JPS5946389A - Rotary compressor - Google Patents
Rotary compressorInfo
- Publication number
- JPS5946389A JPS5946389A JP15847782A JP15847782A JPS5946389A JP S5946389 A JPS5946389 A JP S5946389A JP 15847782 A JP15847782 A JP 15847782A JP 15847782 A JP15847782 A JP 15847782A JP S5946389 A JPS5946389 A JP S5946389A
- Authority
- JP
- Japan
- Prior art keywords
- refrigerant
- gas damper
- pipe
- tube
- refrigerant supply
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/06—Silencing
- F04C29/063—Sound absorbing materials
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、冷凍サイクル等に使用する回転式圧縮機に関
し、特に圧縮中のガスを冷却するため高圧室内に凝縮し
た液冷媒を供給するものに係わる。[Detailed Description of the Invention] Industrial Application Field The present invention relates to a rotary compressor used in a refrigeration cycle, etc., and particularly relates to a rotary compressor that supplies condensed liquid refrigerant into a high-pressure chamber to cool gas being compressed. .
従来例の構成とその問題点 従来の構成を第１図にて説明する。Conventional configuration and its problems A conventional configuration will be explained with reference to FIG.
１は密閉ケーシング、２は電動機部であり、その下部に
は、シリンダ３、ローラ４、主軸受５、副軸受６、仕切
弁７、仕切弁用スプリング７′ニより構成される機械部
本体８が固定されている。1 is a sealed casing, 2 is an electric motor section, and below it is a mechanical section main body 8 consisting of a cylinder 3, a roller 4, a main bearing 5, an auxiliary bearing 6, a gate valve 7, and a spring 7' for the gate valve. is fixed.
シリンダ３内は、主軸受５、副軸受６１ｆＣより圧縮室
９を形成している。主軸受６、副軸受６は、電動機部２
に連結するシャフト１ｏを回転自在に支持している。こ
のシャフト１０には圧縮室９内に位置する偏心カム１１
が設けられており、偏心カム１１にはリング状のローラ
４が軸装されている。Inside the cylinder 3, a compression chamber 9 is formed by the main bearing 5 and the sub-bearing 61fC. The main bearing 6 and the sub bearing 6 are connected to the electric motor section 2
A shaft 1o connected to the shaft 1o is rotatably supported. This shaft 10 has an eccentric cam 11 located inside the compression chamber 9.
A ring-shaped roller 4 is mounted on the eccentric cam 11.
シリンダ３には、キャピラリチー−ブ１２を気密に保持
し、又キャピラリチューブ１２を内蔵し液冷媒供給管１
３と連通ずる保護管１４を固定するホルダ１５が圧入固
定されている。キュビラリチー−ブ１２は、一端が冷媒
供給孔１６を介して圧縮室９と連通し、他端に密閉ケー
シング１の外部の保護管１４内で開口する開口部１２′
を有する。The cylinder 3 holds a capillary tube 12 airtightly, and also has a built-in capillary tube 12 and a liquid refrigerant supply pipe 1.
A holder 15 for fixing a protective tube 14 communicating with the protective tube 3 is press-fitted and fixed. The cubic chamber 12 has one end communicating with the compression chamber 9 via the refrigerant supply hole 16 and an opening 12' opening in the protective tube 14 outside the hermetic casing 1 at the other end.
has.
このような構成において蒸発器Ｃよりの戻りガスは、吸
入貫１７より圧縮室９内に流入し、電動機部２の回転に
伴うシャフト１ｏ及び偏心カム１１０回転により、ロー
ラ４が圧縮室９内を回転することにより冷媒を圧縮し、
圧縮された冷媒は吐出孔１６にり吐出弁１５ａを介して
一旦密閉ケーシング１内に吐出された後、吐出管１８よ
り凝縮器Ａに吐出され、主キャピラリチーーブＢを介し
て、蒸発器Ｃに至る。一方、凝縮器へにより液化し７／
ヒ冷媒の一部は液冷媒供給管１３より保護管１４、キャ
ピラリチー−ブ１２、冷媒供給孔１６を介して圧縮室９
に流入し、機械部本体８を冷却する７゜しかしこの従来
例においては、１圧縮行程毎しこキャビラリチー−ブ１
２内を冷媒が間欠的に流れることにより、冷媒供給管１
３内の冷媒が脈動を生じ、その脈動を減衰する機構がな
い為に、冷媒供給管１３の振動が大きく、管の折損や騒
音が大きい等の問題があった。In such a configuration, the return gas from the evaporator C flows into the compression chamber 9 through the suction hole 17, and the roller 4 moves inside the compression chamber 9 due to the rotation of the shaft 1o and the eccentric cam 110 accompanying the rotation of the electric motor section 2. Compresses the refrigerant by rotating,
The compressed refrigerant is once discharged into the sealed casing 1 from the discharge hole 16 via the discharge valve 15a, and then discharged from the discharge pipe 18 to the condenser A, and then via the main capillary tube B to the evaporator. This leads to C. On the other hand, it liquefies into the condenser and 7/
A part of the refrigerant is supplied from the liquid refrigerant supply pipe 13 to the compression chamber 9 through the protection tube 14, the capillary tube 12, and the refrigerant supply hole 16.
7 degrees to cool the machine body 8.However, in this conventional example, the cooling chamber 1 cools down during each compression stroke.
By the refrigerant flowing intermittently through the refrigerant supply pipe 1
The refrigerant in the refrigerant supply pipe 13 generates pulsations, and since there is no mechanism to attenuate the pulsations, there are problems such as large vibrations in the refrigerant supply pipe 13, pipe breakage, and large noise.
発明の目的
本発明゛ば、回転式圧縮機の１回転毎にキ４・ビラリチ
ヱーブ内を冷媒が間欠的に流れることによる冷媒供給管
内の冷媒の脈動を、ガスダンパー効果を利用することに
より減衰し、冷媒供給管の脈動を低減し、又騒音を低減
することを目的とする。Purpose of the Invention The present invention uses a gas damper effect to attenuate the pulsation of refrigerant in the refrigerant supply pipe caused by the refrigerant intermittently flowing through the key 4 refrigerant tube every rotation of the rotary compressor. The purpose is to reduce pulsation in the refrigerant supply pipe and reduce noise.
発明の構成
この目的を達成する為シリンダと熱交換的に一端が固定
され、他端が冷媒供給管に連通ずると共に封止管を分岐
するガスダンパー管を設け、一端を圧縮室に連通ずるキ
ャビ２リテユープの他端を封止管内で開孔する様に構成
したものであり、キャビラリチー−ブ内を冷媒が間欠的
に流れることによる冷媒供給管の脈動を、ガスダンパー
管内の圧縮室近傍の冷媒がシリンダからの熱を受けてガ
ス化することによるガスダンパー効果により減衰させる
様にしたものである。Structure of the Invention In order to achieve this object, a gas damper pipe is provided, one end of which is fixed to the cylinder for heat exchange, the other end communicates with the refrigerant supply pipe, and the sealing pipe branches off, and one end communicates with the compression chamber. The other end of the 2-retiup pipe is configured to open a hole in the sealed pipe, and the pulsation of the refrigerant supply pipe caused by the intermittent flow of refrigerant in the cavity recycle is absorbed by the refrigerant near the compression chamber in the gas damper pipe. It is designed to attenuate by the gas damper effect caused by gasification by receiving heat from the cylinder.
実施例の説明 以下本発明の一実施例を第２図に従い説明する。Description of examples An embodiment of the present invention will be described below with reference to FIG.
尚、従来例と同一部品は同一符号を付し説明を省略する
。１９はシリンダ３の冷媒供給孔１６を有する冷媒供給
部１６ａに圧入したホルダであり、従来のホルダ」：リ
シリンダとの接触長さを長くしている。このホルダ１９
には、ガスダンパー管２０が固定され、ガスダンパー管
２０は、密閉ケーシング１の近傍で封止管２１を分岐し
た後、冷媒供給管１３と連通１ている１、又キャピラリ
チーーブ１２はホルダ１９に気密に固定され、冷媒供給
孔１６を介して圧縮室９と連通し、他端が封止管２１で
開口されている。Incidentally, parts that are the same as those in the conventional example are given the same reference numerals, and explanations thereof will be omitted. A holder 19 is press-fitted into the refrigerant supply part 16a having the refrigerant supply hole 16 of the cylinder 3, and has a longer contact length with the cylinder than the conventional holder. This holder 19
A gas damper pipe 20 is fixed to the gas damper pipe 20, which is connected to a refrigerant supply pipe 13 after branching off from a sealing pipe 21 near the sealed casing 1, and a capillary tube 12 is connected to the refrigerant supply pipe 13. It is airtightly fixed to the holder 19 , communicates with the compression chamber 9 through the refrigerant supply hole 16 , and has the other end opened with a sealing tube 21 .
かかる構成において液化した冷媒は、冷媒供給管１３よ
りガスダンパー管２０ｉ／こ至るが、このときガスダン
パー管２０内のホルダ１９近傍のガスダンパ一部２０’
はシリンダ３の熱をうけ高温となっており、液冷媒の一
部がガス化し、その結果と、のガスダンパ一部２０′が
液化冷媒に対してクッション作用をなし圧縮機の１回転
毎に封止管２１内のキャピラリチューブ１２の開１４１
２’より流入する液化した冷媒は、一旦１、ガスダンパ
一部２０′のガスダンパー効果を受けることになり冷媒
供給管１３の圧力脈動は減衰される７、従って、簡単な
構造で冷媒供給管２ｏの圧力脈動を減衰させ振動騒音を
低減させることができると共に、管の折損を防止するこ
とができる。In this configuration, the liquefied refrigerant reaches the gas damper pipe 20i from the refrigerant supply pipe 13, but at this time, the liquefied refrigerant reaches the gas damper part 20' near the holder 19 in the gas damper pipe 20.
receives heat from the cylinder 3 and becomes high temperature, and part of the liquid refrigerant is gasified, and as a result, the gas damper part 20' acts as a cushion against the liquefied refrigerant and seals every rotation of the compressor. Opening 141 of capillary tube 12 in stop tube 21
The liquefied refrigerant flowing from 2' is once subjected to the gas damper effect of the gas damper part 20', and the pressure pulsations in the refrigerant supply pipe 13 are attenuated 7. Therefore, the refrigerant supply pipe 2o has a simple structure. It is possible to attenuate pressure pulsations and reduce vibration noise, and also prevent pipe breakage.
また図示したものにおいては、冷媒供給管２０とキャビ
ラリチー−ブ１２をホルダー１９を介して７リンダ３（
で固着したが、これに限啄ず、直接両者２０．１２をシ
リンダ３又は、軸受８又は６に圧入ボアを形成して固定
してもよい。In addition, in the illustrated example, the refrigerant supply pipe 20 and the cavity archive 12 are connected to the 7 cylinders 3 (
However, the invention is not limited to this, and both 20 and 12 may be directly fixed by forming a press-fit bore in the cylinder 3 or the bearing 8 or 6.
発明の効果
以−ヒの説明から明らかな様に本発明はシリンダと熱交
換的に一端が固定され、他端が密閉ケーシング外で冷媒
供給管に連通ずると共に封止管を分岐するガスダンパー
管と、一端が圧縮室に連通ずると共に他端がガスダンパ
ー管内より封止管に至り封止管内で開口するキャピラリ
チー−ブを設けたものであるから、冷媒供給管より流入
する液化した冷媒の圧力脈動は圧縮室近傍の冷媒供給管
内に生じるガス冷媒しこよりクッション作用をうける封
止管内より吸入されるため、冷媒供給管の振動。Effects of the Invention As is clear from the above description, the present invention provides a gas damper pipe which has one end fixed to the cylinder for heat exchange and the other end communicates with the refrigerant supply pipe outside the sealed casing and branches the sealed pipe. Since the capillary tube has one end communicating with the compression chamber and the other end leading from the gas damper pipe to the sealing pipe and opening in the sealing pipe, the liquefied refrigerant flowing from the refrigerant supply pipe is The pressure pulsations are sucked into the sealed tube, which is cushioned by the gas refrigerant generated in the refrigerant supply tube near the compression chamber, causing vibrations in the refrigerant supply tube.
騒音を低減することができると共に、管の折損を防止す
ることができる。Not only can noise be reduced, but also pipe breakage can be prevented.
第１図は、従来の回転式圧縮機の断面図、第２図は１、
本発明の一実施例を示す回転式圧縮機の断面図である３
゜
１・・・・・・・密閉ケーシング、３・・・・・・シリ
ンダ、４・・・・・・ピストン、９・・・・・・圧縮室
、１６・・・・・・冷媒供給孔、１６ａ・・・・・・冷
媒供給部、１２・・・・・・キャピラリチ・。
−プ、２０・・・・・・ガスダンパー管、２１・旧・・
封市管。
代理人の氏名 弁理士 中 尾 緻 男 ほか１名第１
図Figure 1 is a sectional view of a conventional rotary compressor, Figure 2 is 1,
3 is a sectional view of a rotary compressor showing an embodiment of the present invention.
゜1... Sealed casing, 3... Cylinder, 4... Piston, 9... Compression chamber, 16... Refrigerant supply hole , 16a... Refrigerant supply section, 12... Capillary. -p, 20...gas damper pipe, 21 old...
City control. Name of agent: Patent attorney Takuo Nakao and 1 other person 1st
figure
Claims (1)
構成される圧縮室を収納し、前記圧縮室に開孔する冷媒
供給孔を備えた冷媒供給部と、前記冷媒供給部に一端が
熱交換的Ｖこ固定され、他端が前記密閉ケーシング外で
冷媒供玲管に連通ずると共に封止管を分岐するガスダン
パー管と、前記冷媒供給孔に一端が気密連通すると共Ｖ
こ他端が前記ガスダンパー管内より前記封止管に至り、
且つ封止管内で開１」するキャピラリチー−−ブとを備
えた回転式圧縮機。A compression chamber constituted by a cylinder, a piston, and a bearing is housed in a sealed casing, and a refrigerant supply section is provided with a refrigerant supply hole that opens into the compression chamber, and one end of the refrigerant supply section is provided with a heat exchange V. a gas damper pipe which is fixed and whose other end communicates with the refrigerant supply pipe outside the sealed casing and branches the sealed pipe; and a gas damper pipe whose one end is in airtight communication with the refrigerant supply hole.
The other end reaches the sealing pipe from inside the gas damper pipe,
A rotary compressor equipped with a capillary tube that opens in the sealed tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15847782A JPS5946389A (en) | 1982-09-10 | 1982-09-10 | Rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15847782A JPS5946389A (en) | 1982-09-10 | 1982-09-10 | Rotary compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5946389A true JPS5946389A (en) | 1984-03-15 |
| JPH0114438B2 JPH0114438B2 (en) | 1989-03-10 |
Family
ID=15672592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15847782A Granted JPS5946389A (en) | 1982-09-10 | 1982-09-10 | Rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5946389A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04107148U (en) * | 1991-02-28 | 1992-09-16 | いすゞ自動車株式会社 | Automobile bumper beam structure |
| CN103423129A (en) * | 2012-05-24 | 2013-12-04 | 三菱电机株式会社 | Sealed rotary refrigeration compressor |
| CN110318989A (en) * | 2019-03-20 | 2019-10-11 | 郭俊桦 | A kind of weak power consumption compressor of air conditioner of automobile |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06951U (en) * | 1991-03-07 | 1994-01-11 | 道夫 坂井 | Front confirmation mirror on the other side of the driver's seat |
-
1982
- 1982-09-10 JP JP15847782A patent/JPS5946389A/en active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04107148U (en) * | 1991-02-28 | 1992-09-16 | いすゞ自動車株式会社 | Automobile bumper beam structure |
| CN103423129A (en) * | 2012-05-24 | 2013-12-04 | 三菱电机株式会社 | Sealed rotary refrigeration compressor |
| CN110318989A (en) * | 2019-03-20 | 2019-10-11 | 郭俊桦 | A kind of weak power consumption compressor of air conditioner of automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0114438B2 (en) | 1989-03-10 |
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