JPS6069291A - Oil supplying structure for enclosed type horizontal rotary compressor - Google Patents

Abstract

PURPOSE:To permit to supply oil to a crank shaft stably by a method wherein a notch is provided on the wall surface of a pipe to provide a small hole by collapsing one side of the boundary of the notch and the small hole is covered by a cap. CONSTITUTION:The notch is provided on the wall surface of a discharging pipe 13 to provide the small hole 16 by collapsing one side of the boundary of the notch into the radial direction thereof. The collapsed surface of the discharging pipe 13 is provided lengthwisely with a parallel surface or tapered surface and the small hole 16 is covered by the slidable cap 17 attached to the outside of the discharging pipe. According to this method, an oil reserving section 19 is formed by the collapsed surface 18 and the cap 17, therefore, inflow of lubricating oil into the discharging pipe 13 may be facilitated.

Description

【発明の詳細な説明】 この発明は、横置密閉形回転圧縮機に係り、特に潤滑油
の供給手段に関するもので、簡易構造で安価にしかも確
実な給油方法を提供することを目的とする。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a horizontal hermetic rotary compressor, and more particularly to a means for supplying lubricating oil, and an object of the present invention is to provide a simple structure, inexpensive, and reliable lubricating method.

従来の横置密閉形回転圧縮機をツ１図〜第３図により説
明する。１は密閉容器で、この密閉老器１内に電動部２
と回転圧縮部３が収納されており、両者はクランク軸４
によ多連結されている。そして、吸入孔（図示せず）を
通ってシリフタ５内へ吸入された冷媒ガスが、ローラ６
、ベーン７、シリンダヘッド８およびフレーム９よシ構
成される圧縮室内にて圧縮された後、吐出弁１０を径て
吐出マフラ１１内の吐出消音室１２へ間欠的に吐出され
、該消音室１２Ｐ３の圧縮冷媒ガスが吐出孔（図示せず
）を通ってガスクーラ（図示せず）へわるいＦｉ直接密
閉容器１内へ流出されるよう構成されている。A conventional horizontal hermetic rotary compressor will be explained with reference to FIGS. 1 to 3. 1 is an airtight container, and inside this airtight container 1 there is an electric part 2.
and a rotating compression section 3 are housed, and both are connected to the crankshaft 4.
It is connected to many parts. Then, the refrigerant gas sucked into the cylinder 5 through the suction hole (not shown) is transferred to the roller 6
, the vane 7, the cylinder head 8, and the frame 9 are compressed in the compression chamber, and then intermittently discharged through the discharge valve 10 to the discharge muffler chamber 12 in the discharge muffler 11, and the muffler chamber 12P3 The compressed refrigerant gas is directly discharged into the sealed container 1 through a discharge hole (not shown) to a gas cooler (not shown).

このような構成において、と＼では吐出パイプ１３が設
けられ、該吐出パイプ１６は、一端は吐出消音室１２に
接続され、他端がクランク軸４内給油孔と連なっており
、吐出消音室１２から１１、たとえばガスクーラへ流出
した残りの少量の圧縮冷媒カスが流入されるもので、こ
の圧縮冷媒ガスは、吐出パイプ１３を通ってクランク軸
４内へ流出される３１４は潤滑油で前記吐出パイプは一
部油中に浸漬されている。In such a configuration, a discharge pipe 13 is provided at \, one end of which is connected to the discharge silencing chamber 12, the other end is connected to the oil supply hole in the crankshaft 4, and the discharge silencing chamber 12 is connected to the other end. 11, for example, the remaining small amount of compressed refrigerant gas that has flowed out to the gas cooler is flowed in. This compressed refrigerant gas is flowed out into the crankshaft 4 through the discharge pipe 13. is partially immersed in oil.

第２図および第３図は、従来の吐出パイプを利用した給
油方法を示すもので、第２回は油中に浸漬された吐出パ
イプの外周に小孔１５をあけたものであり、また罪３図
は吐出パイプ′ｆｒ２分割し、吐出消音室に接続される
吐出パイプ１３ａ１に細径とし、クランク軸４内給油孔
へ連通する吐出パイプ１３１）を太径として、細径吐出
パイプ１３ａを太径吐出パイプ１３１）内に挿入するよ
うな横進としたものである。Figures 2 and 3 show a conventional lubricating method using a discharge pipe. In Figure 3, the discharge pipe 'fr is divided into two parts, the discharge pipe 13a1 connected to the discharge silencing chamber has a small diameter, the discharge pipe 131) communicating with the oil supply hole in the crankshaft 4 has a large diameter, and the small diameter discharge pipe 13a has a large diameter. It is designed to move laterally so as to be inserted into the diameter discharge pipe 131).

上記のような吐出パイプを備える密閉形回転圧縮機にお
いては、第２図のごとき小孔を開けた場合、実紗の結果
、吐出パイプ内のガス流と穴あけ方向との関連から潤滑
油が十分吐出パイプ内に入らず、従ってクランク軸への
給油が不十分とがる　−欠点があった。In a hermetic rotary compressor equipped with a discharge pipe as described above, if a small hole as shown in Figure 2 is made, as a result of the actual gauze, sufficient lubricating oil will be discharged due to the relationship between the gas flow in the discharge pipe and the direction of the hole. It did not enter the pipe, so the oil supply to the crankshaft was insufficient. - There was a drawback.

また、罪３図のごとき構造においては細径吐出パイプ１
３ａと太径吐出パイプ１３ｔ＋との径と、細径パイプの
太径パイプへの挿入長さを適切に決定すれば良好な給油
が可能となるが、太径および細径の吐出パイプを使用せ
ねばならず　部品および朝立寸法管理等手間がか＼す、
コストアップの本本弁は、上記欠陥を改良するためＫな
されたものである。即ち、吐出パイプ１６の壁面に切込
みを設け、該切込みを境にして一方を押し潰して小孔１
６をガス流と同じ方向に開口させ、また。In addition, in the structure shown in Figure 3, the small diameter discharge pipe 1
Good lubrication is possible by appropriately determining the diameters of 3a and large-diameter discharge pipe 13t+, and the insertion length of the small-diameter pipe into the large-diameter pipe. It takes a lot of time to manage parts and dimensions, etc.
This cost-increasing valve was developed to improve the above-mentioned defects. That is, a notch is provided in the wall surface of the discharge pipe 16, and one side is crushed using the notch as a boundary to form the small hole 1.
6 is opened in the same direction as the gas flow, and.

前記押潰し面１８は長手方向に５間以上の平行面あるい
はテーパ面を設けさらに該小孔１６を覆うごとくスライ
ド自在なキャップ１７を増付けたものである。The crushing surface 18 has five or more parallel or tapered surfaces in the longitudinal direction, and a slidable cap 17 is added to cover the small hole 16.

以下率１１を第４図および第５図に示す一実爾例により
説明する。１６ｉｉ吐出パイプ１３の壁面に切込みを設
け、該切込みを境にして一方を径方向に押し潰して開口
させた小孔で、開口面は吐出パイプ内ガス流の向きと同
じとしである。また。The following ratio 11 will be explained using a practical example shown in FIGS. 4 and 5. 16ii A notch is provided in the wall surface of the discharge pipe 13, and one side of the notch is crushed to open in the radial direction, and the opening surface is in the same direction as the gas flow inside the discharge pipe. Also.

吐出パイプ１３の前記押し潰された面１８は長手方向に
５ｍ以上の平行面あるいはテーパ面を設はテする５１７
は前記小孔１６を覆うように吐出パイプ外径に申付けた
スライド自在なキャップである。517 The crushed surface 18 of the discharge pipe 13 has a parallel surface or a tapered surface of 5 m or more in the longitudinal direction.
is a slidable cap attached to the outer diameter of the discharge pipe so as to cover the small hole 16.

上述のような構造において、第４図のごとくキャップ１
７を小孔１６の開口端により押し潰し面１８側に適切な
寸法に出張らせて覆うよう増付けると、潤滑油１４が小
孔１６を通って吐出パイプ１３内に流入し１．パイプ内
を流れる吐出冷媒ガスに引張られてクランク軸４内へと
供給される。すなわち、潤滑油１４中に浸った小孔１６
からは回転圧縮部３から吐出弁１０を経て吐出消音室１
２内へ間欠的に吐出される圧縮冷媒ガスの休止中に潤滑
油１４が吐出パイプ１３内に流入し、この潤滑油１４は
、吐出弁１０からの圧縮冷媒ガス吐出開始にともない、
吐出行程中に冷媒ガスと共に吐出パイプ１３を通ってク
ランク軸４へと供給沁れる。しかし１回転式な圧縮機の
場合、冷媒ガスが休止するのは瞬時であり、したがって
冷媒ガスの流１１中においても潤滑油１４の吐出パイプ
内への流し同じ向きとし、さらに吐出パイプ１３の押し
ｆｆ１面１８とスライド自、在なキャップ１７とで形成
する適切な油溜り部１９を設けたことによって潤滑油１
４の吐出パイプ１３内への流入が極めて容易となる。In the structure as described above, the cap 1 as shown in FIG.
When the lubricating oil 14 flows into the discharge pipe 13 through the small hole 16, the lubricating oil 14 flows into the discharge pipe 13 through the small hole 16. The refrigerant is pulled into the crankshaft 4 by the discharged refrigerant gas flowing through the pipe. That is, the small hole 16 immersed in the lubricating oil 14
From there, the rotary compression section 3 passes through the discharge valve 10 to the discharge silencing chamber 1.
Lubricating oil 14 flows into the discharge pipe 13 during a pause in the compressed refrigerant gas that is intermittently discharged into the refrigerant pipe 2, and as the compressed refrigerant gas starts to be discharged from the discharge valve 10, the lubricating oil 14 flows into the discharge pipe 13.
During the discharge stroke, it is supplied to the crankshaft 4 through the discharge pipe 13 together with the refrigerant gas. However, in the case of a single-rotation type compressor, the refrigerant gas stops instantaneously, so the lubricating oil 14 flows in the same direction into the discharge pipe even in the flow 11 of the refrigerant gas, and furthermore, the flow of the lubricating oil 14 into the discharge pipe 13 is carried out in the same direction. By providing an appropriate oil reservoir 19 formed by the ff1 surface 18 and the slidable cap 17, the lubricating oil 1
4 into the discharge pipe 13 becomes extremely easy.

また、吐出パイプ１３の一部に加工を施し小孔を形成し
たので、従来あるような２ｆｎｉｌｊｌの吐出バの効果
大々る横置密閉形回転圧縮機を提供できるものである。Furthermore, since a small hole is formed in a part of the discharge pipe 13, it is possible to provide a horizontal hermetic rotary compressor that has the great effect of a conventional 2fniljl discharge bar.

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

第１図に従来の横置密閉形回転圧縮機の縦断面図％第２
図および第３図は従来の吐出パイプ會２＋ｌ用した給油
方法を示すＸ　−Ｘ点視横断面図、第４図は第４図のＡ
部拡大図である。 １・・・密閉容器、２・・・電動部、３・・・回転圧縮
部、４・・・クランク軸、５・・・シリング、６・・・
ローラ、７・・・ベーン、８・・・シリングヘッド、９
・・・フレーム。 １０・・・吐出弁、１１・・・吐出マフラ、１２・・・
吐出消音室、１３・・・吐出パイプ、１３ａ・・・細径
吐出パイプ、１３ｂ・・・太径吐出パイプ、１４・・・
潤滑油。 １５・・・小孔、１６・・・小孔、１７・・・キャップ
、１８・・・押し潰し面、１９・・・油溜り部。 高　橋　明　夫 代理人弁理士−１ 豹ヰ図 第５図Figure 1 shows a longitudinal cross-sectional view of a conventional horizontal hermetic rotary compressor.
Fig. 3 and Fig. 3 are cross-sectional views taken from the X-X perspective showing a conventional oil supply method using a discharge pipe assembly 2+l, and Fig. 4 is a cross-sectional view taken from the A of Fig. 4.
It is an enlarged view of the part. DESCRIPTION OF SYMBOLS 1... Airtight container, 2... Electric part, 3... Rotating compression part, 4... Crankshaft, 5... Schilling, 6...
Roller, 7... Vane, 8... Schilling head, 9
···flame. 10...Discharge valve, 11...Discharge muffler, 12...
Discharge muffling chamber, 13...Discharge pipe, 13a...Small diameter discharge pipe, 13b...Large diameter discharge pipe, 14...
Lubricant. 15... Small hole, 16... Small hole, 17... Cap, 18... Squeezing surface, 19... Oil reservoir portion. Akio Takahashi, Patent Attorney - 1 Leopard Diagram Figure 5

Claims (1)

【特許請求の範囲】 １、＠閉容器内に収納された圧縮袈素等からの冷媒ガス
をクランク軸部に導入するパイプの一部に小孔を設け、
該小孔部を潤滑油中に浸漬地させるようにした横置密閉
形回転圧縮機の給油機構において、前記パイプの壁面に
切込みを設は該切込みを境にして一部を押し潰して小孔
を設けると＼もに、Ｖ小孔を覆うとと〈前記切込み部近
傍にキャップを増付けたことを特徴とする横置密閉形回
転圧縮機の給油構造。 ２、　パイプに設けられた小孔の開口面積を可変す範囲
第１項記賊の横置密閉形回転圧縮機の給油構造。 ｔｉＩｔ、ｖＩ！Ｉ閉形回転圧縮機の給油構造。[Claims] 1. A small hole is provided in a part of the pipe that introduces refrigerant gas from a compressed hood etc. stored in a closed container to the crankshaft,
In an oil supply mechanism for a horizontal hermetic rotary compressor in which the small hole portion is immersed in lubricating oil, a notch is provided in the wall surface of the pipe, and a portion of the pipe is crushed at the boundary to form the small hole. An oil supply structure for a horizontal hermetic rotary compressor, characterized in that a cap is added near the notch to cover the small V hole. 2. Scope for varying the opening area of small holes provided in the pipe Item 1: Oil supply structure for a horizontal hermetic rotary compressor. tiIt, vI! Oil supply structure of I-closed rotary compressor.