JPH1137312A - Complex valve - Google Patents
Complex valveInfo
- Publication number
- JPH1137312A JPH1137312A JP9198797A JP19879797A JPH1137312A JP H1137312 A JPH1137312 A JP H1137312A JP 9198797 A JP9198797 A JP 9198797A JP 19879797 A JP19879797 A JP 19879797A JP H1137312 A JPH1137312 A JP H1137312A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- manual
- composite
- valve element
- fluid 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.)
- Pending
Links
Landscapes
- Lift Valve (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、例えば、ヒートポ
ンプ式エアコン等を構成する冷凍サイクルの室外機等に
組み込まれる複合弁に係り、特に、電動弁と手動開閉弁
とを一体結合した複合弁に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a compound valve incorporated in, for example, an outdoor unit of a refrigeration cycle constituting a heat pump type air conditioner or the like, and more particularly to a compound valve in which an electric valve and a manual open / close valve are integrally connected. .
【０００２】[0002]
【従来の技術】従来のヒートポンプ式エアコン等を構成
する冷凍サイクルは、図４に示すように、室内機Ａと室
外機Ｂとに分離されており、室内機Ａには室内熱交換器
１が装備されると共に、室外機Ｂには、圧縮機２、室外
熱交換器３、四方切換弁４、電動弁５、二つのストレー
ナ６、６、及び、二つの手動開閉弁７、７等の構成要素
が装備されており、前記各構成要素は、導管によって流
体冷媒が移送されるように接続されている。2. Description of the Related Art As shown in FIG. 4, a refrigeration cycle constituting a conventional heat pump air conditioner or the like is separated into an indoor unit A and an outdoor unit B, and an indoor heat exchanger 1 is provided in the indoor unit A. In addition to being equipped, the outdoor unit B includes a compressor 2, an outdoor heat exchanger 3, a four-way switching valve 4, an electric valve 5, two strainers 6, 6, and two manual opening / closing valves 7, 7, etc. The components are equipped and the components are connected such that the fluid refrigerant is transferred by conduits.
【０００３】前記室内機Ａと室外機Ｂとは、いずれも、
工場等の製作現場で組立られて、設置場所に運ばれ、そ
こで、室内機Ａと室外機Ｂとを所定の場所に設置した
後、導管８、８と手動開閉弁７、７とで、両者を接続し
て冷凍サイクルを完成させて、該サイクル内を冷媒が循
環できるようにしている。[0003] Both the indoor unit A and the outdoor unit B,
It is assembled at a production site such as a factory and carried to an installation location, where an indoor unit A and an outdoor unit B are installed at a predetermined location. To complete the refrigeration cycle so that the refrigerant can circulate in the cycle.
【０００４】図５は、前記室外機Ｂの前記各構成要素の
内、電動弁５、二つのストレーナ６、及び、手動開閉弁
７の構造と、それらの構成要素を複数の導管９、…を介
して接続した状態を示したものである。電動弁５は、弁
本体５ａと、該弁本体５ａの上部に配置された電動機５
ｂとから構成され、前記電動機５ｂは、密閉ケース５ｃ
の外側にステータコイル５ｄと、前記密閉ケース５ｃ室
内に配置されたロータ５ｅとで構成されている。前記密
閉ケース５ｃ内から弁軸５ｆが下方に伸びて下端に弁体
５ｇを固定している。前記電動弁５の弁本体５ａの側部
には、導管９の一端がロー付け溶接等で接続されている
と共に、該導管９の他端にはストレーナ６が同様にロー
付け溶接で接続されている。さらに、前記弁本体５ａの
下部にも、導管９の一端がロー付け溶接接続され、該導
管９の他端に別のストレーナ６がロー付け溶接で接続さ
れている。FIG. 5 shows the structure of the motor-operated valve 5, two strainers 6, and the manual on-off valve 7 among the respective components of the outdoor unit B, and the plurality of conduits 9,. FIG. 2 shows a state in which the devices are connected via a USB cable. The motor-operated valve 5 includes a valve main body 5a and an electric motor 5 disposed above the valve main body 5a.
b, and the electric motor 5b is provided with a closed case 5c.
And a rotor 5e disposed inside the closed case 5c. A valve shaft 5f extends downward from the inside of the closed case 5c, and a valve body 5g is fixed to a lower end. One end of a conduit 9 is connected to the side of the valve body 5a of the electric valve 5 by brazing or the like, and a strainer 6 is similarly connected to the other end of the conduit 9 by brazing. I have. Further, one end of the conduit 9 is also connected to the lower portion of the valve body 5a by brazing, and another strainer 6 is connected to the other end of the conduit 9 by brazing.
【０００５】また、前記手動開閉弁７は、概略横倒しＴ
字状の弁本体７ａを備え、該弁本体７ａには、相互に直
交する冷媒入出用の接続部７ｂ、７ｃが設けられている
と共に、雄ネジ付きスプール形の弁要素７ｄが軸線回り
に回動可能な状態で配されている。前記一方の接続部７
ｂには、導管９の一端がロー付け等で接続固定され、該
導管９の他端には、前記ストレーナ６が同様にロー溶接
で接続固定されている。前記他方の接続部７ｃには、室
内機Ａと室外機Ｂとを結ぶ冷媒循環通路となる導管８
が、適宜の管継手７ｅによって接続固定されている。[0005] The manual opening / closing valve 7 is turned sideways T
The valve body 7a is provided with refrigerant inlet / outlet connecting portions 7b and 7c which are orthogonal to each other, and a male threaded spool type valve element 7d is turned around an axis. It is arranged in a movable state. The one connecting portion 7
One end of a conduit 9 is connected and fixed to b by brazing or the like, and the strainer 6 is similarly connected and fixed to the other end of the conduit 9 by brazing. The other connecting portion 7c has a conduit 8 serving as a refrigerant circulation passage connecting the indoor unit A and the outdoor unit B.
Are connected and fixed by an appropriate pipe joint 7e.
【０００６】前記手動開閉弁７は、エアコン据え付け前
（工場出荷時）には、前記弁要素７ｄがその先端円錐面
部７ｄ1が弁座７ｆに着座して前記接続部７ｂを閉鎖遮
断する閉成位置（最下降位置）となっている。一方エア
コン据え付け時には、室内機Ａ側に位置する前記接続部
７ｃと前記接続部７ｂとが、冷媒循環通路として連通す
るべく、前記弁要素７ｄが回動されて、前記閉成位置か
ら上方に移動して、前記弁座７ｆから前記先端円錐面部
７ｄ1が離れて開成位置（最上昇位置）に移動する。こ
れによって冷媒の循環が可能になる。[0006] The manual on-off valve 7, the front air-conditioning installation (factory), closing said valve element 7d closes shut off the connecting portions 7b that the tip conical surface portion 7d 1 is seated on the valve seat 7f Position (lowest position). On the other hand, when the air conditioner is installed, the valve element 7d is rotated to move upward from the closed position so that the connection portion 7c and the connection portion 7b located on the indoor unit A side communicate as a refrigerant circulation passage. and, moving said from the valve seat 7f the tip conical surface portion 7d 1 leaves the open position (uppermost position). This allows circulation of the refrigerant.
【０００７】[0007]
【発明が解決しようとする課題】ところで、前記の如き
室外機Ｂの電動弁５、ストレーナ６、６、及び、手動開
閉弁７の器具からなる冷媒循環サイクルの組立構造は、
前記各々の構成要素と構成要素との間を導管９、９…を
介して接続する構造となっているために、該冷媒循環サ
イクルの配置位置を広く必要としている。The assembly structure of the refrigerant circulation cycle including the electric valve 5, the strainers 6, 6, and the manual opening / closing valve 7 of the outdoor unit B as described above is as follows.
Since the components are connected to each other via the conduits 9, 9,..., The refrigerant circulation cycle needs to be arranged widely.
【０００８】また、前記電動弁５、ストレーナ６、６、
及び、手動開閉弁７の各構成要素と前記導管９、９…と
をロー付け溶接等で、各々接続固定しているために、前
記各構成要素を室外機Ｂ内に組み立てる時、ロー付け溶
接等の接続固定部所が多くなってしまい、組立のための
労力と費用が高くなってしまうとの問題があった。Further, the electric valve 5, the strainers 6, 6,
Since the components of the manual on-off valve 7 and the conduits 9, 9,... Are connected and fixed by brazing or the like, when the components are assembled in the outdoor unit B, brazing is performed. However, there are problems in that the number of connection fixing parts increases, and labor and cost for assembly increase.
【０００９】更に、前記手動開閉弁７は、前記導管９と
接続固定されているので、その接続部は導管９の外形に
見合う大きさを必要とし、前記手動開閉弁７の全体の形
状を大きなものとしなければならないと云う不具合が生
じていた。Further, since the manual on-off valve 7 is connected and fixed to the conduit 9, the connection portion needs to have a size corresponding to the outer shape of the conduit 9, and the overall shape of the manual on-off valve 7 is large. There was a problem that it had to be taken.
【００１０】本発明は、このような問題に鑑みてなされ
たもので、その目的とするところは、冷凍サイクルの室
外機に装備される電動弁、手動開閉弁、ストレーナ等の
配置構造をコンパクトなものにすると共に、組立の労力
とコストを軽減した弁装置を提供することにある。The present invention has been made in view of such a problem, and an object of the present invention is to provide a compact arrangement structure of an electric valve, a manual on-off valve, a strainer, and the like provided in an outdoor unit of a refrigeration cycle. Another object of the present invention is to provide a valve device which reduces the labor and cost of assembly.
【００１１】[0011]
【課題を解決するための手段】前記目的を達成すべく、
本発明に係る複合弁は、基本的には、弁本体を共有する
電動弁と手動開閉弁とを備え、前記弁本体が側部に二つ
の導管接続部を有すると共に、内部に二つの弁室を有す
ることを特徴としている。In order to achieve the above object,
The composite valve according to the present invention basically includes an electric valve and a manual open / close valve that share a valve body, and the valve body has two conduit connections on the side and two valve chambers inside. It is characterized by having.
【００１２】そして、本発明の複合弁の好ましい具体的
な態様としては、前記弁本体が、一方の導管接続部に連
通する電動弁用の弁室と、他方の導管接続部に連通する
手動開閉弁用の弁室とを備え、前記二つの弁室が流体通
路孔で接続され、前記二つの弁室に面する前記流体通路
孔の両端に、弁座が各々形成され、かつ、前記二つの弁
室には、電動弁の弁軸の弁体もしくは手動開閉弁の弁要
素の弁体のいずれかが配備され、前記弁座に着座及び離
脱可能に配置されていることを特徴としている。In a preferred specific embodiment of the composite valve according to the present invention, the valve body includes a valve chamber for an electric valve communicating with one of the conduit connecting portions, and a manual opening and closing device communicating with the other of the conduit connecting portions. A valve chamber for a valve, wherein the two valve chambers are connected by a fluid passage hole, and a valve seat is formed at each end of the fluid passage hole facing the two valve chambers, and the two The valve chamber is provided with either a valve body of a valve shaft of the motor-operated valve or a valve element of a valve element of the manual on-off valve, and is arranged so as to be able to be seated on and removed from the valve seat.
【００１３】また、本発明の他の具体的態様としては、
前記流体通路孔が、直線通路として形成され、前記電動
弁の弁軸と前記手動開閉弁の弁要素とが、前記流体通路
孔の仮想軸心上に、対向して配置されていることを特徴
としている。更に、前記二つの導管接続部には、各々ス
トレーナが配備されていることを特徴としている。Further, as another specific embodiment of the present invention,
The fluid passage hole is formed as a straight passage, and a valve shaft of the motor-operated valve and a valve element of the manual on-off valve are arranged to face each other on a virtual axis of the fluid passage hole. And Furthermore, a strainer is provided at each of the two conduit connections.
【００１４】このような構成を備えた本発明の複合弁
は、弁本体を共有して電動弁と手動開閉弁を一体に配置
したので、従来のように電動弁と手動開閉弁とを接続す
るための導管等が不要となることで、冷凍サイクルに必
要な弁の構造をコンパクトにし、該冷凍サイクルの設置
容積を小さくすることができる。In the composite valve according to the present invention having such a structure, the motor-operated valve and the manual on-off valve are integrally arranged by sharing the valve body, so that the electric-operated valve and the manual on-off valve are connected as in the prior art. By eliminating the need for a conduit or the like, the valve structure required for the refrigeration cycle can be made compact, and the installation volume of the refrigeration cycle can be reduced.
【００１５】また、電動弁と手動開閉弁、及び、二つの
ストレナーを一つの弁として一体に構成したことによっ
て、弁単体の製造コストを低くすることができると共
に、複数の弁間を導管で接続固定する必要がないので、
ロー付け溶接等の接続固定箇所が少なくなり、組立コス
トも低くすることができる。In addition, since the electric valve, the manual on-off valve, and the two strainers are integrally formed as one valve, the manufacturing cost of the valve unit can be reduced, and a plurality of valves are connected by a conduit. Since there is no need to fix,
The number of connection fixing points such as brazing and welding is reduced, and the assembly cost can be reduced.
【００１６】更に、本発明の複合弁は、手動開閉弁の前
記弁要素の弁体と電動弁の弁軸の弁体とを、前記弁本体
の流体通路孔を介して対向して配置し、該流体通路孔の
両端に弁座を形成して、前記弁体を各々着座及び離脱可
能に配置したので、前記冷媒サイクルの流通経路内で最
も直径の小さい部所に手動開閉弁の弁体を配置できるこ
ととなり、該手動開閉弁の弁体を小さくでき、手動開閉
弁全体の形状も小さくすることができる。Further, in the composite valve according to the present invention, the valve element of the valve element of the manual on-off valve and the valve element of the valve shaft of the electric valve are arranged to face each other via the fluid passage hole of the valve body. Since valve seats are formed at both ends of the fluid passage hole, and the valve bodies are arranged so as to be able to be seated and detached, the valve body of the manual opening / closing valve is provided at the portion having the smallest diameter in the flow path of the refrigerant cycle. As a result, the valve element of the manual on-off valve can be made smaller, and the overall shape of the manual on-off valve can be made smaller.
【００１７】[0017]
【発明の実施の形態】以下、本発明の複合弁の一実施形
態を添付図面を参照しながら詳細に説明する。図１は、
本実施形態の複合弁１の縦断面図である。該図１に示す
複合弁１００は、基本的には、電動弁１０、手動開閉弁
５０、及び、二つのストレーナ６０、６１とが一体とし
て組み込まれ、弁本体２０を共有する構成となってい
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of the composite valve according to the present invention will be described in detail with reference to the accompanying drawings. FIG.
It is a longitudinal section of compound valve 1 of this embodiment. The composite valve 100 shown in FIG. 1 basically has a configuration in which the motor-operated valve 10, the manual on-off valve 50, and the two strainers 60 and 61 are integrally incorporated, and share the valve body 20. .
【００１８】前記電動弁１０は、ステッピングモータ１
１と、前記弁本体２０の一部をなす上部弁本体２０ａ
と、ロータ軸３５及び弁軸３０とを具備しており、前記
ロータ軸３５を前記ステッピングモータ１１により回転
駆動してねじ送りにより昇降させ、それに伴って昇降す
る弁軸３０の弁体３１で前記弁本体２０に形成された流
体通路孔２３の弁座２３ａを弁体３１で開閉する（開口
面積を変化させる）ことにより流量を調整するようにな
っている。The motor-operated valve 10 includes a stepping motor 1
1 and an upper valve body 20a forming a part of the valve body 20
And the rotor shaft 35 and the valve shaft 30. The rotor shaft 35 is driven to rotate by the stepping motor 11 to be moved up and down by screw feed. The flow rate is adjusted by opening and closing the valve seat 23a of the fluid passage hole 23 formed in the valve body 20 with the valve body 31 (changing the opening area).
【００１９】前記ステッピングモータ１１は、前記弁本
体２０に蓋状部材３３を介して連結固定された円筒状の
キャン３２の外周部に嵌装されたステータヨーク１３
と、ボビン１４と、該ボビン１４に巻装され、外部から
通電されるマグネットワイヤ１５と、前記ステータヨー
ク１３、ボビン１４及びマグネットワイヤ１５の外周を
封止するモールド１２と、前記キャン３２の内部に配置
され、後述するスリーブ４０に固定されたボンド磁石よ
りなるロータ３９と、を備えて構成されている。The stepping motor 11 includes a stator yoke 13 fitted around the outer periphery of a cylindrical can 32 fixedly connected to the valve body 20 via a lid member 33.
, A bobbin 14, a magnet wire 15 wound around the bobbin 14, and energized from the outside, a mold 12 for sealing the outer periphery of the stator yoke 13, the bobbin 14 and the magnet wire 15, and an inside of the can 32. And a rotor 39 composed of a bonded magnet fixed to a sleeve 40 described later.
【００２０】前記モールド１２、ステータヨーク１３、
ボビン２４、及びマグネットワイヤ１５は、キャン３２
の外周に一体的に嵌装され、それらはモールド１２にビ
ス１６で取り付けられた押圧係止具１７の係止凸部１７
ａを前記キャン３２の外周に、例えば９０度間隔で４箇
所設けられた凹部１９のいずれかに嵌合させることによ
り位置決め及び抜止め行うようになっている。The mold 12, the stator yoke 13,
The bobbin 24 and the magnet wire 15 are
Are integrally fitted on the outer periphery of the locking projection 17 of the pressing locking tool 17 attached to the mold 12 with screws 16.
a is fitted to the outer periphery of the can 32 in any one of four recesses 19 provided at, for example, 90-degree intervals, thereby positioning and preventing the removal.
【００２１】前記上部弁本体２０ａは、弁室２１を有
し、該弁室２１に連通する流体通路孔２２が設けられ、
前記弁軸３０の弁体３１により開閉される弁座２３ａを
備えた流体通路孔２３が形成されている。前記上部弁本
体２０ａの弁室２１の上方には、内周部に雌ねじ部２７
が形成されたガイドブッシュ２６が、内嵌固定されてい
る。The upper valve body 20a has a valve chamber 21, and a fluid passage hole 22 communicating with the valve chamber 21 is provided.
A fluid passage hole 23 having a valve seat 23a opened and closed by a valve body 31 of the valve shaft 30 is formed. Above the valve chamber 21 of the upper valve body 20a, a female screw 27
The guide bush 26 formed with is fixed inside.
【００２２】前記ガイドブッシュ２６の雌ねじ部２７に
は、ホルダ２８の外周に形成された雄ねじ部２９が螺合
せしめられ、該ホルダ２８の内周下部にフランジ３０ａ
付きの弁軸３０が摺動可能に嵌挿され、また、前記ホル
ダ２８の下部には、前記弁軸３０のフランジ３０ａを受
けるカラー３４が圧入固定されていて、前記弁軸３０
は、前記ホルダ２８内に縮装されたコイルスプリング３
７により常時下方に付勢されている。前記ホルダ２８の
上部には、ロータ軸３５がそれと一体的に回転移動でき
るように内嵌固定されており、前記ホルダ２８の上部外
周には、凸状の可動側ストッパ４５が、下向きに突設さ
れた合成樹脂製のスリーブ４０と一体的に回転移動でき
るように成形固定されている。A male screw portion 29 formed on the outer periphery of the holder 28 is screwed into the female screw portion 27 of the guide bush 26, and a flange 30a is formed on the lower inner peripheral portion of the holder 28.
A valve shaft 30 with a valve shaft 30 is slidably fitted, and a collar 34 for receiving a flange 30a of the valve shaft 30 is press-fitted and fixed below the holder 28.
Is a coil spring 3 compressed in the holder 28.
7 is always urged downward. A rotor shaft 35 is fixedly fitted on the upper portion of the holder 28 so that the rotor shaft 35 can rotate integrally therewith. A movable stopper 45 having a convex shape is provided on the outer periphery of the upper portion of the holder 28 so as to project downward. It is molded and fixed so that it can rotate integrally with the sleeve 40 made of synthetic resin.
【００２３】また、前記ローラ軸３５の上部には、コイ
ルスプリング３６が装填されている。このコイルスプリ
ング３６は、ロータ３９が回転（逆転）せしめられてロ
ータ軸３５やスリーブ４０等が前記雌ねじ部２７と雄ね
じ部２９との螺合によるねじ送りにより上昇せしめられ
て、前記ねじ部２７，２９の螺合が外れたとき、前記ホ
ルダ２８をガイドブッシュ２６側に押圧して再螺合し易
くするためのものである。A coil spring 36 is mounted above the roller shaft 35. In the coil spring 36, the rotor 39 is rotated (reversely rotated), and the rotor shaft 35, the sleeve 40, and the like are raised by screwing by screwing the female screw portion 27 and the male screw portion 29. When the screw 29 is disengaged, the holder 28 is pressed toward the guide bush 26 to facilitate re-screw.
【００２４】前記ガイドブッシュ２６の上部外周には、
前記可動側ストッパ４５が衝接せしめられる凸状の固定
側ストッパ５５が上向きに突設された合成樹脂製の固定
受け座５０が成形固定されている。前記キャン３２は、
一端に下部鍔部３２ａを備えた有底筒状形状をしてお
り、一体絞り加工で成形されている。また、前記蓋状部
材３３は、環状皿状として形成され、その外周端に上部
鍔部３３ａを有している。On the outer periphery of the upper part of the guide bush 26,
A fixed receiving seat 50 made of synthetic resin and having a convex fixed-side stopper 55 to which the movable-side stopper 45 is brought into abutting contact is formed and fixed. The can 32,
It has a bottomed cylindrical shape with a lower flange 32a at one end, and is formed by integral drawing. Further, the lid-like member 33 is formed in an annular dish shape and has an upper flange portion 33a at an outer peripheral end thereof.
【００２５】前記キャン３２、前記蓋状部材３３、及
び、前記上部弁本体２０ａとの組立密封固定は、前記上
部弁本体２０ａの上部環状突出片２０ｃに前記蓋状部材
３３の内部孔を嵌合し、前記上部環状突出片２０ｃを外
周方向にかしめると共に、前記弁上部本体２０ａの外周
部と前記蓋状部材３３の下面とをロー付け溶接を行い、
前記蓋状部材３３の上部鍔部３３ａと前記キャン３２の
前記下部鍔部３２ａの周囲端部をＴｉＧ溶接（タングス
テンイナトガス溶接）等で拝み溶接を行い、前記キャン
１１内を密封状態としている。The internal sealing of the can 32, the lid 33, and the upper valve body 20a is performed by fitting an inner hole of the lid 33 to an upper annular projecting piece 20c of the upper valve body 20a. And, while caulking the upper annular projecting piece 20c in the outer circumferential direction, brazing and welding the outer circumferential portion of the valve upper main body 20a and the lower surface of the lid-like member 33,
The peripheral edge of the upper flange portion 33a of the lid 33 and the lower flange portion 32a of the can 32 are welded by TiG welding (tungsten inert gas welding) or the like, so that the interior of the can 11 is sealed.
【００２６】前記電動弁１０の前記上部弁本体２０ａの
下部には、前記手動開閉弁５０が配置され、該手動開閉
弁５０の下部弁本体２０ｂは、前記電動弁１０の前記上
部弁本体２０ａと一体となって複合弁１００の弁本体２
０を構成している。即ち、前記電動弁１０の上部弁本体
２０ａが、下方に延長されて前記手動開閉弁５０の下部
弁本体２０ｂを構成している。前記下部弁本体２０ｂ
は、内部に弁室５１を備えると共に、下方に筒状装着部
５５を突出し、前記弁室５１の一側に該弁室５１に連通
する冷媒入出用の接続口５２が設けられている。前記筒
状装着部５５には、弁要素５３を挿入保持する該開孔５
４が穿設されている。開孔５４は、前記弁室５１に面す
る部分に雌ネジ５４ａが刻設されていると共に、その雌
ネジ５４ａの下部が拡大孔５４ｂとされている。The manual valve 50 is disposed below the upper valve body 20a of the motor-operated valve 10, and the lower valve body 20b of the manual valve 50 is connected to the upper valve body 20a of the motor-operated valve 10. The valve body 2 of the composite valve 100 as one body
0. That is, the upper valve body 20a of the electric valve 10 is extended downward to form the lower valve body 20b of the manual on-off valve 50. The lower valve body 20b
Is provided with a valve chamber 51 inside, a cylindrical mounting portion 55 protruding downward, and a connection port 52 for refrigerant inflow / outflow communicating with the valve chamber 51 is provided on one side of the valve chamber 51. The opening 5 for inserting and holding the valve element 53 is formed in the cylindrical mounting portion 55.
4 are drilled. The opening 54 has a female screw 54a formed in a portion facing the valve chamber 51, and a lower portion of the female screw 54a is an enlarged hole 54b.
【００２７】前記弁要素５３は、スプール形をしてお
り、上部先端が弁体５３ａとして形成され、中間部に雄
ネジ５３ｂが刻設されると共に、下端が拡大された操作
部５３ｃとされている。該操作部５３ｃには、環状溝５
３ｄが形成され、該環状溝５３ｄ内にシール用のＯリン
グ５３ｅが係合している。前記操作部５３ｃの下端に
は、ドライバーでの回動操作が可能なように操作溝５３
ｆが形成されている。前記弁要素５３は、その雄ネジ５
３ｂを前記開孔５４のの雌ネジ５４ａに螺合させること
で、軸方向に移動可能になっている。The valve element 53 is in the form of a spool, the upper end of which is formed as a valve body 53a, the male screw 53b is engraved in the middle part, and the lower end is formed as an enlarged operation part 53c. I have. The operating portion 53c includes an annular groove 5
3d is formed, and an O-ring 53e for sealing is engaged in the annular groove 53d. An operation groove 53 is provided at a lower end of the operation portion 53c so that a rotation operation by a driver can be performed.
f is formed. The valve element 53 has its male screw 5
By screwing the 3b into the female screw 54a of the opening 54, it is possible to move in the axial direction.
【００２８】図２に示すように、前記手動開閉弁５０の
弁要素５３と前記電動弁１０の弁軸３０とは、前記流体
通路孔２３の仮想軸心Ｙ−Ｙ上に配置し、かつ、前記弁
要素５３の弁体５３ａと前記弁軸３０の弁体３１とを、
前記弁本体２０の流体入出孔２３を介して対向して配置
し、該流体通路孔２３の両端に形成した前記弁座２３
ａ、２３ｂに着座可能に配置したことで、前記流体通路
孔２３の両端で、流量の調整と遮断とを行えるようにな
っている。As shown in FIG. 2, the valve element 53 of the manual on-off valve 50 and the valve shaft 30 of the motor-operated valve 10 are disposed on the virtual axis YY of the fluid passage hole 23, and The valve element 53a of the valve element 53 and the valve element 31 of the valve shaft 30;
The valve seat 23 is disposed at both ends of the fluid passage hole 23 so as to face each other via the fluid inlet / outlet 23 of the valve body 20.
By being arranged so as to be able to be seated at a and 23b, the flow rate can be adjusted and cut off at both ends of the fluid passage hole 23.
【００２９】前記弁本体２０の上部弁本体２０ａの一側
には、導管接続部用の筒状装着部４１が形成されてお
り、該筒状装着部４１内にストレーナ６０が内装装着さ
れていると共に、前記弁本体２０の下部弁本体２０ｂの
一側にも、導管接続部用の筒状装着部４２が形成され、
該筒状装着部４２内にもストレーナ６１が内装装着され
ている。On one side of the upper valve body 20a of the valve body 20, a tubular mounting portion 41 for a conduit connecting portion is formed, and a strainer 60 is mounted inside the cylindrical mounting portion 41. At the same time, on one side of the lower valve body 20b of the valve body 20, a tubular mounting portion 42 for a conduit connection portion is formed,
A strainer 61 is also mounted inside the cylindrical mounting portion 42.
【００３０】このような構成の本実施形態の複合弁１０
０は、図３に示すように、ヒートポンプ式エアコン等を
構成する冷凍サイクル内に組み込まれる。即ち、室内機
Ａと室外機Ｂとに分離された前記冷凍サイクルの室外機
Ｂ側に工場等の生産現場で組み込まれる。工場等での組
立においては室内機Ａに室内熱交換器１が装備されると
共に、室外機Ｂには、圧縮機２、室外熱交換器３、四方
切換弁４、手動開閉弁７、及び、複合弁１００の各構成
要素が組み込まれ、導管９、…によって流体冷媒が移送
されるように接続されて冷凍サイクルを構成するように
装備される。前記複合弁１００の一方の筒状装着部４１
には、前記導管９の一端が適宜の管継手（図示省略）を
介して接続固定され、該導管９の他端が室外熱交換機３
に接続固定される。また、前記複合弁１００の他方の筒
状装着部４２には、キャップ６２等を冠着した状態で工
場等から出荷される。The composite valve 10 according to the present embodiment having the above-described configuration is used.
0 is incorporated in a refrigeration cycle constituting a heat pump type air conditioner or the like as shown in FIG. That is, the refrigerating cycle, which is separated into the indoor unit A and the outdoor unit B, is incorporated into the outdoor unit B side at a production site such as a factory. In assembly at a factory or the like, the indoor unit A is equipped with the indoor heat exchanger 1, and the outdoor unit B is equipped with the compressor 2, the outdoor heat exchanger 3, the four-way switching valve 4, the manual open / close valve 7, and Each component of the composite valve 100 is incorporated, and connected so that the fluid refrigerant is transferred by the conduits 9,..., And is equipped so as to constitute a refrigeration cycle. One cylindrical mounting portion 41 of the composite valve 100
, One end of the conduit 9 is connected and fixed via an appropriate pipe joint (not shown), and the other end of the conduit 9 is connected to the outdoor heat exchanger 3.
Connected and fixed. The composite valve 100 is shipped from a factory or the like with the cap 62 and the like mounted on the other cylindrical mounting portion 42.
【００３１】前記室内機Ａと室外機Ｂとは、工場等での
製作現場で各々組立の後、設置場所に運ばれて、そこ
で、室内機Ａと室外機Ｂとを各々所定の場所に設置した
後、二つの導管８、８で、両者を接続して冷凍サイクル
を完成させて、該サイクル内を冷媒が循環できるようす
る。The indoor unit A and the outdoor unit B are transported to an installation location after being assembled at a production site in a factory or the like, where the indoor unit A and the outdoor unit B are installed at predetermined locations. After that, the two are connected by two conduits 8, 8 to complete the refrigeration cycle, so that the refrigerant can circulate in the cycle.
【００３２】前記室内機Ａと前記室外機Ｂとの所定の設
置場所での組立においては、前記の如く、二本の導管
８、８を介して前記室内機Ａと前記室外機Ｂとが接続さ
れるが、一方の導管８と前記室外機Ｂとは、従来の手動
開閉弁７で接続固定され、他方の導管８は、前記複合弁
１００の他方の筒状装着部４２の前記キャップ６２を取
り外した後、両者が適宜の管継手（図示省略）を介して
接続固定される。In assembling the indoor unit A and the outdoor unit B at a predetermined installation place, the indoor unit A and the outdoor unit B are connected via the two conduits 8 as described above. However, one conduit 8 and the outdoor unit B are connected and fixed by a conventional manual on-off valve 7, and the other conduit 8 connects the cap 62 of the other cylindrical mounting portion 42 of the composite valve 100. After removal, both are connected and fixed via an appropriate pipe joint (not shown).
【００３３】前記前記二つの導管８、８による室内機Ａ
と室外機Ｂとの接続固定の完了の後、前記筒状装着部５
５の外周に螺着されている袋ナット５６を取り外し（弁
要素５３を後述のように開成位置にセットした後に再び
螺着される）、前記弁要素５３に刻設されている前記操
作溝５３ｆにドライバーの先端を係合させて、前記弁要
素５３を回動させて、前記流体通路孔２３の弁座２３ｂ
から前記弁要素５３の弁体５３ａを離脱させて、開成位
置に移動させる。これにより、前記冷凍サイクル内での
冷媒の循環が可能な状態にセットされる。The indoor unit A by the two conduits 8, 8
After completion of the connection and fixing between the outdoor unit B and the
The cap nut 56 screwed around the outer periphery of the valve element 5 is removed (the valve element 53 is screwed again after the valve element 53 is set to the open position as described later), and the operation groove 53f formed in the valve element 53 is formed. , The valve element 53 is rotated, and the valve seat 23 b of the fluid passage hole 23 is rotated.
, The valve element 53a of the valve element 53 is released and moved to the open position. Thereby, the refrigerant is set in a state where circulation of the refrigerant in the refrigeration cycle is possible.
【００３４】なお、前記室内機Ａと前記室外機Ｂとの移
転等により前記ストレーナ６１を保持している筒状装着
部４２に連結されている導管８を取り外すことが必要と
なった場合等には、再び前記弁要素５３の前記操作溝５
３ｆにドライバーを係合させて、前記とは反対方向に回
動させるると、前記弁要素５３の弁体５３ａが前記流体
通路孔２３の弁座２３ｂに着座させて遮断する閉成位置
に移動できる。In the case where it is necessary to remove the conduit 8 connected to the cylindrical mounting portion 42 holding the strainer 61 due to the transfer of the indoor unit A and the outdoor unit B, etc. Is the operating groove 5 of the valve element 53 again.
When the driver engages with 3f and turns in the opposite direction, the valve element 53a of the valve element 53 moves to the closed position where it is seated on the valve seat 23b of the fluid passage hole 23 and shut off. it can.
【００３５】前記の如く、前記室内機Ａと前記室外機Ｂ
とを所定の場所に設置して導管８、８の接続固定が完了
した後の使用状態において、前記複合弁の前記電動弁１
０の各々のマグネットワイヤ１５にパルスを順次通電励
磁すると、ロータ３９、スリーブ４０、ロータ軸３５、
ホルダ２８等が一体的に正転（ここでは右回りに回転）
し、前記雌ねじ部２７と雄ねじ部２９との螺合によるね
じ送りにより前記弁軸３０が下降せしめられて、前記弁
座２３ａに前記弁体３１が着座して、前記流体通路孔２
３が閉じられる。As described above, the indoor unit A and the outdoor unit B
Is installed in a predetermined place, and in a use state after the connection and fixing of the conduits 8 and 8 are completed, the electric valve 1 of the composite valve is used.
0, a pulse is sequentially applied to each magnet wire 15 to excite the rotor 39, the sleeve 40, the rotor shaft 35,
The holder 28 and the like are integrally rotated forward (here, clockwise)
Then, the valve shaft 30 is lowered by screwing by screwing the female screw portion 27 and the male screw portion 29, and the valve body 31 is seated on the valve seat 23a, so that the fluid passage hole 2 is formed.
3 is closed.
【００３６】前記流体通路孔２３が、弁体３１で閉じら
れた時点では、前記可動側ストッパ４５が固定側ストッ
パ５５に未だ衝接しておらず、前記弁軸３０の弁体３１
が前記流体通路孔２３を閉じたまま、前記ホルダ２８等
はさらに回転下降せしめられる。このときの前記弁軸３
０に対する前記ホルダ２８の下降量は、前記コイルスプ
リング３２が圧縮されることにより吸収される。When the fluid passage hole 23 is closed by the valve 31, the movable-side stopper 45 has not yet come into contact with the fixed-side stopper 55 and the valve 31
While the fluid passage hole 23 is closed, the holder 28 and the like are further rotated down. The valve shaft 3 at this time
The lowering amount of the holder 28 with respect to 0 is absorbed by the compression of the coil spring 32.
【００３７】その後さらに、前記ホルダ２８等が回転下
降せしめられると、前記可動側ストッパ４５が固定側ス
トッパ５５に衝接し、これにより、前記ロータ３９への
通電励磁が続行されていても、前記スリーブ４０、軸３
５、ホルダ２８等の回転下降運動が強制的に停止せしめ
られる。そして、流体通路孔２３を開くときは、マグネ
ットワイヤ１５を前記流体通路孔２３を閉じるときとは
逆方向に通電励磁することにより、ロータ軸３５を逆回
転させて、前記流体通路孔２３を開口する。Thereafter, when the holder 28 and the like are further rotated down, the movable-side stopper 45 abuts against the fixed-side stopper 55, so that the energization to the rotor 39 is continued even if the energization to the rotor 39 is continued. 40, axis 3
5. The rotation and downward movement of the holder 28 and the like are forcibly stopped. When the fluid passage hole 23 is opened, the rotor shaft 35 is rotated in reverse by energizing the magnet wire 15 in a direction opposite to the direction in which the fluid passage hole 23 is closed, so that the fluid passage hole 23 is opened. I do.
【００３８】このように、本実施形態の前記複合弁１０
０は、電動弁１０を操作して冷媒の流量の調節を行うと
共に、前記複合弁１００の二つの冷媒流入出部に、各々
ストレナーを一体に配置したので、前記冷凍サイクルの
配管途中等に介在している金属摩耗粉等が前記電動弁１
０内に流入するのが防がれる。As described above, the composite valve 10 of the present embodiment is
0, the electric valve 10 is operated to adjust the flow rate of the refrigerant, and the strainers are integrally arranged at the two refrigerant inflow / outflow portions of the composite valve 100. Metal wear powder or the like
It is prevented from flowing into zero.
【００３９】また、本実施形態の複合弁１００は、前記
電動弁１０と対向して手動開閉弁５０を一体に配置した
ので、前記電動弁１０と前記手動開閉弁５０とで弁本体
２０を共有できると共に、従来のように電動弁１０と手
動開閉弁５０とを接続するための導管等を不要とすると
共に、冷凍サイクルに必要な弁の構造をコンパクトにし
て、該冷凍サイクルの設置容積を小さくすることができ
る。Further, in the composite valve 100 of the present embodiment, since the manual open / close valve 50 is integrally arranged facing the electric valve 10, the valve body 20 is shared by the electric valve 10 and the manual open / close valve 50. In addition to this, a conduit or the like for connecting the electric valve 10 and the manual on-off valve 50 as in the related art is not required, and the valve structure required for the refrigeration cycle is made compact, so that the installation volume of the refrigeration cycle is reduced. can do.
【００４０】更に、前記二つのストレーナ６０、６１も
前記複合弁１００に一体に組み込むことで、前記と同様
に、導管等を不要とすると共に、冷凍サイクルの構造を
コンパクトにできる。Further, by integrating the two strainers 60 and 61 integrally with the composite valve 100, a conduit or the like is not required, as described above, and the structure of the refrigeration cycle can be made compact.
【００４１】更にまた、電動弁１０と手動開閉弁５０、
及び、二つのストレナー６０、６１を一つの弁として一
体に構成したことによって、弁の製造コストを低くする
ことができると共に、複数の弁間を導管で接続固定する
必要もなくなるので、ロー付け溶接等の接続固定箇所も
少なくなり、組立コストを低くすることができる。Further, the electric valve 10 and the manual on-off valve 50,
In addition, since the two strainers 60 and 61 are integrally formed as one valve, the manufacturing cost of the valve can be reduced, and it is not necessary to connect and fix a plurality of valves with a conduit. And the like, the number of connection fixing points is also reduced, and the assembly cost can be reduced.
【００４２】更にまた、本実施形態の複合弁１００は、
手動開閉弁５０の前記弁要素５３の弁体５３ａと前記電
動弁１０の弁軸３０の弁体３１とを、前記弁本体２０の
流体通路孔２３を介して対向して配置し、該流体通路孔
２３の両端に弁座２３ａ、２３ｂを形成して前記弁体５
３ａ、５３ｂを各々着座可能に配置したことで、前記冷
媒サイクルの流通経路内で最も直径の小さい部所に前記
手動開閉弁５０の弁体５３ａを配置できることとなり、
該手動開閉弁５０の弁体５３ａを小さくすることができ
ると共に、これによって、手動開閉弁５０全体を小さく
することができる。Furthermore, the composite valve 100 of the present embodiment
The valve element 53a of the valve element 53 of the manual opening / closing valve 50 and the valve element 31 of the valve shaft 30 of the electric valve 10 are disposed so as to face each other via the fluid passage hole 23 of the valve main body 20. The valve body 5 is formed by forming valve seats 23a and 23b at both ends of the hole 23.
By arranging the seats 3a and 53b so that they can be seated, the valve body 53a of the manual on-off valve 50 can be arranged at the portion having the smallest diameter in the circulation path of the refrigerant cycle,
The valve element 53a of the manual on-off valve 50 can be made smaller, and thereby the entire manual on-off valve 50 can be made smaller.
【００４３】[0043]
【発明の効果】以上の説明から理解されるように、本発
明の複合弁は、電動弁と手動開閉弁とを一つの弁として
一体構成としたので、弁自体を小型にし、かつ製造コス
トを低減できる。また、前記複合弁の採用によって、冷
凍サイクルの室外機内での組み付けスペースが少なくす
むと共に、該室外機への複合弁の組み付けが容易にな
り、組立コストを低減できる。As will be understood from the above description, the composite valve of the present invention has a motor-operated valve and a manual on-off valve integrated into one valve, so that the valve itself can be reduced in size and the manufacturing cost can be reduced. Can be reduced. In addition, by employing the composite valve, the assembling space in the outdoor unit of the refrigeration cycle is reduced, and the assembly of the composite valve to the outdoor unit is facilitated, so that the assembly cost can be reduced.
【図１】本発明の複合弁の一実施形態を示す縦断面図。FIG. 1 is a longitudinal sectional view showing one embodiment of a composite valve of the present invention.
【図２】図１の複合弁の弁本体と弁体部分の拡大断面
図。FIG. 2 is an enlarged sectional view of a valve body and a valve body of the composite valve of FIG. 1;
【図３】図１の複合弁を配備した冷凍サイクルの概念
図。FIG. 3 is a conceptual diagram of a refrigeration cycle provided with the composite valve of FIG.
【図４】従来の電動弁と手動開閉弁等を配備した冷凍サ
イクルの概念図。FIG. 4 is a conceptual diagram of a refrigeration cycle provided with a conventional motor-operated valve, a manual on-off valve, and the like.
【図５】図４の電動弁と手動開閉弁等を配備した冷凍サ
イクルの部分詳細図。FIG. 5 is a partial detailed view of a refrigeration cycle provided with the electric valve and the manual on-off valve shown in FIG. 4;
１０ 電動弁 ２０ 弁本体 ２０ａ 上部弁本体 ２０ｂ 下部弁本体 ２１ 弁室 ２３ 流体通路孔 ２３ａ 弁座 ２３ｂ 弁座 ３０ 弁軸 ３１ 弁体 ４１ 導管接続部（筒状装着部） ４２ 導管接続部（筒状装着部） ５０ 手動開閉弁 ５１ 弁室 ５３ 弁要素 ５３ａ 弁体 ６０ ストレーナ ６１ ストレーナ DESCRIPTION OF SYMBOLS 10 Electric valve 20 Valve main body 20a Upper valve main body 20b Lower valve main body 21 Valve chamber 23 Fluid passage hole 23a Valve seat 23b Valve seat 30 Valve shaft 31 Valve body 41 Pipe connection part (tubular mounting part) 42 Pipe connection part (tubular shape) Mounting part) 50 Manual on-off valve 51 Valve chamber 53 Valve element 53a Valve body 60 Strainer 61 Strainer
Claims (7)
を備え、前記弁本体が側部に二つの導管接続部を有する
と共に、内部に二つの弁室を有することを特徴とする複
合弁。1. A composite comprising a motor-operated valve and a manual on-off valve sharing a valve body, wherein the valve body has two conduit connections on the side and two valve chambers inside. valve.
する電動弁用の弁室と、他方の導管接続部に連通する手
動開閉弁用の弁室とを備え、前記二つの弁室が流体通路
孔で接続されていることを特徴とする請求項１に記載の
複合弁。2. The valve body according to claim 1, further comprising a valve chamber for an electrically operated valve communicating with one of the conduit connections, and a valve chamber for a manual on-off valve communicating with the other conduit connection. The composite valve according to claim 1, wherein the valves are connected by a fluid passage hole.
の両端には、弁座が各々形成されていることを特徴とす
る請求項２に記載の複合弁。3. The composite valve according to claim 2, wherein valve seats are respectively formed at both ends of the fluid passage hole facing the two valve chambers.
体もしくは手動開閉弁の弁要素の弁体のいずれかが配備
され、前記弁座に着座及び離脱可能に配置されているこ
とを特徴とする請求項３に記載の複合弁。4. A valve body of a valve shaft of an electric valve or a valve element of a valve element of a manual opening / closing valve is provided in the two valve chambers, and is disposed so as to be able to be seated and detached from the valve seat. The composite valve according to claim 3, wherein:
されていることを特徴とする請求項２乃至４のいずれか
一項に記載の複合弁。5. The composite valve according to claim 2, wherein the fluid passage hole is formed as a straight passage.
要素とは、前記流体通路孔の仮想軸心上に、対向して配
置されていることを特徴とする請求項５に記載の複合
弁。6. The valve shaft of the motor-operated valve and the valve element of the manual on-off valve are disposed opposite to each other on a virtual axis of the fluid passage hole. Composite valve.
レーナが配備されている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複合弁。7. The composite valve according to claim 1, wherein a strainer is provided in each of the two conduit connections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9198797A JPH1137312A (en) | 1997-07-24 | 1997-07-24 | Complex valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9198797A JPH1137312A (en) | 1997-07-24 | 1997-07-24 | Complex valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH1137312A true JPH1137312A (en) | 1999-02-12 |
Family
ID=16397074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9198797A Pending JPH1137312A (en) | 1997-07-24 | 1997-07-24 | Complex valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH1137312A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004132498A (en) * | 2002-10-11 | 2004-04-30 | Daikin Ind Ltd | Shutoff valve and air conditioner |
| JP2005048922A (en) * | 2003-07-31 | 2005-02-24 | Miura Co Ltd | Valve |
| JP2007010015A (en) * | 2005-06-29 | 2007-01-18 | Tgk Co Ltd | Electric flow rate control valve |
| CN103790882A (en) * | 2014-01-22 | 2014-05-14 | 南通爱慕希机械有限公司 | Electric hydraulic filter throttling valve |
-
1997
- 1997-07-24 JP JP9198797A patent/JPH1137312A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004132498A (en) * | 2002-10-11 | 2004-04-30 | Daikin Ind Ltd | Shutoff valve and air conditioner |
| JP2005048922A (en) * | 2003-07-31 | 2005-02-24 | Miura Co Ltd | Valve |
| JP2007010015A (en) * | 2005-06-29 | 2007-01-18 | Tgk Co Ltd | Electric flow rate control valve |
| CN103790882A (en) * | 2014-01-22 | 2014-05-14 | 南通爱慕希机械有限公司 | Electric hydraulic filter throttling valve |
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