JPS6367472A - Four-way valve for refrigerating cycle - Google Patents

Four-way valve for refrigerating cycle

Info

Publication number
JPS6367472A
JPS6367472A JP61209928A JP20992886A JPS6367472A JP S6367472 A JPS6367472 A JP S6367472A JP 61209928 A JP61209928 A JP 61209928A JP 20992886 A JP20992886 A JP 20992886A JP S6367472 A JPS6367472 A JP S6367472A
Authority
JP
Japan
Prior art keywords
valve
slide
seat
armature
holder
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
Application number
JP61209928A
Other languages
Japanese (ja)
Inventor
Tokinori Araki
荒木 時則
Masaharu Asada
朝田 正治
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Refrigeration 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
Application filed by Matsushita Refrigeration Co filed Critical Matsushita Refrigeration Co
Priority to JP61209928A priority Critical patent/JPS6367472A/en
Publication of JPS6367472A publication Critical patent/JPS6367472A/en
Pending legal-status Critical Current

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  • Multiple-Way Valves (AREA)

Abstract

PURPOSE:To perform the correct positioning of an outlet and bleeders by connecting an armature to a holder vertically to the seat face of a valve seat to transfer the driving force. CONSTITUTION:A holder 34 transferring the driving force to a slide valve 37 and a solenoid device 40 driving the slide valve 37 are provided. The armature 33 of the solenoid device 40 is well coupled with an armature guide 45, and the inner wall face of the recessed notch section 34a at its end is connected to the lug 34a of the holder 34 vertically to the seat face 35a of a valve seat 45. Accordingly, the driving force of the solenoid device 40 can be transferred directly to the slide valve 37, and correct positioning can be performed between the slide valve 37, valve seat 35 and an outlet 35b, the first bleeder 35c, second bleeder 35d.

Description

【発明の詳細な説明】 産業上の利用分野 本発明は冷凍サイクル、特にヒートポンプ型の空調機の
冷房・暖房の切換に用いる冷凍サイクル用西方弁に関す
るものである。
DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a refrigeration cycle, and particularly to a west valve for a refrigeration cycle used for switching between cooling and heating in a heat pump type air conditioner.

従来の技術 近年、冷凍サイクル用四方弁は、空調機のヒートポンプ
化が進むにつれ、その需要は急増しており、低コスト化
、信頼性向上、小型化等の要求が強くなっている。
BACKGROUND OF THE INVENTION In recent years, the demand for four-way valves for refrigeration cycles has rapidly increased as air conditioners increasingly use heat pumps, and demands for lower costs, improved reliability, and smaller sizes have become stronger.

以下図面を参照しながら、上述した従来の冷凍サイクル
用西方弁の一例について説明する。
An example of the above-mentioned conventional western valve for a refrigeration cycle will be described below with reference to the drawings.

第6図は従来の冷凍サイクル用四方弁の断面図を示すも
のである。1は圧縮機、2はアキュムレータであり、四
方弁3を介して室内コイル4と膨張器5と室外コイル6
の還状回路と接続され、周知のヒートポンプ式冷媒回路
を構成している。四方弁3は、弁本体7とパイロットバ
ルブ8とで構成されており、弁本体7は2個のピストン
9,1゜により3つの空間11,12.13に分けられ
、2個のピストン9,1oは連結棒14で結ばれ同時に
第8図上で左右に移動する。連結棒14上にはスライド
パルプ16が取り付けられており、ピストン9,1oが
動けば前記スライドパルプ16が共に動く。ピストン9
,10で挾まれた領域には4本の導管18.17.18
が接続され、圧縮機1の吐出管16は常に空間12に連
通し、圧縮機1の吸入管17はスライドパルプ15とバ
ルブシート2oにて形成される空間21に常に連通して
いる。また導管18.19はそれぞれ室内コイル4及び
室外コイル6に接続されており、スライドパルプ16の
位置により空間12と連通したり空間21と連通したり
する。ピストン9,1oには圧力バランス孔22.23
を設けている。次にパイロットパルプ8の構造について
説明する。パイロットパルプ8内には2つの空間24.
25が設けられ、ソレノイドコイル26によシ作動する
ニー・ドルパルプ27.28にて交互に閉塞される連通
孔29を有している。第8図のニードルパル、プ27.
28はソレノイドコイル26が通電され゛た暖房運転状
態を示している。3oは前記連通孔29と吸入管17と
を連通ずる抽気管、31は空間11と空間24を連通す
る抽気管、32は空間13と空間26を連結する抽気管
である。次に以上の構成にてなる四方弁3の動作につい
て説明する。
FIG. 6 shows a sectional view of a conventional four-way valve for a refrigeration cycle. 1 is a compressor, 2 is an accumulator, which connects an indoor coil 4, an expander 5, and an outdoor coil 6 via a four-way valve 3.
The refrigerant circuit is connected to the refrigerant circuit, forming a well-known heat pump refrigerant circuit. The four-way valve 3 is composed of a valve body 7 and a pilot valve 8. The valve body 7 is divided into three spaces 11, 12, 13 by two pistons 9, 1°, 1o is connected by a connecting rod 14 and simultaneously moves left and right in FIG. A slide pulp 16 is mounted on the connecting rod 14, and when the pistons 9 and 1o move, the slide pulp 16 moves together. piston 9
, 10 have four conduits 18.17.18
The discharge pipe 16 of the compressor 1 is always in communication with the space 12, and the suction pipe 17 of the compressor 1 is always in communication with the space 21 formed by the slide pulp 15 and the valve seat 2o. The conduits 18 and 19 are connected to the indoor coil 4 and the outdoor coil 6, respectively, and communicate with the space 12 or with the space 21 depending on the position of the slide pulp 16. Pistons 9 and 1o have pressure balance holes 22 and 23.
has been established. Next, the structure of the pilot pulp 8 will be explained. There are two spaces 24 within the pilot pulp 8.
25 is provided, and has communication holes 29 which are alternately closed by needle pulps 27 and 28 operated by a solenoid coil 26. Needle pal in Figure 8, P27.
28 indicates a heating operation state in which the solenoid coil 26 is energized. 3o is an air bleed pipe that communicates the communication hole 29 and the suction pipe 17, 31 is an air bleed pipe that communicates the space 11 and the space 24, and 32 is an air bleed pipe that connects the space 13 and the space 26. Next, the operation of the four-way valve 3 having the above configuration will be explained.

第6図は暖房運転状態を示しておシ、各空間11.12
,13,24,25の圧力は次の様になっている。圧縮
機1の吐出ガスにより空間12は高圧となり、ピストン
9,1oに設けられた圧力バランス孔22.23を通じ
て空間11及び空間13を高圧圧力に保とうとする。と
ころがノ(イロットバルプ8内のニードルパルプ27が
連通孔29を閉じているため空間13は抽気管32.空
間26.連通孔29及び抽気管30を介して吸入管17
と連通し低圧圧力となっている。従って空間11と空間
13の間にはピストン9,10を介して圧力差を生じピ
ストン9,10及びスライドパルプ16が第6図の、右
方向に押しつけられ所定の暖房運転状態を維持する。次
に、暖房運転が停止されるか、除霜運転が開始されるか
、又は冷房運転開始時における四方弁3の動作を説明す
る。
Figure 6 shows the heating operation status, each space 11.12
, 13, 24, and 25 are as follows. The space 12 becomes high pressure due to the discharge gas of the compressor 1, and an attempt is made to maintain the space 11 and the space 13 at a high pressure through the pressure balance holes 22, 23 provided in the pistons 9, 1o. However, since the needle pulp 27 in the pilot valve 8 closes the communication hole 29, the space 13 is closed to the air bleed pipe 32.
It communicates with the pipe and has low pressure. Therefore, a pressure difference is created between the space 11 and the space 13 via the pistons 9, 10, and the pistons 9, 10 and the slide pulp 16 are pushed toward the right in FIG. 6 to maintain a predetermined heating operating state. Next, the operation of the four-way valve 3 when the heating operation is stopped, the defrosting operation is started, or the cooling operation is started will be explained.

上記3つの運転状態においてはソレノイドコイル3は通
電が停止されている。そのためニードルバルブ27.2
8は第6図左方向に移動するため、ニードルバルブ28
が連通孔29を閉じ、抽気管30は空間24と連通する
ようになる。従って暖房時に高圧圧力となっていた空間
11は抽気管31、空間24.抽気管3oを介して吸入
管17と連通し急激に低圧圧力となる。そのためピスト
ン9をへだてて空間12と空間11の間に圧力差が生じ
、この圧力差によってピストン9,10及びスライドパ
ルプ16が第6図の左方向に押しつけられる。従って吐
出管16は導管19と連通し、導管18は空間21を介
して吸入管17と連通ずる。
In the above three operating states, the solenoid coil 3 is de-energized. Therefore, the needle valve 27.2
8 moves to the left in Figure 6, so the needle valve 28
closes the communication hole 29, and the bleed pipe 30 comes to communicate with the space 24. Therefore, the space 11, which was under high pressure during heating, is replaced by the air bleed pipe 31, the space 24. It communicates with the suction pipe 17 via the bleed pipe 3o, and the pressure suddenly becomes low. Therefore, a pressure difference is created between the space 12 and the space 11 apart from the piston 9, and this pressure difference forces the pistons 9, 10 and the slide pulp 16 to the left in FIG. The discharge pipe 16 therefore communicates with the conduit 19 and the conduit 18 communicates with the suction pipe 17 via the space 21.

発明が解決しようとする問題点 しかしながら上記の構成ではスライドパルプ15の駆動
は冷媒ガスの高低圧力差を用いて行うパイロット方式と
なっているために非常に多くの部品−7+=、η尊)−
sh−携4告値;柳鮒で、釦立T数も多くなる問題点を
有していた。更に構造中に、抽気管30.31.32や
圧力バランス孔22,23゜パイロットパルプ8の連通
孔28,29等の微小開口部分が多いため、冷媒回路中
の異物等により閉塞され、切換作動不能となる恐れがあ
る等、信頼性の面でも不安定であるという問題点を有し
ていた。
Problems to be Solved by the Invention However, in the above configuration, the slide pulp 15 is driven by a pilot method using a difference in pressure between high and low refrigerant gases, so a large number of parts are involved.
sh-Ken 4 koku; Yanagi carp had the problem that the number of button standing T was also large. Furthermore, since there are many small openings in the structure, such as the air bleed pipes 30, 31, 32, pressure balance holes 22, 23°, and communication holes 28, 29 of the pilot pulp 8, they may become blocked by foreign objects in the refrigerant circuit, causing switching operation. It also had the problem of instability in terms of reliability, such as the possibility of failure.

一方、昨今のエアコン動向として四方弁切換時の高圧冷
媒と低圧冷媒の衝突による衝撃音をなくす目的で除霜前
後や冷房暖房切換時に圧縮機の運転を停止して高低圧力
差をなくした後に四方弁を切換える制御方式が主流化し
つつあることから切換時の高低圧力差が低減されスライ
ドパルプ16の切換力が従来に比べて大巾に低減される
傾向にあり、パイロット方式を用いなくても作動できる
方向に向かいつつある。
On the other hand, as a recent trend in air conditioners, in order to eliminate the impact noise caused by the collision between high-pressure refrigerant and low-pressure refrigerant when switching the four-way valve, compressor operation is stopped before and after defrosting or when switching between cooling and heating, and the four-way valve As control systems that switch valves are becoming mainstream, the pressure difference between high and low pressures during switching is reduced, and the switching force of the slide pulp 16 tends to be significantly reduced compared to conventional methods, making it possible to operate without using a pilot system. We are heading in the direction of what we can do.

本発明は上記問題点と昨今のエアコンにおける四方弁の
使われ方の動向に鑑み、/<イロットノ(ルプレス化を
図り、構造を簡素化し、組立作業性を向上させ、低コス
ト化を行うとともに切換作動の信頼性を向上させた冷凍
サイクル用四方弁を提供するものである。
In view of the above-mentioned problems and the recent trends in the use of four-way valves in air conditioners, the present invention has been developed to simplify the structure, improve assembly workability, reduce costs, and switch The present invention provides a four-way valve for a refrigeration cycle with improved reliability of operation.

問題点を解決するための手段 上記問題点を解決するため本発明の冷凍サイクル用四方
弁は、導入口を有するシリンダ内に、導出口及び第一、
第二の通口を有するバルブシートを固定し、前記バルブ
シートのシート面に当接シールし、前記シリンダ軸方向
に移動して前記導出口と第一もしくは第二通口を択一的
に連通させるスライドパルプと前記スライドパルプを保
持するホルダと、前記ホルダと結合されたアマチュアと
その駆動源となるソレノイド装置を備え、前記ホルダの
一端をアマチュアの反吸着端に設けた凹形切欠き部に固
定的に収納し、前記アマチュア凹形切欠部の内壁面は前
記バルブシートのシート面に対して垂直とし、かつ前記
アマチュアはアマチュアガイドに極めて良く嵌合されて
前記スライドパルプを正確に位置決めし駆動力を伝達す
るという構成を備えたものである。
Means for Solving the Problems In order to solve the above problems, the four-way valve for a refrigeration cycle of the present invention includes a cylinder having an inlet, an outlet and a first,
A valve seat having a second port is fixed and sealed in contact with the seat surface of the valve seat, and moved in the axial direction of the cylinder to selectively communicate the outlet port with the first or second port. a holder for holding the slide pulp; an armature coupled to the holder; and a solenoid device serving as a driving source for the armature; The armature is housed in a fixed manner, the inner wall surface of the armature concave notch is perpendicular to the seat surface of the valve seat, and the armature is very well fitted into the armature guide to accurately position and drive the slide pulp. It has a structure that transmits force.

作  用 本発明は上記した構成によって、ソレノイド装置の駆動
力を直接スライドバルブ1に伝達することができ、かつ
スライドバルブとバルブシートの導出口と第一、第二の
通口との正確な位置決めが行ナエ、パイロットバルブレ
ス化による大幅な低コスト化、簡素化、および切換作動
信頼性の向上が図れるものである。
Effect: With the above-described configuration, the present invention can directly transmit the driving force of the solenoid device to the slide valve 1, and can accurately position the slide valve, the outlet of the valve seat, and the first and second ports. However, by eliminating the need for a pilot valve, it is possible to significantly reduce costs, simplify the process, and improve the reliability of switching operation.

実施例 以下本発明の一実施例の冷凍サイクル用四方弁について
図面を参照しながら説明する。
EXAMPLE Hereinafter, a four-way valve for a refrigeration cycle according to an example of the present invention will be described with reference to the drawings.

第1図は本発明の一実施例における冷凍サイクル用四方
弁の要部構成斜視図、第2図第3図は本発明の一実施例
における冷凍サイクル用四方弁のダ34の凸部34&と
の結合部である凹形切欠き部33 aの内壁面がバルブ
シート35のシート面35aと垂直となる様に位置して
おり、前記ホルダ34の凸部34aが係合しピン3eに
より結合される。37はスライドバルブで、前記ホルダ
34によシ保持され、前記アマチュア33の作動により
前記バルブシート35のシート面35a上を摺動する構
造となっている。
FIG. 1 is a perspective view of the essential parts of a four-way valve for a refrigeration cycle according to an embodiment of the present invention, and FIG. 2 and FIG. The inner wall surface of the concave notch 33a, which is the connecting portion of Ru. A slide valve 37 is held by the holder 34 and is configured to slide on the seat surface 35a of the valve seat 35 when the armature 33 is operated.

次に上記構成を用いた冷凍サイクル用四方弁について第
2図〜第3図にて説明する。第2図〜第3図において3
8はシリンダで弁本体を形成し、導入口38aを有して
いる。36はバルブシートで導出口3sb及び第一通口
36C1第二通ロ35dを有し各々の接続パイプ39と
ともに前記シリンダ38に接合されシート面35aを形
成している。37はスライドバルブでその開口端部には
前記バルブシート36のシート面35aと当接シールす
るスライドシー)37aを具備しておシ、前記シート面
35a上を前記シリンダ38の軸方向に摺動し、前記バ
ルブシート36の導出口ssbと第一通口35cもしく
は第二通口35dとを択一的に連通させ冷媒流路を形成
している。
Next, a four-way valve for a refrigeration cycle using the above configuration will be explained with reference to FIGS. 2 and 3. 3 in Figures 2 and 3
A cylinder 8 forms a valve body and has an inlet 38a. Numeral 36 is a valve seat, which has an outlet port 3sb, a first port 36C, and a second port 35d, and is joined to the cylinder 38 together with each connecting pipe 39 to form a seat surface 35a. Reference numeral 37 denotes a slide valve, which has a slide valve 37a at its open end that contacts and seals the seat surface 35a of the valve seat 36, and slides on the seat surface 35a in the axial direction of the cylinder 38. However, the outlet ssb of the valve seat 36 is selectively communicated with the first passage 35c or the second passage 35d to form a refrigerant flow path.

4oは前記スライドバルブ37の駆動源となるソレノイ
ド装置で、固定鉄芯41.電磁コイル42、復帰バネ4
3.ヨーク44.アマチュアガイド46.アマチュア3
3により構成されており、前記アマチュア33は前記ア
マチュアガイド45と極めて良く嵌合されておりその端
部は凹形切欠き部3saの内壁面が、バルブシート36
のシート面35aと垂直にホルダ34の凸部34aにピ
ン36により結合され、前記電磁コイル42への通電制
御によシ前記ホルダ34に係合されたスライドパルプ3
7を摺動させ、所定の冷媒流路を形成する。
4o is a solenoid device that serves as a driving source for the slide valve 37, and a fixed iron core 41. Electromagnetic coil 42, return spring 4
3. York 44. Amateur guide 46. amateur 3
3, the armature 33 is fitted extremely well with the armature guide 45, and the inner wall surface of the concave notch 3sa at the end thereof is connected to the valve seat 36.
The slide pulp 3 is connected perpendicularly to the sheet surface 35a of the holder 34 by a pin 36 to the convex portion 34a of the holder 34, and is engaged with the holder 34 by controlling the energization of the electromagnetic coil 42.
7 to form a predetermined refrigerant flow path.

46はシリンダ38の一端を封止するとともに、前記ホ
ルダ34のストッパーとなる嵌合溶接された蓋である。
Reference numeral 46 denotes a welded lid that seals one end of the cylinder 38 and serves as a stopper for the holder 34 .

47はシリンダ38の他端を封止するとともに、前記ソ
レノイド装置40の取付部となる嵌合溶接された蓋であ
る。
Reference numeral 47 designates a lid that seals the other end of the cylinder 38 and is fitted and welded to serve as a mounting portion for the solenoid device 40 .

以上の様に構成された冷凍サイクル用四方弁について以
下第2図〜第6図を用いてその動作を説明する。
The operation of the four-way valve for the refrigeration cycle constructed as described above will be explained below with reference to FIGS. 2 to 6.

第2図、第3図は電磁コイル42に非通電時の状態を示
したもので、アマチュア33は復帰パネ43のバネ圧に
より図中左方に付勢され、ホルダ34と係合されたスラ
イドパルプ37はアマチュア33と結合されたホルダ3
4が蓋4bに当接した位置で止まる。
2 and 3 show the state when the electromagnetic coil 42 is not energized, and the armature 33 is biased to the left in the figure by the spring pressure of the return panel 43, and the armature 33 is pressed against the slider engaged with the holder 34. Pulp 37 is attached to holder 3 combined with armature 33
4 stops at the position where it comes into contact with the lid 4b.

この結果導入口38aと第二通口がシリンダ38内部を
通して連通される。又導出口5tsbは第一通口35c
とスライドパルプ37により連通される。
As a result, the introduction port 38a and the second communication port are communicated through the inside of the cylinder 38. Also, the outlet 5tsb is the first port 35c.
and is communicated by a slide pulp 37.

従ってシステム内の冷媒ガスの流れは、圧縮機外側熱交
換器(図示せず)→膨張機構(図示せず)→室内側熱交
換器(図示せず)→第一通口35a→導出ロ3sb→圧
縮機(図示せず)と循環され所定の冷房運転状態を維持
する。
Therefore, the flow of refrigerant gas in the system is as follows: compressor outer heat exchanger (not shown) → expansion mechanism (not shown) → indoor heat exchanger (not shown) → first port 35a → outlet port 3sb →It is circulated with a compressor (not shown) to maintain a predetermined cooling operating state.

次に電磁コイル42に通電された場合、すなわち暖房運
転状態を第4図、第5図に示す。
Next, FIGS. 4 and 5 show the case where the electromagnetic coil 42 is energized, that is, the heating operation state.

ホルダ34と係合されたスライドパルプ37は、アマチ
ュア33の固定鉄芯41への吸着により回通される。又
導出口ssbは第二通口3sdとスライドパルプ37に
より連通される。。
The slide pulp 37 engaged with the holder 34 is circulated by the armature 33 being attracted to the fixed iron core 41. Further, the outlet ssb is communicated with the second port 3sd through the slide pulp 37. .

従ってシステム内の冷媒ガスの流れは、圧縮機(図示せ
ず)→導入ロ38a→第−通口35c→室内側熱交換器
(図示せず)→膨張機構(図示せず)→室外側熱交換機
(図示せず)→第二通口35d→導出口3sb→圧縮機
(図示せず)、と循環され所定の暖房運転状態を維持す
る。
Therefore, the flow of refrigerant gas in the system is as follows: compressor (not shown) → introduction port 38a → first port 35c → indoor heat exchanger (not shown) → expansion mechanism (not shown) → outdoor heat The air is circulated from the exchanger (not shown) to the second port 35d to the outlet 3sb to the compressor (not shown) to maintain a predetermined heating operating state.

以上の様に本実施例によれば、導入口38&を有するシ
リンダ38内に、導出口35b及び第一通口36C1第
二通ロ35dを有するバルブシート36を固定し、前記
バルブシート36のシート面35aに当接シールし、前
記シリンダ38の軸方向に移動し前記導出口3sbと第
一通口36C2もしくは第二通口ssdを択一的に連通
させるスライドパルプ37と、前記スライドパルプ37
へ駆動力を伝えるホルダ34と、前記スライドパルプ3
7を駆動させるソレノイド装置40を設け、前記ソレノ
イド装置4oのアマチュア33はアマチュアガイドと極
めて良く嵌合され、その端部の凹形切欠き部33aは内
壁面が前記バルブシート36のシート面35aに対し垂
直に前記ホルダ34の凸部34aに結合される構成とし
たことにより、ソレノイド装置4oの駆動力を直接スラ
イドバルブ37に伝達することができ、かつスライドパ
ルプ37とバルブシート36の導出口35b及び第一通
口35c、第二通口s5dとの正確な位置決めが行なえ
パイロットバルブレス化による大幅な低コスト化、簡素
化、及び切換作動信頼性の向上が図れるものである。
As described above, according to this embodiment, the valve seat 36 having the outlet port 35b, the first port 36C1, and the second port 35d is fixed in the cylinder 38 having the inlet port 38&, and the seat of the valve seat 36 is fixed. a slide pulp 37 that abuts and seals against the surface 35a and moves in the axial direction of the cylinder 38 to selectively communicate the outlet port 3sb with the first port 36C2 or the second port ssd;
a holder 34 that transmits a driving force to the slide pulp 3;
A solenoid device 40 for driving the valve seat 36 is provided, and the armature 33 of the solenoid device 4o is fitted very well with the armature guide, and the inner wall surface of the concave notch 33a at the end thereof is aligned with the seat surface 35a of the valve seat 36. By connecting the solenoid device 4o vertically to the convex portion 34a of the holder 34, the driving force of the solenoid device 4o can be directly transmitted to the slide valve 37, and the slide pulp 37 and the outlet port 35b of the valve seat 36 can be directly transmitted. Accurate positioning with the first port 35c and the second port s5d can be performed, and by eliminating the need for a pilot valve, significant cost reduction, simplification, and improvement in reliability of switching operation can be achieved.

発明の効果 以上の様に本発明は、導入口を有するシリンダ内に、導
出口及び第一、第二通口を有するバルブシートを固定し
、前記バルブシートのシート面ニ当接シールし、前記導
出口と第一もしくは第二通口とを択一的に連通させるス
ライドパルプと、前記スライドパルプへ駆動力を伝える
ホルダと、前記スライドパルプを駆動させるソレノイド
装置を設け、前記ソレノイド装置のアマチュアはアマチ
ュアガイドと極めて良く嵌合されその端部の凹形切欠き
部の内壁面は前記バルブシートのシート面に対し垂直に
、前記ホルダに結合され駆動力を伝達するという構成に
したことにより、ソレノイド装置の駆動力を直接スライ
ドパルプに伝達することができ、かつスライドパルプと
バルブシートの導出口及び第一、第二通口との正確な位
置決めが行ナエ、パイロットバルブレス化による大幅な
低コスト化、簡素化、及び切換作動信頼性の向上が図れ
るものである。
Effects of the Invention As described above, the present invention fixes a valve seat having an outlet and first and second ports in a cylinder having an inlet, seals the seat surface of the valve seat, and A slide pulp that selectively communicates the outlet and the first or second communication port, a holder that transmits a driving force to the slide pulp, and a solenoid device that drives the slide pulp are provided, and an armature of the solenoid device is provided. By fitting the armature guide very well, the inner wall surface of the concave notch at the end thereof is perpendicular to the seat surface of the valve seat, and is connected to the holder to transmit driving force, so that the solenoid The driving force of the device can be directly transmitted to the slide pulp, and accurate positioning between the slide pulp and the outlet of the valve seat and the first and second ports is possible, and the cost is significantly reduced by eliminating the need for a pilot valve. , simplification, and improved reliability of switching operation.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明の一実施例における冷凍サイクル用四方
弁の要部分解斜視図、第2図は本発明の一実施例におけ
る冷凍サイクル用西方弁の非通電状態を示す断面図、第
3図は第2図のX−X線の断面図、第4図は第2図の通
電状態を示す断面図、第5図は第4図のx’−x’線の
断面図、第6図は従来の冷凍サイクル用四方弁を示す断
面図である。 38・・・・・・シリンダ、38a・・・・・・導入口
、36・・・−・・・バルブシート、35a・・・・・
・シート面、36b・・・・・・導出口、35c・・・
・・・第一通口、asd・・・・・・第二通口、37・
・・・・・スライドパルプ、37a・・・・・・スライ
ドシート、34・・・・・・ホルダ、33・・・・・・
アマチュア、33a・・・・・・凹形切欠き部、4o・
・・・・・ソレノイド装置。 代理人の氏名 弁理士 中 尾 敏 男 ほか1名33
−−−アマチュア 33山−凹形切欠さ部 34−一一ホルグ 35−  へ゛ルブシート &逝−シート面 35沈°−第二通口 田
FIG. 1 is an exploded perspective view of essential parts of a four-way valve for a refrigeration cycle in an embodiment of the present invention, FIG. 2 is a sectional view showing a non-energized state of a west valve for a refrigeration cycle in an embodiment of the invention, The figure is a cross-sectional view taken along line X-X in Figure 2, Figure 4 is a cross-sectional view showing the energized state in Figure 2, Figure 5 is a cross-sectional view taken along line x'-x' in Figure 4, and Figure 6. is a sectional view showing a conventional four-way valve for a refrigeration cycle. 38...Cylinder, 38a...Inlet, 36...-Valve seat, 35a...
・Seat surface, 36b... Outlet, 35c...
...First entrance, asd...Second entrance, 37.
...Slide pulp, 37a...Slide sheet, 34...Holder, 33...
Amateur, 33a... Concave notch, 4o.
...Solenoid device. Name of agent: Patent attorney Toshio Nakao and 1 other person33
--- Amateur 33 peaks - Concave notch 34 - 11 holes 35 - Helving seat & death - Seat surface 35 depression - Second opening field

Claims (1)

【特許請求の範囲】[Claims] 弁本体を形成し導入口を有するシリンダと、前記シリン
ダ内に固定され導出口とこの導出口の両側に第一、第二
の通口を前記シリンダの軸方向に並設したバルブシート
と、前記バルブシートのシート面に当接シールするスラ
イドシートをその開口端部に有し前記バルブシート上を
前記シリンダ軸方向に移動して前記導出口と第一もしく
は第二通口を択一的に連通させるスライドバルブと、前
記スライドバルブを保持するホルダと、前記ホルダの一
端を反吸着端に設けた凹形切欠部に固定的に収納したア
マチュアと、前記アマチュアを往復動させるソレノイド
装置とを備え、前記アマチュアの凹形切欠部の内壁面が
前記バルブシートのシート面に対し垂直であることを特
徴とする冷凍サイクル用四方弁。
a cylinder forming a valve body and having an inlet; a valve seat fixed in the cylinder and having an outlet and first and second ports arranged in parallel in the axial direction of the cylinder on both sides of the outlet; A slide seat is provided at the opening end of the slide seat to contact and seal against the seat surface of the valve seat, and is moved on the valve seat in the axial direction of the cylinder to selectively communicate the outlet port with the first or second communication port. a holder that holds the slide valve; an armature that is fixedly housed in a concave notch with one end of the holder disposed opposite to the suction end; and a solenoid device that reciprocates the armature. A four-way valve for a refrigeration cycle, wherein an inner wall surface of the concave notch of the armature is perpendicular to a seat surface of the valve seat.
JP61209928A 1986-09-05 1986-09-05 Four-way valve for refrigerating cycle Pending JPS6367472A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61209928A JPS6367472A (en) 1986-09-05 1986-09-05 Four-way valve for refrigerating cycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61209928A JPS6367472A (en) 1986-09-05 1986-09-05 Four-way valve for refrigerating cycle

Publications (1)

Publication Number Publication Date
JPS6367472A true JPS6367472A (en) 1988-03-26

Family

ID=16580978

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61209928A Pending JPS6367472A (en) 1986-09-05 1986-09-05 Four-way valve for refrigerating cycle

Country Status (1)

Country Link
JP (1) JPS6367472A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009109063A (en) * 2007-10-29 2009-05-21 Hitachi Appliances Inc Four-way selector valve and refrigeration cycle device using this
CN102086943A (en) * 2009-12-03 2011-06-08 株式会社鹭宫制作所 Conversion valve
JP2016114133A (en) * 2014-12-12 2016-06-23 株式会社不二工機 Flow path selector valve
JP2019044976A (en) * 2018-12-26 2019-03-22 株式会社不二工機 Flow passage switching valve

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009109063A (en) * 2007-10-29 2009-05-21 Hitachi Appliances Inc Four-way selector valve and refrigeration cycle device using this
CN102086943A (en) * 2009-12-03 2011-06-08 株式会社鹭宫制作所 Conversion valve
JP2016114133A (en) * 2014-12-12 2016-06-23 株式会社不二工機 Flow path selector valve
JP2019044976A (en) * 2018-12-26 2019-03-22 株式会社不二工機 Flow passage switching valve

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