樹脂の
一体成形品で構成し、ロータケースの上部外周部に前記
凸部が係合可能な複数の係合凹部を設け、この係合凹部
と係止凸部の嵌合によりステータの回止めと抜止めを行
うようにしたことを特徴とする。In order to achieve the above-mentioned object, an electric flow control valve according to the present invention comprises a stator having a built-in coil and integrally molded synthetic resin having a plurality of locking projections above a center hole. A plurality of engagement recesses with which the protrusions can be engaged are provided on the upper outer peripheral portion of the rotor case, and the engagement of the engagement recesses and the locking protrusions prevents rotation and removal of the stator. It is characterized by doing so.
【０００７】[0007]
【作用】前記構成の電動流量制御弁は、ステータに一体
樹脂成形された複数個の係止凸部と、ロータケースに形
成された複数の係合凹部とを嵌合させることにより、ロ
ータケースに対するステータの取付けを容易に行うこと
ができ、ステータの組立工数を低減し得る。According to the electric flow control valve having the above-described structure, a plurality of engaging projections formed integrally with the stator and a plurality of engagement recesses formed in the rotor case are fitted to each other to make the rotor flow rate relative to the rotor case. The stator can be easily mounted, and the number of assembling steps of the stator can be reduced.
【０００８】[0008]
【発明の実施の形態】以下、本発明の一実施例を図面に
従い具体的に説明する。図中１は流体入口通路１ａ及び
流体出口通路１ｂを有し内部にニードル弁が接離する弁
シート（図示せず）を設けた弁本体、２はこの弁本体１
に固定され内部に永久磁石付きのロータ（図示せず）を
収納する密閉円筒型のロータケース、５は前記ロータケ
ース２に挿入外嵌される中心穴６及び中心突出口７を有
した環状のステータで、このステータ５の内部にはコイ
ル８とヨーク９が図３の如く格納され、このステータコ
イル８の通電励磁によるロータ回転でニードル弁（図示
せず）が開閉作動するように構成されている。DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be specifically described below with reference to the drawings. In the figure, reference numeral 1 denotes a valve body having a fluid inlet passage 1a and a fluid outlet passage 1b, and a valve body (not shown) provided with a needle valve thereinto for contacting and separating a needle valve.
A closed cylindrical rotor case 5 which accommodates a rotor (not shown) with a permanent magnet therein and has a center hole 6 and a center projecting opening 7 which are inserted and fitted into the rotor case 2. As shown in FIG. 3, a coil 8 and a yoke 9 are housed inside the stator 5 as shown in FIG. 3, and a needle valve (not shown) is opened and closed by rotation of the rotor by energization of the stator coil 8. I have.
【０００９】而して、本発明は前記のような構成の電動
流量制御弁において、前記ステータ５を中心穴６上部に
複数個の係止凸部１３，１４を有する合成樹脂の一体成
形品で構成し、前記ロータケース２の上端外周部に前記
凸部１３，１４が係合可能な複数の係合凹部３，４を設
け、この係合凹部３，４と係止凸部１３，１４の嵌合に
よりステータ５の回止めと抜止めを行うようにしたもの
である。Thus, the present invention relates to an electric flow control valve having the above-mentioned structure, wherein the stator 5 is a synthetic resin integrally molded article having a plurality of locking projections 13 and 14 above the center hole 6. The rotor case 2 is provided with a plurality of engagement recesses 3, 4 with which the projections 13, 14 can be engaged. The fitting stops and prevents the stator 5 from being removed.
【００１０】なお、前記係合凹部３，４及び係止凸部１
３，１４は、１８０度位置で対向する２個のものを図示
したが、その個数は２個に限定されるものではなく、３
個或いは４個であっても良い。The engaging concave portions 3 and 4 and the locking convex portion 1
3 and 14 show two counters at 180 degrees, but the number is not limited to two, and three
The number may be four or four.
【００１１】[0011]
【発明の効果】本発明の電動流量制御弁によれば、ステ
ータに一体樹脂成形された複数個の係止凸部とロータケ
ースに形成された複数の係合凹部とを嵌合させることに
より、ロータケースに対するステータの取付けを従来の
ような第２部材なしで容易に行うことができ、ステータ
の組立工数を低減できるという優れた効果を奏する。According to the electric flow control valve of the present invention, the plurality of engaging projections formed integrally with the stator and the plurality of engaging recesses formed on the rotor case are fitted to each other. The stator can be easily attached to the rotor case without the second member as in the related art, and an excellent effect of reducing the number of assembling steps of the stator is achieved.
【図１】 本発明の一実施例による電動流量制御弁の分
解斜視図。FIG. 1 is an exploded perspective view of an electric flow control valve according to an embodiment of the present invention.
【図２】 前記制御弁の組立状態を示した斜視図。FIG. 2 is a perspective view showing an assembled state of the control valve.
【図３】 本発明の電動流量制御弁に用いられるステー
タの要部断面図。FIG. 3 is a sectional view of a main part of a stator used in the electric flow control valve of the present invention.
１…弁本体、 ２…ロータケース、 ３，４…係合凹部、 ５…ステータ、 ６…中心穴、 ７…中心突出口、 ８…コイル、 １３，１４…係止凸部。 DESCRIPTION OF SYMBOLS 1 ... Valve main body, 2 ... Rotor case, 3, 4 ... Engaging concave part, 5 ... Stator, 6 ... Center hole, 7 ... Center protruding opening, 8 ... Coil, 13, 14 ... Locking convex part.
Claims (1)
るロータケースと、このロータケースに挿入外嵌される
中心穴を有し内部にコイルを格納した環状のステータと
を具備し、このステータコイルの通電励磁によるロータ
回転で弁が開閉する電動流量制御弁において、前記ステ
ータを中心穴上部に複数個の係止凸部を有する合成樹脂
の一体成形品で構成し、前記ロータケースの上部外周部
に前記凸部が係合可能な複数の係合凹部を設け、個の係
合凹部と係止凸部の嵌合によりステータの回止めと抜止
めを行うようにしたことを特徴とする電動流量制御弁。1. A rotor case fixed to a valve body and accommodating a rotor therein, and an annular stator having a center hole inserted and fitted into the rotor case and containing a coil therein, the stator comprising: An electric flow control valve in which a valve is opened and closed by rotation of a rotor by energization of a coil, wherein the stator comprises an integrally molded product of synthetic resin having a plurality of locking projections above a center hole, and an upper outer periphery of the rotor case. A plurality of engagement recesses in which the projections can be engaged, and the rotation of the stator and the removal of the stator are prevented by fitting the engagement recesses and the locking projections. Flow control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18610796A JP2761208B2 (en) | 1996-07-16 | 1996-07-16 | Electric flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18610796A JP2761208B2 (en) | 1996-07-16 | 1996-07-16 | Electric flow control valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09105475A JPH09105475A (en) | 1997-04-22 |
| JP2761208B2 true JP2761208B2 (en) | 1998-06-04 |
Family
ID=16182492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18610796A Expired - Fee Related JP2761208B2 (en) | 1996-07-16 | 1996-07-16 | Electric flow control valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2761208B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004169857A (en) * | 2002-11-21 | 2004-06-17 | Chiyoda Kucho Kiki Kk | Motor-operated valve |
| JP2011153632A (en) * | 2010-01-26 | 2011-08-11 | Fuji Koki Corp | Mounting device of coil unit of motor operated valve |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4839070B2 (en) * | 2005-11-29 | 2011-12-14 | 株式会社不二工機 | Motorized valve |
| FR3062701B1 (en) * | 2017-02-06 | 2019-06-07 | Mmt ag | MOTORIZED VALVE WITH BOISSEAU |
-
1996
- 1996-07-16 JP JP18610796A patent/JP2761208B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004169857A (en) * | 2002-11-21 | 2004-06-17 | Chiyoda Kucho Kiki Kk | Motor-operated valve |
| JP2011153632A (en) * | 2010-01-26 | 2011-08-11 | Fuji Koki Corp | Mounting device of coil unit of motor operated valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09105475A (en) | 1997-04-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |