JPH07189957A - Closed compressor - Google Patents
Closed compressorInfo
- Publication number
- JPH07189957A JPH07189957A JP33780893A JP33780893A JPH07189957A JP H07189957 A JPH07189957 A JP H07189957A JP 33780893 A JP33780893 A JP 33780893A JP 33780893 A JP33780893 A JP 33780893A JP H07189957 A JPH07189957 A JP H07189957A
- Authority
- JP
- Japan
- Prior art keywords
- lead wire
- electric motor
- compression
- hook
- outer peripheral
- 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
- Applications Or Details Of Rotary Compressors (AREA)
- Rotary Pumps (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、冷凍空調用等の冷媒圧
縮機あるいは空気圧縮機として用いられる密閉型の電動
圧縮機に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hermetic electric compressor used as a refrigerant compressor or an air compressor for refrigeration and air conditioning.
【０００２】[0002]
【従来の技術】従来、この種の圧縮機は、図５に示すよ
うに、密閉容器１０１の内部に、電動機１０２とこの電
動機により駆動の主軸１０３を支承する軸受１０４と、
この主軸を介して圧縮工程を行う圧縮機構１０５を形成
する圧縮ケース１０６が前記電動機１０２の上部に配設
されており、前記電動機１０２の固定子１１６より延在
のリード線１０７は、前記軸受１０４及び圧縮ケース１
０６に貫通された切り欠き通路１１０を通り、容器上部
に配設された密閉端子１０８に接続されている。また密
閉容器１０１の下部が潤滑油溜りとなっている。2. Description of the Related Art Conventionally, as shown in FIG. 5, in a compressor of this type, an electric motor 102 and a bearing 104 for supporting a main shaft 103 driven by the electric motor are provided inside an airtight container 101.
A compression case 106, which forms a compression mechanism 105 for performing a compression process via the main shaft, is arranged above the electric motor 102, and a lead wire 107 extending from a stator 116 of the electric motor 102 has a bearing 104. And compression case 1
It passes through a notch passage 110 penetrating through 06 and is connected to a hermetically sealed terminal 108 arranged at the upper part of the container. The lower part of the closed container 101 serves as a lubricating oil reservoir.
【０００３】圧縮機の吸入管１０９から吸入した冷媒気
体は、圧縮機構１０５の吸入口１１１から入り、圧縮さ
れ、吐出口１１２から前記切り欠き通路１１０を経て、
電動機１０２の側面隙間等を通り吐出管１１３より圧縮
機の外に吐出される。Refrigerant gas sucked from the suction pipe 109 of the compressor enters through the suction port 111 of the compression mechanism 105, is compressed, and passes through the cutout passage 110 from the discharge port 112.
It is discharged to the outside of the compressor from the discharge pipe 113 through the side surface gap of the electric motor 102.
【０００４】図６は、前記切り欠き通路１１０の詳細形
状であり、リード線１０７は、前記軸受１０４及び圧縮
ケース１０６の切り欠きと容器１０１の側面で形成され
た通路を通り上部に引き出されている。FIG. 6 shows the detailed shape of the cutout passage 110. The lead wire 107 is drawn out to the upper part through the passage formed by the cutouts of the bearing 104 and the compression case 106 and the side surface of the container 101. There is.
【０００５】[0005]
【発明が解決しようとする課題】上に述べた従来例の圧
縮機は、電動機リード線１０７を軸受１０４及び圧縮ケ
ース１０６の外周部に設けた切り欠きを通す際、切り欠
きと容器１０１側壁で形成された通路１１０を通る為、
容器１０１にリード線が接触していると、容器１０１に
圧縮ケース１０６を固定する際の溶接時の熱及び容器１
０１の蓋部１１４を溶接する時の熱によりリード線１０
７の溶断、被膜の劣化等が発生する。In the compressor of the conventional example described above, when the motor lead wire 107 is passed through the notch provided in the outer peripheral portion of the bearing 104 and the compression case 106, the notch and the side wall of the container 101 are separated from each other. Because it passes through the formed passage 110,
When the lead wire is in contact with the container 101, heat during welding when fixing the compression case 106 to the container 101 and the container 1
The lead wire 10 is heated by the heat when welding the lid 114 of No. 01.
Melting of No. 7 and deterioration of the coating film occur.
【０００６】本発明は上記の課題に鑑み、密閉型圧縮機
のリード線の上部への引出し時の、固定及び保護を図る
ことを目的とするものである。In view of the above problems, it is an object of the present invention to fix and protect the lead wire of a hermetic compressor when the lead wire is pulled out to the upper part.
【０００７】[0007]
【課題を解決するための手段】上記課題を解決するため
の第１の手段として、密閉容器の内部に、電動機とこの
電動機により駆動され圧縮工程を行う圧縮機構部を配設
し、前記密閉容器空間を前記圧縮機構部を形成する圧縮
ケースにより区分し、一方に電動機を配し、他方空間の
密閉容器に密閉端子を配し、前記圧縮ケースの外周部に
前記電動機のリード線が通過可能な幅のフック形状の切
り欠きを設けることである。課題を解決するための第２
の手段は、密閉容器の内部に、電動機とこの電動機によ
り駆動され圧縮工程を行う圧縮機構部を配設し、前記密
閉容器空間を前記圧縮機構部を形成する圧縮ケースによ
り区分し、一方に電動機を配し、他方空間の密閉容器に
密閉端子を配し、前記圧縮ケースの外周部の軸線方向に
延在するリード線挿通用の切り欠き通路を設け、前記圧
縮ケースに設置のマフラーの外周部にフック形状部を設
け、前記リード線挿通用の切り欠き通路の一部を前記マ
フラーのフック形状部により外周部を幅狭にすることで
ある。As a first means for solving the above problems, an electric motor and a compression mechanism portion driven by the electric motor to perform a compression step are disposed inside the closed container, and the closed container is provided. The space is divided by a compression case that forms the compression mechanism, the electric motor is arranged on one side, and a closed terminal is arranged on a closed container in the other space, and the lead wire of the electric motor can pass through the outer peripheral portion of the compression case. It is to provide a hook-shaped notch with a width. Second to solve the problem
The means of arranging an electric motor and a compression mechanism part driven by the electric motor to perform a compression process inside the closed container, and dividing the closed container space by a compression case forming the compression mechanism part, and the electric motor on one side. And a sealed terminal in a sealed container in the other space, and a cutout passage for inserting a lead wire extending in the axial direction of the outer peripheral portion of the compression case is provided, and the outer peripheral portion of the muffler installed in the compression case. Is provided with a hook-shaped portion, and the outer peripheral portion of the cutout passage for inserting the lead wire is narrowed by the hook-shaped portion of the muffler.
【０００８】[0008]
【作用】上に述べた本発明の第１の手段の作用は、軸受
と圧縮ケースの外周部の軸線方向に、リード線通過可能
な幅で切り欠きを設け、この切り欠きをフック形状にす
ることにより、電動機のリード線を切り欠きに挿通さ
せ、上部に引き出す際に、切り欠きがフック形状の為、
リード線の固定が可能であり、また軸受の容器への固定
溶接及び容器蓋部の溶接時の熱影響の低減、圧縮機運転
時の振動によるリード線被膜の劣化等を低減できる。本
発明の第２の手段の作用は、軸受と圧縮ケースの外周部
の切り欠き形状を複雑にすることなく、圧縮ケースに設
置されたマフラーの外周部にフック形状を設け、リード
線挿通用の切り欠き通路の外周部を幅狭にすることによ
りリード線の固定及び熱影響や振動から保護することが
可能である。The operation of the above-described first means of the present invention is that a notch is formed in the axial direction of the outer peripheral portion of the bearing and the compression case with a width that allows passage of the lead wire, and the notch is formed into a hook shape. As a result, when inserting the lead wire of the motor into the notch and pulling it out to the top, the notch has a hook shape,
It is possible to fix the lead wire, and it is possible to reduce the heat effect when the bearing is fixedly welded to the container and the container lid is welded, and deterioration of the lead wire coating due to vibration during operation of the compressor can be reduced. The operation of the second means of the present invention is to provide a hook shape on the outer peripheral portion of the muffler installed in the compression case without complicating the cutout shapes of the outer peripheral portion of the bearing and the compression case, and to insert the lead wire. By narrowing the outer peripheral portion of the cutout passage, it is possible to fix the lead wire and protect it from heat influence and vibration.
【０００９】[0009]
【実施例】以下、本発明の実施例を図面を参照しながら
説明する。まず、図により、本発明の第１の実施例につ
いて説明する。図１において、密閉容器１０１の内部
に、電動機１０２とこの電動機により駆動の主軸１０３
を支承する軸受１０４と、この主軸を介して圧縮工程を
行う圧縮機構１０５を形成する圧縮ケース１０６が前記
電動機１０２の上部に配設されており、前記電動機１０
２の固定子１１６より延在のリード線１０７は、前記軸
受１０４と圧縮ケース１０６の外周部の軸線方向に貫通
したフック形状の切り欠き１１０を挿通して密閉容器１
０１の上部に配設された密閉端子１０８に接続されてい
る。また密閉容器１０１の下部が潤滑油溜りとなってい
る。Embodiments of the present invention will be described below with reference to the drawings. First, a first embodiment of the present invention will be described with reference to the drawings. In FIG. 1, an electric motor 102 and a main shaft 103 driven by the electric motor are provided inside a closed container 101.
A bearing 104 that supports the motor and a compression case 106 that forms a compression mechanism 105 that performs a compression process via the main shaft are disposed above the electric motor 102.
The lead wire 107 extending from the second stator 116 is inserted through a hook-shaped notch 110 penetrating the bearing 104 and the outer peripheral portion of the compression case 106 in the axial direction, and the hermetic container 1
01 is connected to the hermetically sealed terminal 108 disposed on the upper part. The lower part of the closed container 101 serves as a lubricating oil reservoir.
【００１０】圧縮機の吸入管１０９から吸入した冷媒気
体は、圧縮機構１０５の吸入口１１１から入り、圧縮さ
れ、吐出口１１２から前記切り欠き通路１１０を経て電
動機１０２の側面隙間を通り吐出管１１３より圧縮機の
外に吐出される。The refrigerant gas sucked from the suction pipe 109 of the compressor enters through the suction port 111 of the compression mechanism 105, is compressed, passes through the cutout passage 110 from the discharge port 112, passes through the side gap of the electric motor 102, and is discharged from the discharge pipe 113. More discharged to the outside of the compressor.
【００１１】図２においてリード線挿通用切り欠きの詳
細形状を説明する。同図において軸受１０４と圧縮ケー
ス１０６の外周部の軸線方向に、リード線１０７通過可
能な幅で切り欠きを設け、この切り欠きにフック形状部
２０１を配することにより、リード線１０７の固定を行
っている。ここで密閉型圧縮機の組立手順を図３により
説明する。まず、電動機固定子１１６を焼きばめした円
筒シェル１１５に、組立後の圧縮機構部を挿入し、溶接
にて固定する。挿入の際、圧縮機構部の外周部に設けた
フック部２０１にリード線１０７を懸けながら上部に引
き出す。次に、上部に引き出したリード線を密閉端子１
０８に接続して、上蓋１１４をかぶせ円周溶接にて組立
てる。上記の組立方法では、リード線１０７は、円筒シ
ェル１１５より確実に離れている為、溶接時の熱によっ
て溶断、劣化することがない。The detailed shape of the notch for inserting the lead wire will be described with reference to FIG. In the drawing, a cutout is provided in the axial direction of the outer peripheral portion of the bearing 104 and the compression case 106 with a width that allows the lead wire 107 to pass through, and the hook-shaped portion 201 is arranged in this cutout to fix the lead wire 107. Is going. Here, the procedure for assembling the hermetic compressor will be described with reference to FIG. First, the assembled compression mechanism portion is inserted into the cylindrical shell 115 in which the electric motor stator 116 is shrink-fitted, and fixed by welding. At the time of insertion, the lead wire 107 is hung on the hook portion 201 provided on the outer peripheral portion of the compression mechanism portion and pulled out upward. Next, connect the lead wire drawn out to the top with the sealed terminal 1.
08, the upper lid 114 is covered and assembled by circumferential welding. In the above assembling method, since the lead wire 107 is reliably separated from the cylindrical shell 115, it is not fused or deteriorated by heat during welding.
【００１２】次に、図４により、本発明の第２の実施例
について説明する。ここで、先の実施例と同一のものに
ついては、同一の符号を付して説明を省略する。Next, a second embodiment of the present invention will be described with reference to FIG. Here, the same components as those in the previous embodiment are designated by the same reference numerals and the description thereof will be omitted.
【００１３】図４（ａ），（ｂ）において、軸受１０４
と圧縮ケース１０６の外周部の軸線方向に切り欠き１１
０を設け、組立ての際、この切り欠き１１０にリード線
１０７を通し、その後、圧縮ケース１０６にマフラー２
０２を固定の際このマフラーの外周部に設けたフック部
２０３にリード線１０７を引っかけることにより固定及
び容器１０１との接触を図っている。また、これらはリ
ード線を固定する為の特別な部品は必要とせず安価な圧
縮機の実現が可能である。Referring to FIGS. 4A and 4B, the bearing 104
And the notch 11 in the axial direction of the outer peripheral portion of the compression case 106.
0, the lead wire 107 is passed through the notch 110 at the time of assembly, and then the muffler 2 is attached to the compression case 106.
When 02 is fixed, the lead wire 107 is hooked on the hook portion 203 provided on the outer peripheral portion of the muffler so as to fix and contact the container 101. Also, these do not require special parts for fixing the lead wires, and an inexpensive compressor can be realized.
【００１４】[0014]
【発明の効果】上記実施例より明らかなように本発明の
請求項１に係わる効果は、軸受と圧縮ケースの外周部の
軸線方向に、リード線通過可能な幅で切り欠きを設け、
この切り欠きにフック形状部を配することにより、リー
ド線の固定を行っており、リード線は、円筒シェルより
確実に離れている為、溶接時の熱によって溶断、劣化す
ることがなく、圧縮機運転時の振動によるリード線被覆
の劣化等を低減できる。本発明の請求項２に係わる効果
は、軸受と圧縮ケースの外周部の切り欠き形状を複雑に
することなく、圧縮ケースに設置されたマフラーの外周
部にフック形状を設け、リード線挿通用の切り欠き通路
の外周部を幅狭にすることによりリード線の固定、保護
が可能であり、また既存部品にて固定の為、特別な部品
を必要とせず安価な圧縮機が実現できる。As is apparent from the above-mentioned embodiment, the effect of claim 1 of the present invention is that the notch is provided in the axial direction of the outer peripheral portion of the bearing and the compression case so that the lead wire can pass therethrough.
The lead wire is fixed by arranging the hook-shaped part in this notch.Because the lead wire is reliably separated from the cylindrical shell, it does not melt or deteriorate due to heat during welding, and it is compressed. It is possible to reduce deterioration of the lead wire coating due to vibration during operation of the machine. The effect of claim 2 of the present invention is to provide a hook shape on the outer peripheral portion of the muffler installed in the compression case without complicating the notch shape of the outer peripheral portion of the bearing and the compression case, and to insert the lead wire. By narrowing the outer peripheral portion of the cutout passage, the lead wire can be fixed and protected, and since it is fixed by existing parts, an inexpensive compressor can be realized without requiring special parts.
【図１】本発明の第１の実施例を示す密閉型圧縮機の断
面図FIG. 1 is a sectional view of a hermetic compressor showing a first embodiment of the present invention.
【図２】同密閉型圧縮機の部分詳細図[Fig. 2] Partial detailed view of the hermetic compressor.
【図３】同密閉型圧縮機の組立手順を示す図FIG. 3 is a diagram showing an assembling procedure of the hermetic compressor.
【図４】（ａ）は本発明の第２の実施例を示す密閉型圧
縮機の部分断面図 （ｂ）は同密閉型圧縮機の部分詳細図FIG. 4A is a partial cross-sectional view of a hermetic compressor showing a second embodiment of the present invention, and FIG. 4B is a partial detailed view of the hermetic compressor.
【図５】従来の密閉型圧縮機の断面図FIG. 5 is a sectional view of a conventional hermetic compressor.
【図６】同密閉型圧縮機の部分詳細図FIG. 6 is a partial detailed view of the hermetic compressor.
１０１ 密閉容器 １０２ 電動機 １０３ 主軸 １０４ 軸受 １０５ 圧縮機構 １０６ 圧縮ケース １０７ リード線 １０８ 密閉端子 １０９ 吸入管 １１０ 切り欠き通路 １１１ 吸入口 １１２ 吐出口 １１３ 吐出管 １１４ 上蓋 １１５ 円筒シェル １１６ 固定子 ２０１ 切り欠きフック部 ２０２ マフラー ２０３ マフラーフック部 101 airtight container 102 electric motor 103 main shaft 104 bearing 105 compression mechanism 106 compression case 107 lead wire 108 sealing terminal 109 suction pipe 110 notch passage 111 suction port 112 discharge port 113 discharge pipe 114 upper lid 115 cylindrical shell 116 stator 201 notch hook part 202 Muffler 203 Muffler hook
フロントページの続き (72)発明者 竹内 義治 大阪府門真市大字門真1006番地 松下電器 産業株式会社内 (72)発明者 阪井 学 大阪府門真市大字門真1006番地 松下電器 産業株式会社内(72) Inventor Yoshiharu Takeuchi 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (72) Manabu Sakai, 1006 Kadoma, Kadoma City, Osaka Matsushita Electric Industrial Co., Ltd.
Claims (2)
により駆動され圧縮工程を行う圧縮機構部を配設し、前
記密閉容器空間を前記圧縮機構部を形成する圧縮ケース
により区分し、一方に電動機を配し、他方空間の密閉容
器に密閉端子を配し、前記圧縮ケースの外周部に前記電
動機のリード線が通過可能な幅のフック形状の切り欠き
を設けた密閉型圧縮機。1. A hermetic container is provided with an electric motor and a compression mechanism portion driven by the electric motor to perform a compression step, and the hermetic container space is divided by a compression case forming the compression mechanism portion, and one of them is provided. A hermetic compressor in which an electric motor is disposed, a hermetically sealed terminal is disposed in a hermetically sealed container in the other space, and a hook-shaped notch having a width through which a lead wire of the electric motor can pass is provided on an outer peripheral portion of the compression case.
により駆動され圧縮工程を行う圧縮機構部を配設し、前
記密閉容器空間を前記圧縮機構部を形成する圧縮ケース
により区分し、一方に電動機を配し、他方空間の密閉容
器に密閉端子を配し、前記圧縮ケースの外周部の軸線方
向に延在するリード線挿通用の切り欠き通路を設け、前
記圧縮ケースに設置のマフラーの外周部にフック形状部
を設け、前記リード線挿通用の切り欠き通路の一部を前
記マフラーのフック形状部により外周部を幅狭にした密
閉型圧縮機。2. An electric motor and a compression mechanism section that is driven by this electric motor to perform a compression process are provided inside the hermetic container, and the hermetic container space is divided by a compression case that forms the compression mechanism section. An electric motor is arranged, a closed terminal is arranged in a closed container in the other space, a cutout passage for inserting a lead wire extending in the axial direction of the outer peripheral portion of the compression case is provided, and an outer periphery of a muffler installed in the compression case. A hermetic compressor in which a hook-shaped portion is provided in a portion, and a peripheral portion of the cutout passage for inserting the lead wire is narrowed by the hook-shaped portion of the muffler.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33780893A JPH07189957A (en) | 1993-12-28 | 1993-12-28 | Closed compressor |
| US08/364,884 US5591018A (en) | 1993-12-28 | 1994-12-27 | Hermetic scroll compressor having a pumped fluid motor cooling means and an oil collection pan |
| MYPI94003531A MY130327A (en) | 1993-12-28 | 1994-12-28 | Sealed electric compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33780893A JPH07189957A (en) | 1993-12-28 | 1993-12-28 | Closed compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07189957A true JPH07189957A (en) | 1995-07-28 |
Family
ID=18312168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33780893A Pending JPH07189957A (en) | 1993-12-28 | 1993-12-28 | Closed compressor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07189957A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011241780A (en) * | 2010-05-20 | 2011-12-01 | Mitsubishi Heavy Ind Ltd | Electric compressor and assembling method thereof |
| WO2015136977A1 (en) * | 2014-03-14 | 2015-09-17 | 三菱電機株式会社 | Compressor and refrigeration cycle device |
| WO2019150420A1 (en) * | 2018-01-30 | 2019-08-08 | 日立ジョンソンコントロールズ空調株式会社 | Scroll compressor and rotary compressor |
-
1993
- 1993-12-28 JP JP33780893A patent/JPH07189957A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011241780A (en) * | 2010-05-20 | 2011-12-01 | Mitsubishi Heavy Ind Ltd | Electric compressor and assembling method thereof |
| WO2015136977A1 (en) * | 2014-03-14 | 2015-09-17 | 三菱電機株式会社 | Compressor and refrigeration cycle device |
| JPWO2015136977A1 (en) * | 2014-03-14 | 2017-04-06 | 三菱電機株式会社 | Compressor and refrigeration cycle apparatus |
| WO2019150420A1 (en) * | 2018-01-30 | 2019-08-08 | 日立ジョンソンコントロールズ空調株式会社 | Scroll compressor and rotary compressor |
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