JPS62179576U - - Google Patents
Info
- Publication number
- JPS62179576U JPS62179576U JP6736286U JP6736286U JPS62179576U JP S62179576 U JPS62179576 U JP S62179576U JP 6736286 U JP6736286 U JP 6736286U JP 6736286 U JP6736286 U JP 6736286U JP S62179576 U JPS62179576 U JP S62179576U
- Authority
- JP
- Japan
- Prior art keywords
- stopper
- engagement recess
- valve body
- valve
- passage
- 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
- 238000006073 displacement reaction Methods 0.000 claims 1
Landscapes
- Electrically Driven Valve-Operating Means (AREA)
Description
第１図はこの考案の一実施例における電動膨張
弁を示す断面図、第２図は第１図の―線に沿
う断面図、第３図は従来の電動膨張弁の断面図で
ある。
１……弁本体、２……第１通路、３……第２通
路、４……流路、５……弁座、６……ケース、９
……ロータ、１３……電気的駆動機構、１５……
ガイド溝（係合凹部）、１９……弁体、２４……
ストツパ軸受、２５……ストツパ、２６，２７…
…当接部材。
FIG. 1 is a sectional view showing an electric expansion valve according to an embodiment of the invention, FIG. 2 is a sectional view taken along the line - - in FIG. 1, and FIG. 3 is a sectional view of a conventional electric expansion valve. 1... Valve body, 2... First passage, 3... Second passage, 4... Flow path, 5... Valve seat, 6... Case, 9
... Rotor, 13 ... Electric drive mechanism, 15 ...
Guide groove (engaging recess), 19... Valve body, 24...
Stopper bearing, 25... Stopper, 26, 27...
...Abutment member.
Claims (1)
間を連通させる流路４内に弁座５を設け、電気的
駆動機構１３によつて回転駆動されるロータ９の
回転により上記弁座５に当接、離反する方向に駆
動される弁体１９を設けた電動膨張弁において、
上記ロータ９の軸心部に軸方向へと後端面にまで
延びる横断面非円形の係合凹部１５を穿設し、一
方上記弁本体１の背部を覆うケース６にストツパ
軸受２４を取着し、このストツパ軸受２４には上
記係合凹部１５に係合すると共に軸方向に移動す
るストツパ２５を螺着し、このストツパ２５の軸
方向移動端部を定める当接部材２６，２７を設け
て成り、上記ストツパ２５と上記係合凹部１５と
の間には、上記電気的駆動機構１３による上記ロ
ータ９の単位回転変位量よりも大きな隙間を設け
たことを特徴とする電動膨張弁。 A valve seat 5 is provided in a flow path 4 that communicates between a first passage 2 and a second passage 3 provided in the valve body 1, and the above-mentioned In an electric expansion valve provided with a valve body 19 that is driven in the direction of contacting and separating from the valve seat 5,
An engagement recess 15 having a non-circular cross section is formed in the axial center of the rotor 9 and extends in the axial direction to the rear end surface, and a stopper bearing 24 is attached to the case 6 that covers the back of the valve body 1. A stopper 25 that engages with the engagement recess 15 and moves in the axial direction is screwed onto the stopper bearing 24, and abutting members 26 and 27 are provided to define the axially movable end of the stopper 25. An electric expansion valve characterized in that a gap larger than the unit rotational displacement of the rotor 9 by the electric drive mechanism 13 is provided between the stopper 25 and the engagement recess 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6736286U JPH0410532Y2 (en) | 1986-05-02 | 1986-05-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6736286U JPH0410532Y2 (en) | 1986-05-02 | 1986-05-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62179576U true JPS62179576U (en) | 1987-11-14 |
| JPH0410532Y2 JPH0410532Y2 (en) | 1992-03-16 |
Family
ID=30906200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6736286U Expired JPH0410532Y2 (en) | 1986-05-02 | 1986-05-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0410532Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005291223A (en) * | 2004-03-31 | 2005-10-20 | Saginomiya Seisakusho Inc | Electric control valve |
| CN104676068A (en) * | 2013-11-29 | 2015-06-03 | 株式会社Tgk | Stepping motor driven control valve |
| JP2023533106A (en) * | 2020-08-19 | 2023-08-02 | 浙江盾安人工環境股▲ふん▼有限公司 | electronic expansion valve |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4082458B2 (en) | 2002-06-26 | 2008-04-30 | 千代田空調機器株式会社 | Motorized valve |
-
1986
- 1986-05-02 JP JP6736286U patent/JPH0410532Y2/ja not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005291223A (en) * | 2004-03-31 | 2005-10-20 | Saginomiya Seisakusho Inc | Electric control valve |
| CN104676068A (en) * | 2013-11-29 | 2015-06-03 | 株式会社Tgk | Stepping motor driven control valve |
| JP2015105714A (en) * | 2013-11-29 | 2015-06-08 | 株式会社テージーケー | Stepping motor drive-type control valve |
| CN104676068B (en) * | 2013-11-29 | 2018-06-15 | 株式会社Tgk | The control valve of stepping motor driving type |
| JP2023533106A (en) * | 2020-08-19 | 2023-08-02 | 浙江盾安人工環境股▲ふん▼有限公司 | electronic expansion valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0410532Y2 (en) | 1992-03-16 |