JPH04134196A - Hermetic compressor - Google Patents

Hermetic compressor

Info

Publication number
JPH04134196A
JPH04134196A JP25979690A JP25979690A JPH04134196A JP H04134196 A JPH04134196 A JP H04134196A JP 25979690 A JP25979690 A JP 25979690A JP 25979690 A JP25979690 A JP 25979690A JP H04134196 A JPH04134196 A JP H04134196A
Authority
JP
Japan
Prior art keywords
muffler
separation chamber
discharge
gas refrigerant
oil
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
JP25979690A
Other languages
Japanese (ja)
Inventor
Tadao Yamazaki
山崎 唯夫
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.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
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 Daikin Industries Ltd filed Critical Daikin Industries Ltd
Priority to JP25979690A priority Critical patent/JPH04134196A/en
Publication of JPH04134196A publication Critical patent/JPH04134196A/en
Pending legal-status Critical Current

Links

Landscapes

  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

PURPOSE:To effectively separate lubricating oil mixed in the discharge gas refrigerant, which is discharged from a compressing element, before discharge of the gas refrigerant into a casing, and prevent lowering of the oil surface of an oil reservoir by providing a muffler, a separating chamber cover and net-shape material or the like. CONSTITUTION:In a closed type compressor, a motor 2 is built in one side of a closed casing, and a cylinder 31 and a compressing element 3 comprising a front head 32 and a rear head 33 arranged on and under the cylinder 31 are built in the other side. With this structure, a muffler 5 for covering a discharge hole 35 and forming a discharge chamber 52 is fitted to the front head 32. A separating chamber cover 6 for forming an oil separating chamber 61 is provided outside of the muffler 5. Furthermore, a flow-out port 52 for turning the discharge gas to flow out from the discharge chamber 51 to the separating chamber 61 is provided in the muffler 5. On the other hand, a net-shape material 7 is built inside of the periphery of the separating chamber cover 6, and an opening 62 for flowing the refrigerant gas is provided in the center side of the periphery of the separating chamber cover 6, and while a separated oil discharge part 63 is provided in the periphery.

Description

【発明の詳細な説明】 (産業上の利用分野) この発明は、冷凍機に用いる密閉形圧縮機、詳しくは密
閉ケーシングの一側に、モータを内装し、他側にシリン
ダと、該シリンダの上下に配設するフロントヘッド及び
リヤヘッドとを備える圧縮要素を内装した密閉形圧縮機
に関する。
Detailed Description of the Invention (Industrial Field of Application) The present invention relates to a hermetic compressor used in a refrigerator, specifically, a hermetic casing in which a motor is installed on one side, a cylinder is installed on the other side, and a The present invention relates to a hermetic compressor incorporating a compression element having a front head and a rear head disposed above and below.

(従来の技術) 従来この種圧縮機は、例えば、実開昭61−33996
号公報に記載され、かつ第6図に示すごとく、密閉ケー
シング(A)の上部にモータ(B)を内装すると共に、
該モータ(B)の下方位置に、シリンダ(C1)と、該
シリンダ(C1)の上下位置に配置したフロントヘッド
(C2)及びリヤヘッド(C3)とから成る圧縮要素(
C)を内装する一方、前記モータ(B)と前記圧縮要素
(C)とをクランク軸(D)を介して連結し、該クラン
ク軸(D)の偏心軸部(D1)で前記シリンダ(C1)
に内装するローラ(C4)を回転させることにより、前
記シリンダ(C1)内に吸入されたガス冷媒を圧縮する
ようにし、前記フロントヘッド(C2)には、前記シリ
ンダ(C1)内に連通ずる吐出孔(C5)を開設すると
共に、このフロントヘッド(C2)に前記吐出孔(C5
)の上部を覆うマフラー(E)を被冠する一方、該マフ
ラー(E)の中心側に流出口(E1)を形成して、前記
シリンダ(C1)内で圧縮されたガス冷媒を前記フロン
トヘッド(C2)の吐出孔(C5)から前記マフラー(
E)内に吐出させ、該マフラー(E)の流出口(E1)
から前記ケーシング(A)の内部を経て、該ケーシング
(A)の上部に接続した吐出管(A1)を介して外部に
吐出させるようにしている。
(Prior art) Conventionally, this type of compressor is
As described in the publication and shown in Figure 6, a motor (B) is installed in the upper part of a sealed casing (A), and
A compression element (composed of a cylinder (C1) located below the motor (B), and a front head (C2) and a rear head (C3) located above and below the cylinder (C1).
The motor (B) and the compression element (C) are connected via a crankshaft (D), and the eccentric shaft (D1) of the crankshaft (D) is connected to the cylinder (C1). )
The gas refrigerant sucked into the cylinder (C1) is compressed by rotating a roller (C4) installed inside the cylinder, and the front head (C2) is provided with a discharge gas that communicates with the cylinder (C1). A hole (C5) is opened, and the discharge hole (C5) is opened in this front head (C2).
), and an outlet (E1) is formed in the center of the muffler (E) to direct the gas refrigerant compressed in the cylinder (C1) to the front head. (C2) from the discharge hole (C5) to the muffler (
E) and the outlet (E1) of the muffler (E).
From there, it passes through the inside of the casing (A) and is discharged to the outside via a discharge pipe (A1) connected to the upper part of the casing (A).

そして、前記マフラー(E)内には、通気性をもつ網目
状物質(F)を充填すると共に、前記マフラー(E)内
に溜る潤滑油を排出する排出口(E2)を前記マフラー
(E)に形成して、前記マフラー(E)内の前記網目状
物質(F)に前記吐出孔(C5)から吐出するガス冷媒
を接触させて、該ガス冷媒中に混入する潤滑油を前記網
目状物質(F)に付着させて分離し、該潤滑油を前記マ
フラー(E)外部へ排出するようにしているのである。
The muffler (E) is filled with a mesh substance (F) having breathability, and a discharge port (E2) for discharging lubricating oil accumulated in the muffler (E) is provided in the muffler (E). The mesh material (F) in the muffler (E) is brought into contact with the gas refrigerant discharged from the discharge hole (C5), and the lubricating oil mixed into the gas refrigerant is mixed into the mesh material. The lubricating oil is attached to the muffler (F) and separated, and the lubricating oil is discharged to the outside of the muffler (E).

(発明が解決しようとする課題) しかしながら、前記従来の密閉形圧縮機では、前記吐出
孔(C5)から吐出するガス冷媒は流速が速<、シかも
、このガス冷媒の多くは前記吐出孔(C5)から前記流
出口(E1)への最短経路を経て前記ケーシング(A)
内に吐出されるために、一部の潤滑油は網目状物質(F
)により分離されるが、多くの潤滑油は、分離されるこ
となく前記マフラー(E)の流出口(E1)から前記ケ
ーシング(A)内に吐出されてしまうのである。この結
果、前記マフラー(E)内に前記網目状物質(F)を充
填しても、吐出ガス冷媒中に混入する潤滑油を有効に分
離することができず、この潤滑油混じりのガス冷媒が前
記ケーシング(A)から前記吐出管(A1)を経て外部
に吐出され、ケーシング底部の油溜の油面が低下して、
冷凍機の性能を低下させる問題があったのである。
(Problem to be Solved by the Invention) However, in the conventional hermetic compressor, the gas refrigerant discharged from the discharge hole (C5) may have a flow velocity of C5) to the casing (A) via the shortest path to the outlet (E1).
Some lubricating oil forms a network substance (F
), but much of the lubricating oil is discharged into the casing (A) from the outlet (E1) of the muffler (E) without being separated. As a result, even if the muffler (E) is filled with the mesh material (F), the lubricating oil mixed in the discharged gas refrigerant cannot be effectively separated, and the gas refrigerant mixed with this lubricating oil is The oil is discharged from the casing (A) to the outside through the discharge pipe (A1), and the oil level in the oil reservoir at the bottom of the casing decreases.
There was a problem in that the performance of the refrigerator deteriorated.

本発明は、以上のような問題に鑑みてなしたもので、そ
の目的は、圧縮要素から吐出される吐出ガス冷媒に混入
する潤滑油を、ガス冷媒のケーシング内への吐出前に有
効に分離でき、前記油溜の油面低下を防止できる密閉形
圧縮機を提供することにある。
The present invention was made in view of the above-mentioned problems, and its purpose is to effectively separate lubricating oil mixed into the gas refrigerant discharged from the compression element before the gas refrigerant is discharged into the casing. It is an object of the present invention to provide a hermetic compressor capable of preventing a drop in the oil level of the oil reservoir.

(課題を解決するための手段) 本発明は、前記目的を達成するために、密閉ケーシング
(1)の一側に、モータ(2)を内装し、他側にシリン
ダ(31)と、該シリンダ(31)の上下に配設するフ
ロントヘッド(32)及びリヤヘッド(33)とを備え
る圧縮要素(3)を内装した密閉形圧縮機において、前
記フロントヘッド(32)に、吐出孔(35)を覆い、
吐出チャンバー(51)を形成するマフラー(5)を取
付けると共に、該マフラー(5)の外方に、油分離室(
61)を形成する分離室カバー(6)を設けて、前記マ
フラー(5)に前記吐出チャンバー(51)から分離室
(61)へ吐出ガスを旋回状に流出させる少なくとも1
つの流出口(52)を形成する一方、前記分離室カバー
(6)の外周部内側に、網目状物質(7)を内装し、か
つ、該分離室カバー(6)の中心側に冷媒ガスを流出さ
せる開口部(62)を設け、外周部に分離した油の放出
部(63)を設けたのである。
(Means for Solving the Problems) In order to achieve the above object, the present invention has a motor (2) built into one side of a sealed casing (1), a cylinder (31) on the other side, and a cylinder (31) mounted on the other side. In a hermetic compressor equipped with a compression element (3) having a front head (32) and a rear head (33) arranged above and below a front head (31), a discharge hole (35) is provided in the front head (32). cover,
A muffler (5) forming a discharge chamber (51) is installed, and an oil separation chamber (51) is installed outside the muffler (5).
A separation chamber cover (6) forming a separation chamber (61) is provided to allow the muffler (5) to flow the discharge gas from the discharge chamber (51) into the separation chamber (61) in a spiral manner.
On the other hand, a mesh material (7) is installed inside the outer periphery of the separation chamber cover (6), and a refrigerant gas is introduced into the center of the separation chamber cover (6). An opening (62) for the oil to flow out is provided, and a separate oil release part (63) is provided on the outer periphery.

また、吐出チャンバー(51)を形成するマフラー(5
)に、油分離室(61)を形成する分離室カバー(6)
を積層状に配設して、前記マフラ−(5)の頂面(53
)に、吐出ガスを前記油分離室(61)内へ旋回状に流
出させる複数の流出口(52)・・・・を設けると共に
、前記分離室カバー(61)の外周部内側に網目状物質
(7)を内装し、かつ、該分離室カバー(6)の中心側
に吐出ガス冷媒を流出させる開口部(62)を設けるの
が好ましい。
Also, a muffler (5) forming a discharge chamber (51) is provided.
), a separation chamber cover (6) forming an oil separation chamber (61)
are arranged in a layered manner to form a top surface (53) of the muffler (5).
) is provided with a plurality of outlet ports (52) for allowing the discharged gas to flow out into the oil separation chamber (61) in a spiral manner, and a mesh material is provided inside the outer periphery of the separation chamber cover (61). (7) is provided internally, and an opening (62) is preferably provided at the center of the separation chamber cover (6) through which the discharged gas refrigerant flows out.

(作用) しかして、前記フロントヘッド(32)の吐出孔(35
)から前記マフラー(5)で形成される吐出チャンバー
(51)内に吐出したガス冷媒は前記マフラー(5)に
形成する前記流出口(52)から、前記油分離室(61
)内に旋回状に流出されるのであり、この流出した吐出
ガス冷媒が該油分離室(61)内を旋回することにより
、前記吐出ガス冷媒中に混入する潤滑油が遠心力で前記
分離室カバー(8)の外周部内側に内装した網目状物質
(7)に積極的に衝突し、この衝突により前記潤滑油を
前記網目状物質(7)に付着させて、該潤滑油が確実に
分離されるのであって、潤滑油が分離された吐出ガス冷
媒が、前記分離室カバー(6)の中心側に設けた開口部
(62)から前記ケーシング(1)内へ吐出されるので
ある。
(Function) Therefore, the discharge hole (35) of the front head (32)
) into the discharge chamber (51) formed by the muffler (5), the gas refrigerant is discharged from the outlet (52) formed in the muffler (5) into the oil separation chamber (61).
), and as this discharged gas refrigerant swirls within the oil separation chamber (61), the lubricating oil mixed in the discharged gas refrigerant is pumped into the separation chamber by centrifugal force. It actively collides with the mesh material (7) installed inside the outer periphery of the cover (8), and this collision causes the lubricating oil to adhere to the mesh material (7), thereby ensuring that the lubricating oil is separated. The discharged gas refrigerant from which the lubricating oil has been separated is discharged into the casing (1) from an opening (62) provided at the center of the separation chamber cover (6).

また、前記網目状物質(7)により分離された前記潤滑
油は、前記分離室カバー(8)の外周部に設けた放出部
(63)から放出されるので、潤滑油が吐出ガス冷媒に
再度混入することなく、ケーシング底部の油溜に流出さ
せられるのであって、潤滑油が吐出ガス冷媒と共にケー
シング(1)外部に排出されることを最小限にでき、ケ
ーシング(1)底部に設ける油溜の油面を確保できるの
である。
Furthermore, the lubricating oil separated by the mesh material (7) is discharged from the discharge part (63) provided on the outer periphery of the separation chamber cover (8), so that the lubricating oil is returned to the discharged gas refrigerant. The oil sump provided at the bottom of the casing (1) can minimize lubricating oil from being discharged to the outside of the casing (1) together with the discharged gas refrigerant. This allows the oil level to be maintained.

また、前記マフラー(5)に、前記分離室カバー(6)
を積層状に配設することにより、前記分離室(61)を
半径方向に大きくとれるので、前記マフラー(5)から
流出する吐出ガス冷媒を大きく旋回させて、吐出ガス冷
媒中に混入する潤滑油にかかる遠心力を大きくでき、こ
の結果、前記網目状物質(7)への衝突力を大きくでき
、吐出ガス冷媒から潤滑油をより確実に分離することが
できるのであり、しかも、前記分離室カバー(6)によ
り前記マフラー(5)との2重マフラーを形成でき、前
記分離室カバー(6)は、吐出ガス冷媒中に混入する潤
滑油を分離することができながら、消音効果もより良好
に発揮することができるのである。
Further, the separation chamber cover (6) is attached to the muffler (5).
By arranging them in a stacked manner, the separation chamber (61) can be made larger in the radial direction, so that the discharged gas refrigerant flowing out from the muffler (5) can be swirled greatly, thereby reducing lubricating oil mixed into the discharged gas refrigerant. The centrifugal force applied to the mesh material (7) can be increased, and as a result, the collision force against the mesh material (7) can be increased, and the lubricating oil can be more reliably separated from the discharged gas refrigerant. (6) allows a double muffler to be formed with the muffler (5), and the separation chamber cover (6) can separate lubricating oil mixed into the discharged gas refrigerant, while also having a better sound deadening effect. It is possible to demonstrate.

(実施例) 実施例について、図面に基づいて説明する。(Example) Examples will be described based on the drawings.

第1図に示した圧縮機は、内方底部に油溜(1a)をも
った密閉ケーシング(1)の内方上部にステータ(21
)とロータ(22)とから成るモータ(2)を内装する
と共に、該モータ(2)の下方位置に、シリンダ(31
)と、該シリンダ(31)の上下位置に配置したフロン
トヘッド(32)及びリヤヘッド(33)とから成る圧
縮要素(3)を内装する一方、前記モータ(2)と前記
圧縮要素(3)とをクランク軸(4)を介して連結し、
該クランク軸(4)の偏心軸部(41)で前記シリンダ
(31)に内装するローラ(34)を偏心回転させるこ
とにより、前記シリンダ(31)内に吸入されたガス冷
媒を圧縮して、前記フロントヘッド(32)に形成した
吐出孔(35)から後記するマフラー(5)を介して、
前記ケーシング(1)内部に吐出させ、該ケーシング(
1)の上部に接続した吐出管(11)を介してケーシン
グ外部に吐出させるようにしている。
The compressor shown in Fig. 1 has a stator (21
) and a rotor (22), and a cylinder (31) is installed below the motor (2).
), and a front head (32) and a rear head (33) disposed above and below the cylinder (31). are connected via the crankshaft (4),
Compressing the gas refrigerant sucked into the cylinder (31) by eccentrically rotating a roller (34) installed in the cylinder (31) with the eccentric shaft part (41) of the crankshaft (4), From the discharge hole (35) formed in the front head (32) through a muffler (5) to be described later,
The casing (1) is discharged into the inside of the casing (1).
1) is discharged to the outside of the casing via a discharge pipe (11) connected to the upper part.

尚、図中(36)は、前記吐出孔(35)の上部側に配
設した吐出弁である。
Note that (36) in the figure is a discharge valve disposed on the upper side of the discharge hole (35).

しかして以上のような密閉形圧縮機において、前記フロ
ントヘッド(32)に、吐出孔(35)を覆い、吐出チ
ャンバー(51)を形成するマフラー(5)を取付ける
と共に、該マフラー(5)の外方上方に、油分離室(6
1)を形成する分離室カバー(6)を積層状に配設して
、前記マフラー(5)の頂面に、前記吐出チャンバー(
51)から分離室(61)内へ吐出ガス冷媒を旋回状に
流出させる少なくとも1つの流出口(52)を形成すL
一方、前記分離室カバー(6)の外周部内側に網目状物
質(7)を内装し、かつ、該分離室カバー(6)の中心
側に吐出ガス冷媒を前記ケーシング(1)内に吐出させ
る開口部(62)を設け、外周部に分離した油の放出部
(63)を設けたのである。
However, in the hermetic compressor as described above, a muffler (5) that covers the discharge hole (35) and forms a discharge chamber (51) is attached to the front head (32), and the muffler (5) is attached to the front head (32). An oil separation chamber (6
Separation chamber covers (6) forming the discharge chamber (1) are arranged in a stacked manner, and the discharge chamber (6) is arranged on the top surface of the muffler (5).
L forming at least one outlet (52) for allowing the discharged gas refrigerant to flow out from the separation chamber (61) in a spiral manner;
On the other hand, a mesh material (7) is installed inside the outer peripheral part of the separation chamber cover (6), and discharged gas refrigerant is discharged into the casing (1) toward the center of the separation chamber cover (6). An opening (62) is provided, and a separate oil discharge part (63) is provided on the outer periphery.

具体的には、第2図及び第3図に明記したように、前記
フロントヘッド(32)の上部側に、前記マフラー(5
)を被冠すると共に、このマフラ(5)の上部側に前記
油分離室(61)を形成する分離室カバー(6)を、前
記マフラー(5)に積層して、該マフラー(5)の頂面
(53)における半径方向中間部に、前記吐出チャンバ
ー(51)から前記分離室(61)内へ吐出ガス冷媒を
旋回状に流出させるように、一定方向の円周方向に向か
って開口する複数(例えば4個)の流出口(52)を等
間隔をおいて形成するのであり、また一方、前記分離室
カバー(6)の外周部内側に全周にわたり金網やデミス
タ−から成る網目状物質(7)を内装し、かつ、該分離
室カバー(6)の中心側に、前記フロントヘッド(32
)の軸受部(32a)の外周面との間に所定隙間を形成
し、前記油分離室(61)内に溜る吐出ガス冷媒を流出
させる開口部(62)を設けるのであり、さらに、前記
カバー(6)の外周部には、この外周部を等間隔を置い
て半径方向外方に膨出させ、前記油分離室(51)に溜
った潤滑油を前記ケーシング(1)の油溜(1a)に戻
すための複数(例えば4個)の放出部(63)を形成す
るのである。
Specifically, as shown in FIGS. 2 and 3, the muffler (5) is placed on the upper side of the front head (32).
) and forms the oil separation chamber (61) on the upper side of the muffler (5). An opening is provided in a radially intermediate portion of the top surface (53) in a constant circumferential direction so that the discharged gas refrigerant flows out from the discharge chamber (51) into the separation chamber (61) in a swirling manner. A plurality (for example, four) of outlet ports (52) are formed at equal intervals, and a mesh material made of a wire mesh or a demister is provided inside the outer periphery of the separation chamber cover (6) over the entire circumference. (7) is installed internally, and the front head (32
) is provided with an opening (62) that forms a predetermined gap between the cover and the outer circumferential surface of the bearing portion (32a) and allows discharged gas refrigerant accumulated in the oil separation chamber (61) to flow out. The outer periphery of the casing (6) is bulged radially outward at equal intervals so that the lubricating oil accumulated in the oil separation chamber (51) can be transferred to the oil sump (1a) of the casing (1). ) to form a plurality of (for example, four) discharge parts (63).

尚、前記マフラー(5)に積層する前記分離室カバー(
6)は、前記マフラー(5)に被冠してもよいが、第1
、第2図に示したように前記軸受部(32a)に取付ブ
ラケット(83)を固定すると共に、前記分離室カバー
(6)と前記マフラー(5)との間に間座(81)を介
装し、ボルト(82)により前記分離室カバー(6)と
前記マフラー(5)及び取付ブラケット(83)とを共
線めして固定してもよい。また、前記放出部(63)は
、前記分離室カバー(6)の外周部を膨出させて形成し
ているが、前記取付ブラケット(83)を用いて固定す
る構成とする場合には、前記分離室カバー(6)の径を
前記マフラー(5)の径より大径として全周にわたる放
出部を形成してもよい。
In addition, the separation chamber cover (
6) may be covered with the muffler (5), but the first
As shown in FIG. 2, a mounting bracket (83) is fixed to the bearing part (32a), and a spacer (81) is interposed between the separation chamber cover (6) and the muffler (5). The separation chamber cover (6), the muffler (5), and the mounting bracket (83) may be aligned and fixed using bolts (82). Further, the discharge part (63) is formed by expanding the outer peripheral part of the separation chamber cover (6), but when the discharge part (63) is configured to be fixed using the mounting bracket (83), The diameter of the separation chamber cover (6) may be made larger than the diameter of the muffler (5) to form a discharge portion that extends over the entire circumference.

次に以上の如く構成した密閉形圧縮機の作用を説明する
。前記フロントヘッド(32)の吐出孔(35)から前
記吐出チャンバー(51)内に吐出したガス冷媒は前記
マフラー(5)の頂面(53)に形成する前記各流出口
(52)・・・・から、前記油分離室(61)内に旋回
状に流出されるのであり、この流出した吐出ガス冷媒が
該油分離室(61)内を旋回することにより、吐出ガス
冷媒中に混入する潤滑油は遠心力で前記分離室カバー(
6)の外周部内側に内装した前記網目状物質(7)に積
極的に衝突して、この衝突により前記潤滑油を前記網目
状物質(7)に付着させて、潤滑油が吐出ガス冷媒から
分離されるのであって、潤滑油が分離された吐出ガス冷
媒は、前記分離室カバー(6)の中心側に設けた前記開
口部(82)から前記ケーシング(1)内へ吐出される
と共に、前記網目状物質(7)で分離された潤滑油は、
前記分離室カバー(6)の外周部に設けた前記各放出部
(63)・・・・から放出されるのであって、この潤滑
油が吐出ガス冷媒に再度混入することなく前記油溜(1
a)へと戻されるのである。
Next, the operation of the hermetic compressor constructed as above will be explained. The gas refrigerant discharged into the discharge chamber (51) from the discharge hole (35) of the front head (32) flows through each of the outlet ports (52) formed on the top surface (53) of the muffler (5). -Then, the discharged gas refrigerant flows out in a swirling manner into the oil separation chamber (61), and as the discharged gas refrigerant swirls in the oil separation chamber (61), the lubricant mixed into the discharged gas refrigerant is The oil flows through the separation chamber cover (
6), the lubricating oil is attached to the mesh material (7) due to this collision, and the lubricating oil is removed from the discharged gas refrigerant. The discharged gas refrigerant from which the lubricating oil has been separated is discharged into the casing (1) from the opening (82) provided at the center of the separation chamber cover (6), and The lubricating oil separated by the mesh material (7) is
The lubricating oil is discharged from the respective discharge portions (63) provided on the outer periphery of the separation chamber cover (6), and the lubricating oil is released from the oil sump (1) without being mixed into the discharged gas refrigerant again.
This brings us back to a).

従って、潤滑油が吐出ガス冷媒に混入したままケーシン
グ(1)外部に排出されるのを最小限に抑制されるので
あって、ケーシング(1)底部に設ける油溜の油面を確
保できるのである。
Therefore, the lubricating oil mixed with the discharged gas refrigerant and discharged to the outside of the casing (1) is minimized, and the oil level in the oil reservoir provided at the bottom of the casing (1) can be secured. .

特に、第1、第2図に示した実施例では、前記分離室カ
バー(6)を、前記マフラー(5)の上部側に積層状に
配設しているので、前記分離室(61)を半径方向に大
きくとることができ、従って、前記マフラー(5)から
流出する吐出ガス冷媒を前記分離室(61)内で大きく
旋回させて、潤滑油にかかる遠心力を大きくできるので
、前記網目状物質(7)への衝突力を大きくでき、吐出
ガス冷媒から潤滑油を確実に分離することができるので
あり、しかも、前記分離室カバー(6)により前記マフ
ラー(5)との2重マフラーを形成でき、前記分離室カ
バー(6)は、吐出ガス冷媒中に混入する潤滑油を分離
することができながら、消音効果をより育効に発揮する
ことができるのである。
In particular, in the embodiment shown in FIGS. 1 and 2, the separation chamber cover (6) is arranged in a layered manner on the upper side of the muffler (5), so that the separation chamber (61) is Therefore, the discharged gas refrigerant flowing out from the muffler (5) can be swirled greatly in the separation chamber (61), and the centrifugal force applied to the lubricating oil can be increased. The collision force against the substance (7) can be increased, and the lubricating oil can be reliably separated from the discharged gas refrigerant. Moreover, the separation chamber cover (6) allows a double muffler to be connected to the muffler (5). The separation chamber cover (6) can separate the lubricating oil mixed into the discharged gas refrigerant, and can exhibit a more effective noise reduction effect.

以上の実施例においては、前記マフラー(5)の上部側
に前記分離室カバー(6)を積層状に配設し、前記マフ
ラー(5)の頂面(53)に前記流出口(52)を設け
たが、第4図及び第5図に示すごとく、前記マフラー(
5)の中心部を下方に向かって傾斜させて、該傾斜部(
54)に前記マフラー(5)内の吐出ガス冷媒を旋回状
に流出させる複数の(例えば4個)の流出口(52)を
等間隔に形成すると共に、前記マフラー(5)の頂面(
53)に取付フランジ(84)をもつ分離室カバー(6
)をボルト(9)により固定して、この分離室カバー(
6)の外周部内側で、前記傾斜部(54)外方に金網な
どから成る網目状物質(7)を円周状に配設してもよい
。この場合、前記網目駄目物質(7)に前記マフラー(
5)の頂面(53)に沿う水平部(7a)を設けて、前
記分離室カバー(6)の取付フランジ(64)により前
記マフラー(5)の頂面(53)に挟み込むのが好まし
い。斯くすることにより、前記取付フランジ(64)と
頂面(53)との間に潤滑油の放出部(63)を形成で
きるのである。以上のごとく構成する第4.5図の実施
例によっても、前記傾斜部(54)の前記各流出口(5
2)・・・・から旋回状に吐出ガス冷媒が流出され、吐
出ガス冷媒中に混入する潤滑油は遠心力により前記網目
状物質(7)に衝突して、該網目状物質(7)により分
離されるのであり、分離された潤滑油は、前記放出部(
63)を介して、前記分離室(61)から放出され、前
記油溜(1a)に戻されるのであり、潤滑油が分離され
た吐出ガス冷媒は、前記分離室カバー(6)の中心側に
設ける開口部(62)から、前記ケーシング(1)内部
に吐出されるのである。
In the above embodiment, the separation chamber cover (6) is arranged in a stacked manner on the upper side of the muffler (5), and the outlet port (52) is provided on the top surface (53) of the muffler (5). However, as shown in FIGS. 4 and 5, the muffler (
5) by slanting the central part of the sloping part (
A plurality (for example, four) of outlet ports (52) are formed at equal intervals in the muffler (5) to allow the discharged gas refrigerant to flow out in a swirling manner, and the top surface (54) of the muffler (5) is formed at equal intervals.
Separation chamber cover (6) with mounting flange (84) on
) with bolts (9), and then attach this separation chamber cover (
A mesh material (7) made of wire mesh or the like may be disposed in a circumferential manner inside the outer circumferential portion of 6) and outward of the inclined portion (54). In this case, the muffler (
It is preferable to provide a horizontal portion (7a) along the top surface (53) of the muffler (5) and sandwich it between the mounting flange (64) of the separation chamber cover (6) and the top surface (53) of the muffler (5). By doing so, a lubricating oil release portion (63) can be formed between the mounting flange (64) and the top surface (53). Also in the embodiment of FIG. 4.5 configured as above, each of the outlet ports (5
2) The discharged gas refrigerant flows out in a swirling manner, and the lubricating oil mixed in the discharged gas refrigerant collides with the mesh material (7) due to centrifugal force, and is absorbed by the mesh material (7). The separated lubricating oil is sent to the discharge part (
63), the discharged gas refrigerant is discharged from the separation chamber (61) and returned to the oil sump (1a), and the discharged gas refrigerant from which the lubricating oil has been separated is placed in the center of the separation chamber cover (6). It is discharged into the casing (1) through the provided opening (62).

(発明の効果) 以上説明したように、本発明にかかる密閉形圧縮機は、
前記フロントヘッド(32)に、吐出孔(35)を覆い
、吐出チャンバー(51)を形成するマフラー(5)を
取付けると共に、該マフラー(5)の外方に、油分離室
(θ1)を形成する分離室カバー(6)を設けて、前記
マフラー(5)に前記吐出チャンバー(51)から分離
室(θ1)へ吐出ガス冷媒を旋回状に流出させる少なく
とも1つの流出口(52)を形成する一方、前記分離室
カバー(6)の外周部内側に、網目状物質(7)を内装
し、かつ、該分離室カバー(6)の中心側に吐出ガス冷
媒を流出させる開口部(62)を設け、外周部に分離し
た油の放出部(63)を設けたから、前記フロントヘッ
ド(32)の吐出孔(35)から前記吐出チャンバー(
51)内に吐出されたガス冷媒は前記マフラー(5)に
形成する前記流出口(52)から、前記油分離室(61
)内に旋回状に流出され、この流出した吐出ガス冷媒が
該油分離室(e1)内を旋回することにより、前記吐出
ガス冷媒中に混入する潤滑油を遠心力で前記分離室カバ
ー(6)の外周部内側に内装した網目状物質(7)に積
極的に衝突させることができ、この衝突により前記潤滑
油を前記網目状物質(7)に付着させて、該潤滑油を分
離できるのであって、その結果、潤滑油を分離した吐出
ガス冷媒が、前記分離室カバー(6)の中心側に設けた
開口部(62)から前記ケーシング(1)内へ吐出させ
ることができるのである。また、前記網目状物質(7)
で分離された前記潤滑油は、前記分離室カバー(6)の
外周部に設けた放出部(63)から放出させられるので
あって、分離した潤滑油が再度吐出ガス冷媒に混入する
ことなく、油溜に戻すことができるのであり、潤滑油が
吐出ガス冷媒に混入したままケーシング(1)外部に排
出されるのを最小限にでき、ケーシング(1)底部に設
ける油溜の油面を確保できるのである。
(Effects of the Invention) As explained above, the hermetic compressor according to the present invention has the following features:
A muffler (5) that covers the discharge hole (35) and forms a discharge chamber (51) is attached to the front head (32), and an oil separation chamber (θ1) is formed outside the muffler (5). A separation chamber cover (6) is provided to form at least one outlet (52) in the muffler (5) through which the discharged gas refrigerant flows out from the discharge chamber (51) into the separation chamber (θ1) in a swirling manner. On the other hand, a mesh material (7) is installed inside the outer periphery of the separation chamber cover (6), and an opening (62) through which the discharged gas refrigerant flows out toward the center of the separation chamber cover (6) is provided. Since a separate oil discharge part (63) is provided on the outer circumference, the discharge hole (35) of the front head (32) is provided with a separate oil discharge part (63).
The gas refrigerant discharged into the oil separation chamber (61) flows from the outlet (52) formed in the muffler (5) into the oil separation chamber (61).
), and the discharged discharged gas refrigerant swirls in the oil separation chamber (e1), whereby the lubricating oil mixed in the discharged gas refrigerant is removed by centrifugal force from the separation chamber cover (6). ) can be actively collided with the mesh material (7) installed inside the outer periphery of the lubricant, and this collision causes the lubricating oil to adhere to the mesh material (7) and separate the lubricating oil. As a result, the discharge gas refrigerant from which the lubricating oil has been separated can be discharged into the casing (1) from the opening (62) provided at the center of the separation chamber cover (6). Furthermore, the mesh material (7)
The separated lubricating oil is released from the discharge part (63) provided on the outer periphery of the separation chamber cover (6), so that the separated lubricating oil does not mix into the discharged gas refrigerant again. This allows the lubricating oil to be returned to the oil sump, minimizing the possibility that the lubricating oil is mixed with the discharged gas refrigerant and being discharged to the outside of the casing (1), and ensuring a sufficient oil level in the oil sump provided at the bottom of the casing (1). It can be done.

また、前記マフラー(5)に、前記分離室カバー(6)
を積層状に配設することにより、前記分離室(61)を
半径方向に大きくとれるので、前記マフラー(5)から
流出する吐出ガス冷媒を太きく旋回させて、吐出ガス冷
媒中に混入する潤滑油にかかる遠心力をより大きくでき
、この結果、前記網目状物質(7)への衝突力を大きく
でき、吐出ガス冷媒から潤滑油をより確実に分離するこ
とができるのであり、しかも、前記分離室カバー(6)
により前記マフラー(5)との2重マフラーを形成でき
、前記分離室カバー(6)は、吐出ガス冷媒中に混入す
る潤滑油を分離することができながら、消音効果をより
有効に発揮することができるのである。
Further, the separation chamber cover (6) is attached to the muffler (5).
By arranging them in a stacked manner, the separation chamber (61) can be made larger in the radial direction, so that the discharged gas refrigerant flowing out from the muffler (5) is swirled widely, and the lubricant mixed into the discharged gas refrigerant is The centrifugal force applied to the oil can be increased, and as a result, the collision force against the network substance (7) can be increased, and the lubricating oil can be more reliably separated from the discharged gas refrigerant. Room cover (6)
Therefore, a double muffler can be formed with the muffler (5), and the separation chamber cover (6) can more effectively exhibit a silencing effect while being able to separate lubricating oil mixed into the discharged gas refrigerant. This is possible.

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

第1図は本発明にかかる密閉形圧縮機の一実施例を示す
縦断面図、第2図は同実施例の要部を示す断面図、第3
図は同平面図、第4図は他の実施例の要部を示す断面図
、第5図は同平面図、第6図は従来例を示す断面図であ
る。 (1)・・・・密閉ケーシング (2)・・・・モータ (3)・・・・圧縮要素 (31)・・・・シリンダ (32)・・・・フロントヘッド (33)・・・・リヤヘッド (35)・・・・吐出孔 (5)・・・・マフラー (51)・・・・吐出チャンバー (52)・・・・流出口 (53)・・・・頂面 (6)・・・・分離室カバー (61)・・・・油分離室 (62)・・・・開口部 (63)・・・・放出部 (7)・・・・網目状物質 第2図 第4図 第5図
FIG. 1 is a longitudinal cross-sectional view showing an embodiment of a hermetic compressor according to the present invention, FIG. 2 is a cross-sectional view showing main parts of the same embodiment, and FIG.
4 is a sectional view showing essential parts of another embodiment, FIG. 5 is a plan view thereof, and FIG. 6 is a sectional view showing a conventional example. (1)... Sealed casing (2)... Motor (3)... Compression element (31)... Cylinder (32)... Front head (33)... Rear head (35)...Discharge hole (5)...Muffler (51)...Discharge chamber (52)...Outlet (53)...Top surface (6)... ... Separation chamber cover (61) ... Oil separation chamber (62) ... Opening (63) ... Discharge section (7) ... Mesh material Figure 2 Figure 4 Figure 5

Claims (1)

【特許請求の範囲】 1)密閉ケーシング(1)の一側に、モータ(2)を内
装し、他側にシリンダ(31)と、該シリンダ(31)
の上下に配設するフロントヘッド(32)及びリヤヘッ
ド(33)とを備える圧縮要素(3)を内装した密閉形
圧縮機において、前記フロントヘッド(32)に、吐出
孔(35)を覆い、吐出チャンバー(51)を形成する
マフラー(5)を取付けると共に、該マフラー(5)の
外方に、油分離室(61)を形成する分離室カバー(6
)を設けて、前記マフラー(5)に前記吐出チャンバー
(51)から分離室(61)へ吐出ガス冷媒を旋回状に
流出させる少なくとも1つの流出口(52)を形成する
一方、前記分離室カバー(6)の外周部内側に、網目状
物質(7)を内装し、かつ、該分離室カバー(6)の中
心側に吐出ガス冷媒を流出させる開口部(62)を設け
、外周部に分離した油の放出部(63)を設けたことを
特徴とする密閉形圧縮機。 2)吐出チャンバー(51)を形成するマフラー(5)
に、油分離室(61)を形成する分離室カバー(6)を
積層状に配設して、前記マフラー(5)の頂面(53)
に、吐出ガス冷媒を前記油分離室(61)内へ旋回状に
流出させる複数の流出口(52)・・・・を設けると共
に、前記分離室カバー(61)の外周部内側に網目状物
質(7)を内装し、かつ、該分離室カバー(6)の中心
側に吐出ガス冷媒を流出させる開口部(62)を設けて
いる請求項1記載の密閉形圧縮機。
[Claims] 1) A motor (2) is installed on one side of a sealed casing (1), and a cylinder (31) on the other side;
In a hermetic compressor equipped with a compression element (3) having a front head (32) and a rear head (33) disposed above and below the front head (32), a discharge hole (35) is covered and a discharge A muffler (5) forming a chamber (51) is attached, and a separation chamber cover (6) forming an oil separation chamber (61) is attached to the outside of the muffler (5).
), the muffler (5) is provided with at least one outlet (52) through which the discharged gas refrigerant flows out from the discharge chamber (51) into the separation chamber (61) in a spiral manner; A mesh material (7) is installed inside the outer periphery of the (6), and an opening (62) is provided at the center of the separation chamber cover (6) to allow the discharged gas refrigerant to flow out. A hermetic compressor characterized by being provided with an oil discharge section (63). 2) Muffler (5) forming discharge chamber (51)
A separation chamber cover (6) forming an oil separation chamber (61) is arranged in a laminated manner on the top surface (53) of the muffler (5).
is provided with a plurality of outlet ports (52) for allowing the discharged gas refrigerant to flow out into the oil separation chamber (61) in a spiral manner, and a mesh material is provided inside the outer periphery of the separation chamber cover (61). 2. The hermetic compressor according to claim 1, further comprising an opening (62) provided at the center of the separation chamber cover (6) through which the discharged gas refrigerant flows out.
JP25979690A 1990-09-27 1990-09-27 Hermetic compressor Pending JPH04134196A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP25979690A JPH04134196A (en) 1990-09-27 1990-09-27 Hermetic compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25979690A JPH04134196A (en) 1990-09-27 1990-09-27 Hermetic compressor

Publications (1)

Publication Number Publication Date
JPH04134196A true JPH04134196A (en) 1992-05-08

Family

ID=17339117

Family Applications (1)

Application Number Title Priority Date Filing Date
JP25979690A Pending JPH04134196A (en) 1990-09-27 1990-09-27 Hermetic compressor

Country Status (1)

Country Link
JP (1) JPH04134196A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001298992A (en) * 2000-04-18 2001-10-26 Toyota Motor Corp Motor controller
WO2003048576A1 (en) * 2001-12-03 2003-06-12 Lg Electronics Inc. Discharging part structure for compressor
WO2009028261A1 (en) * 2007-08-28 2009-03-05 Mitsubishi Electric Corporation Rotary compressor
WO2010143521A1 (en) * 2009-06-11 2010-12-16 三菱電機株式会社 Refrigerant compressor and heat pump device
EP2733306A2 (en) 2012-11-20 2014-05-21 Mitsubishi Heavy Industries, Ltd. Compressor having rotary compression mechanism with a muffler cover
JP2014152683A (en) * 2013-02-07 2014-08-25 Mitsubishi Heavy Ind Ltd Hermetic scroll compressor

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001298992A (en) * 2000-04-18 2001-10-26 Toyota Motor Corp Motor controller
WO2003048576A1 (en) * 2001-12-03 2003-06-12 Lg Electronics Inc. Discharging part structure for compressor
WO2009028261A1 (en) * 2007-08-28 2009-03-05 Mitsubishi Electric Corporation Rotary compressor
JP5300727B2 (en) * 2007-08-28 2013-09-25 三菱電機株式会社 Rotary compressor
WO2010143521A1 (en) * 2009-06-11 2010-12-16 三菱電機株式会社 Refrigerant compressor and heat pump device
CN102803733A (en) * 2009-06-11 2012-11-28 三菱电机株式会社 Refrigerant compressor and heat pump device
JP5542813B2 (en) * 2009-06-11 2014-07-09 三菱電機株式会社 Refrigerant compressor and heat pump device
US8790097B2 (en) 2009-06-11 2014-07-29 Mitsubishi Electric Corporation Refrigerant compressor and heat pump apparatus
US9011121B2 (en) 2009-06-11 2015-04-21 Mitsubishi Electric Corporation Refrigerant compressor and heat pump apparatus
EP2733306A2 (en) 2012-11-20 2014-05-21 Mitsubishi Heavy Industries, Ltd. Compressor having rotary compression mechanism with a muffler cover
JP2014152683A (en) * 2013-02-07 2014-08-25 Mitsubishi Heavy Ind Ltd Hermetic scroll compressor

Similar Documents

Publication Publication Date Title
JP5692177B2 (en) Compressor
US7988427B2 (en) Compressor muffler
KR101133300B1 (en) Rotary compressor
JP3709103B2 (en) Hermetic vertical compressor
JP2005180295A (en) Scroll compressor
JPH04134196A (en) Hermetic compressor
CN110159536B (en) Scroll compressor, air conditioner and vehicle
JP2003201964A (en) Gas compressor
KR960000984B1 (en) Rotary compressor
WO2020196002A1 (en) Scroll compressor
JP3430818B2 (en) Double head cam compressor
JP6297168B2 (en) Compressor
JPH09170581A (en) Compressor
JPH0610852A (en) Scroll compressor
JP3417031B2 (en) Horizontal compressor
JP4164917B2 (en) High pressure dome compressor
JP5462982B1 (en) Compressor
JP3747533B2 (en) Cam compressor
JPS62168976A (en) Structure of rotor of rotation speed variable compressor
JPH0510281A (en) Closed type compressor
JPH06346884A (en) Motor-driven compressor
JP3066704B2 (en) Gas compressor
JP2703521B2 (en) Hermetic scroll fluid device
JP2005330821A (en) Hermetic rotary compressor
JPH07111185B2 (en) Hermetic compressor