JPS62261690A - Enclosed compressor - Google Patents
Enclosed compressorInfo
- Publication number
- JPS62261690A JPS62261690A JP10465686A JP10465686A JPS62261690A JP S62261690 A JPS62261690 A JP S62261690A JP 10465686 A JP10465686 A JP 10465686A JP 10465686 A JP10465686 A JP 10465686A JP S62261690 A JPS62261690 A JP S62261690A
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- cylinder
- compression chamber
- upper bearing
- communication hole
- 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
- 230000003584 silencer Effects 0.000 claims abstract description 3
- 230000006835 compression Effects 0.000 claims description 22
- 238000007906 compression Methods 0.000 claims description 22
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000005284 excitation Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
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
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—Hermetic pumps
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、密閉形圧縮機に係り、特に騒音防止に好適な
密閉形圧縮機に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a hermetic compressor, and particularly to a hermetic compressor suitable for noise prevention.
１従来の技術〕 従来の密閉形圧縮機を第２図で説明する。1 Conventional technology] A conventional hermetic compressor will be explained with reference to FIG.
密閉容器ｌの上部に電動要素スを、下部に圧縮要素１を
配設し、密閉容器１底部には潤滑油４が貯溜されている
。前記圧縮要素スは、圧縮室３１を構成するシリンダ５
、上部軸受６、下部軸受７を含み、下部軸受７には圧縮
室３１内よりバルブ８を介して、下部軸受７に係止され
た消音器９内に開口する吐出口ｌＯが設けられている。An electric element is disposed in the upper part of the closed container 1, a compression element 1 is arranged in the lower part, and lubricating oil 4 is stored in the bottom of the closed container 1. The compression element is a cylinder 5 constituting a compression chamber 31.
, an upper bearing 6 and a lower bearing 7, and the lower bearing 7 is provided with a discharge port 1O that opens from inside the compression chamber 31 through a valve 8 and into a muffler 9 secured to the lower bearing 7. .
また、シリンダ５、上部軸受６、下部軸受７には、消音
器９内より、上部軸受６の上部空間１１に鉛直上方に向
って開口した連通穴１２が設けられている。Further, the cylinder 5, the upper bearing 6, and the lower bearing 7 are provided with a communication hole 12 that opens vertically upward from the inside of the muffler 9 into the upper space 11 of the upper bearing 6.
圧縮室３１内で圧縮された高圧の冷媒ガスは吐出口１０
より消音器９内に吐出された後、連通穴１２を辿り、鉛
直上方に開口した終端部１３より上部軸受６の上部空間
ｌｌ内へ噴出する。この種の密閉形圧縮機に関連するも
のとして、例えば特開昭６０−６９２９０号公報が挙げ
られる。The high pressure refrigerant gas compressed in the compression chamber 31 is discharged through the discharge port 10.
After being discharged into the muffler 9, it follows the communication hole 12 and is ejected into the upper space 11 of the upper bearing 6 through the terminal end 13 that opens vertically upward. For example, Japanese Patent Application Laid-Open No. 60-69290 is related to this type of hermetic compressor.
上記従来技術では、噴出した高圧ガスが、電動要素を構
成する回転子の下端に直接ぶつかり、回転子に連動する
回転軸が上下方向の振動を励起し、回転軸の偏心部上下
面とかかる偏心部と対向する位置の上部軸受、下部軸受
との衝突による騒音の発生原因となっていた。In the above conventional technology, the ejected high-pressure gas directly hits the lower end of the rotor that constitutes the electric element, and the rotating shaft that is linked to the rotor excites vertical vibrations, causing eccentricity between the upper and lower surfaces of the eccentric part of the rotating shaft. Collision between the upper and lower bearings, which are located opposite to each other, caused noise.
本発明の目的は騒音の発生を防止した密閉形圧縮機を提
供することにある。An object of the present invention is to provide a hermetic compressor that prevents noise generation.
上記目的は、密閉容器内に収納された圧縮要素と、上記
圧縮要素を構成するシリンダと、上記シリンダに設けら
れた圧縮室と、上記圧縮室の上部に設けられた第１の軸
受と、上記圧縮室の下部に設けられた第２の軸受と、上
記第２の軸受に設けられた消音器と、上記消音器と圧縮
室とを連通するよう上記第２の軸受に設けられた吐出口
と、上記第１と第２の軸受と上記シリンダとに設けられ
た連通穴とからなり、上記連通穴は上記消音器と上記第
１の軸受の上部空間とを連通ずる圧縮機において、上記
第１の軸受に設けられた連通穴は上記密〃容器の内壁と
対向することにより達成される。The above object includes a compression element housed in a closed container, a cylinder constituting the compression element, a compression chamber provided in the cylinder, a first bearing provided in the upper part of the compression chamber, and the a second bearing provided at a lower portion of the compression chamber; a muffler provided in the second bearing; and a discharge port provided in the second bearing to communicate the muffler and the compression chamber. In the compressor, the compressor includes a communication hole provided in the first and second bearings and the cylinder, and the communication hole communicates the muffler with the upper space of the first bearing. The communication hole provided in the bearing is achieved by facing the inner wall of the sealed container.
吐出口から吐出された高圧ガスは消音器内より連通穴を
通過するが、同連通穴終端部が上部軸受の外周部の密閉
容器内壁に対向する位置に開口しているため、噴出した
高圧ガスが電動要素の回転子の下端に直接ぶつかること
がな（、回転軸の上下方向振動の励起を防ぐことができ
るので、同回転軸の偏心部の上下水平面と、それらに対
向する上下軸受との衝突による騒音の防止が可能となる
。The high-pressure gas discharged from the discharge port passes through the communication hole from inside the muffler, but since the end of the communication hole opens at a position facing the inner wall of the sealed container on the outer periphery of the upper bearing, the high-pressure gas ejected This prevents direct contact with the lower end of the rotor of the electric element (and prevents the excitation of vertical vibration of the rotating shaft. This makes it possible to prevent noise caused by collisions.
以下、本発明の実施例を第１図により説明する。 Embodiments of the present invention will be described below with reference to FIG.
密閉容器１の上部に電動要素スを、下部に圧縮要素主を
配設し、密閉容器１底部には潤滑油４が貯溜されている
。前記圧縮要素２は、圧縮室３１を構成するシリンダ５
、上部軸受６、下部軸受７を含み、下部軸受７には圧縮
室３１内よりバルブ８を介して、下部軸受７に係止され
た消音器９内に開口する吐出口１０が設けられている。An electric element is disposed in the upper part of the closed container 1, a main compression element is arranged in the lower part, and lubricating oil 4 is stored in the bottom of the closed container 1. The compression element 2 includes a cylinder 5 that constitutes a compression chamber 31.
, an upper bearing 6 and a lower bearing 7, and the lower bearing 7 is provided with a discharge port 10 that opens from inside the compression chamber 31 through a valve 8 into a muffler 9 secured to the lower bearing 7. .
また、シリンダ５、上部軸受６、下部軸受７には、消音
器９内より上部軸受６の上部空間１１に通じる連通穴１
２が設けられており、その終端部１３′は前記上部軸受
外周部の密閉容器１内壁に対向する位置に開口している
。In addition, the cylinder 5, the upper bearing 6, and the lower bearing 7 are provided with communication holes 1 that communicate with the upper space 11 of the upper bearing 6 from inside the silencer 9.
2, the terminal end 13' of which opens at a position facing the inner wall of the closed container 1 on the outer periphery of the upper bearing.
上記構造により、連通式終端部１３′から噴出した高圧
ガスは直接電動要素ｌの回転子２１にぶつかることはな
（、回転軸３２の上下振動による騒音を防止することが
できる。With the above structure, the high-pressure gas ejected from the communicating end portion 13' does not directly collide with the rotor 21 of the electric element 1 (and noise caused by vertical vibration of the rotating shaft 32 can be prevented).
本発明によれば、回転軸の上下方向振動による衝突音を
防止することができ、騒音の発生を防止する効果がある
。According to the present invention, it is possible to prevent collision noise caused by vertical vibration of the rotating shaft, and there is an effect of preventing the generation of noise.
第１図は本発明の一実施例を適用した密閉形圧縮様の縦
断面図、第２図は従来の密閉形圧縮機の縦断面図である
。
ｌ・・・密閉容器、Ｚ・・・電動要素、盈・・・圧縮要
素、１２・・・連通穴、１３．１３′・・・連通式終端
部。
寥 １１！ＩFIG. 1 is a vertical cross-sectional view of a hermetic compressor to which an embodiment of the present invention is applied, and FIG. 2 is a vertical cross-sectional view of a conventional hermetic compressor. l...Airtight container, Z...Electric element, Ei...Compression element, 12...Communication hole, 13.13'...Communication type terminal part. Big 11! I
Claims (1)
を構成するシリンダと、上記シリンダに設けられた圧縮
室と、上記圧縮室の上部に設けられた第１の軸受と、上
記圧縮室の下部に設けられた第２の軸受と、上記第２の
軸受に設けられた消音器と、上記消音器と圧縮室とを連
通するよう上記第２の軸受に設けられた吐出口と、上記
第１と第２の軸受とシリンダとに設けられた連通穴とか
らなり、上記連通穴は上記消音器と上記第１の軸受の上
部空間とを連通する密閉形圧縮器において、上記第１の
軸受に設けられた連通穴は上記密閉容器の内壁と対向す
ることを特徴とする密閉形圧縮機。1. A compression element housed in a closed container, a cylinder constituting the compression element, a compression chamber provided in the cylinder, a first bearing provided in the upper part of the compression chamber, and the compression chamber. a second bearing provided at the bottom of the second bearing; a muffler provided in the second bearing; a discharge port provided in the second bearing so as to communicate the muffler and the compression chamber; In the hermetic compressor, the hermetic compressor includes first and second bearings and a communication hole provided in the cylinder, and the communication hole communicates the silencer with the upper space of the first bearing. A hermetic compressor, wherein a communication hole provided in the bearing faces an inner wall of the hermetic container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10465686A JPS62261690A (en) | 1986-05-09 | 1986-05-09 | Enclosed compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10465686A JPS62261690A (en) | 1986-05-09 | 1986-05-09 | Enclosed compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62261690A true JPS62261690A (en) | 1987-11-13 |
Family
ID=14386504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10465686A Pending JPS62261690A (en) | 1986-05-09 | 1986-05-09 | Enclosed compressor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62261690A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6733258B2 (en) * | 2001-10-19 | 2004-05-11 | Denso Corporation | Gas compressor apparatus having a discharge pulsation reducing cooler |
-
1986
- 1986-05-09 JP JP10465686A patent/JPS62261690A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6733258B2 (en) * | 2001-10-19 | 2004-05-11 | Denso Corporation | Gas compressor apparatus having a discharge pulsation reducing cooler |
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