JPS59158389A - Multi-cylinder reciprocating compressor - Google Patents
Multi-cylinder reciprocating compressorInfo
- Publication number
- JPS59158389A JPS59158389A JP3083283A JP3083283A JPS59158389A JP S59158389 A JPS59158389 A JP S59158389A JP 3083283 A JP3083283 A JP 3083283A JP 3083283 A JP3083283 A JP 3083283A JP S59158389 A JPS59158389 A JP S59158389A
- Authority
- JP
- Japan
- Prior art keywords
- eccentric shaft
- cylinders
- shaft portion
- ring member
- same plane
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/04—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B27/053—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with an actuating element at the inner ends of the cylinders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の技術分野〕
本発明は多気筒往復圧縮機に係９、特に回転駆動軸に形
成式ｎる偏心軸部？その軸方向に短縮することができ、
もって機関の小型化及び軽量化に寄与し得る多気筒往復
圧縮機に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a multi-cylinder reciprocating compressor, and particularly relates to an eccentric shaft portion formed on a rotary drive shaft. Its axial direction can be shortened,
The present invention relates to a multi-cylinder reciprocating compressor that can contribute to reducing the size and weight of an engine.
一般［複数のシリンダ？有する往復圧縮機においては、
そのクランク軸が第１図に示す如く構成さｔ′したもの
が知ら几ている。General [Multiple cylinders? In a reciprocating compressor with
It is well known that the crankshaft is constructed as shown in FIG.
回転駆動力を伝えるクランク軸１にはその一部に偏心軸
部２が形成さｎている。この偏心軸部２には各シリンダ
３，４・・・に対応するぞｎ、 Ｚ ′ｎのコネクティ
ングロッド７．８・・・（以下、コンロット・と呼ぶ）
の大端部１１が軸方向ＩＣ？ａって並んで装溜さ几てい
る。即ち各シリンダ３，４・・・はクランク軸１の軸方
向Ｖｃ清って並列に、あるいは直列に並べらｎ３各コン
ロツド７．８・・・が装着さｎるクランク軸１の偏心軸
′ｆＡ２もこ几ら各シリンダ３゜４・・・に対応して連
続して設けらｎる。従って偏心軸部２の長さはシリンダ
３，４・・・の数が増えるほど長くなる関係となり、多
気筒化について圧縮機本体の軸方向への大型化及び重量
比は避けらｎｙｘい問題であった。A crankshaft 1 that transmits rotational driving force has an eccentric shaft portion 2 formed in a part thereof. This eccentric shaft portion 2 has connecting rods 7, 8 (hereinafter referred to as connecting rods) corresponding to each cylinder 3, 4...
Is the large end 11 of the axial IC? A is lined up and stored. In other words, the cylinders 3, 4, . The cylinders 3, 4, etc. are successively provided corresponding to each cylinder. Therefore, the length of the eccentric shaft portion 2 becomes longer as the number of cylinders 3, 4, etc. increases, and increasing the size of the compressor body in the axial direction and the weight ratio are unavoidable problems when increasing the number of cylinders. there were.
本発明は上述の如き問題点に鑑み、こｒしら全有効ｖｃ
解決すべく創案さｆしたものである。In view of the above-mentioned problems, the present invention has been developed to
This was devised to solve the problem.
本発明の目的は、回転駆動軸に形成さｎる偏心軸！ｆｆ
５にその軸方間に短縮することができ、もって機関の小
型化及び軽度化に寄与し得る多気筒往復圧縮機を提供す
ることにある。An object of the present invention is to form an eccentric shaft on a rotational drive shaft! ff
5. It is an object of the present invention to provide a multi-cylinder reciprocating compressor that can be shortened in its axial length, thereby contributing to making the engine smaller and lighter.
本発明は、回転駆動軸に形成ざｎた偏心軸部の径方向へ
拡大さｎる同一平面内ＶＣ腹数のンリンダ全設け、こ几
らシリンダに対応するコンロッドもその同一平面内に設
けることによって上記偏心軸部の長さ？短縮し、上記目
的音達成するものである。The present invention is characterized in that all the cylinders of VC antinodes are provided in the same plane, which expands in the radial direction of the eccentric shaft part formed on the rotational drive shaft, and connecting rods corresponding to these cylinders are also provided in the same plane. What is the length of the eccentric shaft above? It is shortened and achieves the above target sound.
以下に本発明の好適一実施例について添付図面に従って
説明する。A preferred embodiment of the present invention will be described below with reference to the accompanying drawings.
第２図及び第３図は本発明に係る多気筒往復圧縮機の概
略構成を示している。FIGS. 2 and 3 show a schematic configuration of a multi-cylinder reciprocating compressor according to the present invention.
回転駆動軸たるクランク軸１ｒＣはその一部に、軸心Ｏ
から偏心ざｎて径方向外方へ延出さｎた７ランノ状の偏
心軸部２が形成さｎている。The crankshaft 1rC, which is a rotational drive shaft, has a part with an axis O.
A seven-run-shaped eccentric shaft portion 2 is formed extending radially outward from the center of the shaft.
偏心軸部２にはその径方向外側の周側面１２をその周方
向に沿って囲繞し、且つこｎＶＣ摺接して嵌装さｎるリ
ング部材１３が設けらｎている。従って偏心軸部２は、
リング部材１３の内側でクランク軸１全中心とする偏心
回転が自在な工うに構成さｎている。The eccentric shaft portion 2 is provided with a ring member 13 that surrounds the circumferential surface 12 on the outside in the radial direction along the circumferential direction and is fitted into the eccentric shaft portion 2 in sliding contact therewith. Therefore, the eccentric shaft portion 2 is
It is constructed so that it can freely rotate eccentrically around the crankshaft 1 inside the ring member 13.
リング部材１３にはその端部から径方向外方へ同一平面
内に複数（図示例にあっては４本）のコンロッド７．８
・・・が延出さ几てお９、円１本のコンロッドＴはリン
グ部材１３に一体的に成形され、他のコンロッド８・・
・はその基端部１１（犬端部）がビン１４に工９軸支さ
几、リング部材１３０周方向に活って揺動自在に連結さ
几ている。The ring member 13 has a plurality of (four in the illustrated example) connecting rods 7.8 extending radially outward from its end in the same plane.
... extends out 9, one circular connecting rod T is integrally molded with the ring member 13, and the other connecting rods 8...
The proximal end 11 (dog end) of the ring member 130 is supported by nine shafts on the bottle 14, and the ring member 130 is connected to the ring member 130 so as to be swingable in the circumferential direction.
ｔｉ、リング部材１３から径方向外方へ拡大さルる同一
平面内にはクランク軸１方回に臨んで開口さ几た複数（
図示例にあっては４気筒）のシリンダ３．４・・・が設
けら几ており、各シリンダ３，４・・・内にはその円部
で往復動すべ（ピストン１５・・・がそｎぞｎ設けらｎ
ている。ti, in the same plane expanding radially outward from the ring member 13, there are a plurality of holes (openings facing one direction of the crankshaft).
In the illustrated example, four cylinders 3, 4... are provided, and inside each cylinder 3, 4... there is a piston 15... that reciprocates in its circular portion. n zon n set up n
ing.
従ってリング部材１３から延出さｎたコンロッド７．８
・・・の先端部１９（小端部）はこｎらピストン１５・
・・にピストンピン２０紮介して揺動自在に設けらｎる
ことＫなる。Therefore, the connecting rod 7.8 extends from the ring member 13.
The tip 19 (small end) of... is the piston 15.
. . . The piston pin 20 is arranged so as to be swingable through the piston pin 20.
ところで前述のコンロッド８・・・の基端部１１とリン
グ部材１３との連結状態は第３図に示す如（リング部材
１３の端部が径方向外方へ突出さｎ５その突出部２１の
前記軸心０方向の両端面を挾持すべく断面が略「コ」字
状に成形さｎたコンロッド８の基端部１１が上記突出部
２１に嵌合さｎる。By the way, the connection state between the base end 11 of the connecting rod 8 and the ring member 13 is as shown in FIG. The proximal end 11 of the connecting rod 8, which has a substantially U-shaped cross section so as to sandwich both end surfaces in the 0-direction of the axis, is fitted into the protrusion 21.
基端部１１と突出部２１とはそ几ぞ２′Ｌを軸心０方向
に貫通するビン１４により互いに連結さｎている。The base end portion 11 and the protruding portion 21 are connected to each other by a pin 14 passing through the slot 2'L in the direction of the axis 0.
尚、第４図及び第５図にも示した如く、基端部１１と突
出部２１と？軸心０方向ＶＣＭね合わせても良く、また
突出部２１の断面全路「コ」字状に成形し、その内方へ
基端部１１奮挿入しても良い。Incidentally, as shown in FIGS. 4 and 5, the proximal end portion 11 and the protruding portion 21? The protrusion 21 may be aligned VCM in the 0-axis direction, or the entire cross section of the protrusion 21 may be formed into a "U" shape, and the proximal end 11 may be inserted into the protrusion 21.
次に本発明の作用について説明する。Next, the operation of the present invention will be explained.
クランク軸１が回転すると、各コンロッドγ。When the crankshaft 1 rotates, each connecting rod γ.
８・・・は偏心軸Ｎ２及びそｎぞｎの基端部１１に設け
ら２ｔたビン１４？中心に回動自在となり、そｎぞ几の
ピストンピン２０全中心として軸心０がら偏心軸部２の
偏心量に応じた振幅で揺動する。8... is a 2t bottle 14 provided at the eccentric shaft N2 and the base end 11 of each of the eccentric shafts N2 and N2. It is rotatable about the center and swings with an amplitude corresponding to the amount of eccentricity of the eccentric shaft portion 2 from the axis 0, which is the entire center of the piston pin 20.
即ち、偏心軸部２及びそ几ぞ１ｔのビン１４は旋回運動
することになり、その旋回径が上述の振幅となり、また
ピストン１５・・・の往復動のストロークとなる。That is, the eccentric shaft portion 2 and the bottle 14 of its length 1t will undergo a turning motion, and the turning radius will have the above-mentioned amplitude, and will also correspond to the reciprocating stroke of the piston 15.
リング部材１３と一体的に成形さ’ｔ”ＩｊＣコンロッ
ドγは偏心軸部２が旋回運動し、その軌道は軸心ｏ２中
心として偏心全音その半径とする１円となる。In the IjC connecting rod γ integrally formed with the ring member 13, the eccentric shaft portion 2 rotates, and its orbit becomes one circle with the axis o2 as the center and the radius of the eccentric whole tone.
上述のコンロッド？［対して１８０°反対の位置にある
コンロッド８は、そのビン１４が旋回運動し、その軌道
はこｎに対応するシリンダ４方向に偏心量の２倍の短軸
？有する楕円？描くことになる。The connecting rod mentioned above? [On the other hand, the connecting rod 8, which is located 180 degrees opposite, has its pin 14 rotating, and its trajectory is on the short axis of twice the eccentricity in the direction of the cylinder 4 corresponding to this n? An ellipse with? I will draw it.
マタ、コンロッド９，１０もそγＬぞ几のビン１４が旋
回運動し、その軌道は偏心量全半径とする円を描くこと
になる。The connecting rods 9 and 10 as well as the cylinder 14 of γL rotate, and its orbit draws a circle with the entire radius of the eccentricity.
以上の説明よｐ明らかなように木兄りＪＩＣよ７１．ば
次の如き優ｆ′Ｌだ効果が発揮さｎる。From the above explanation, it is clear that the JIC is 71. The following effect is produced by the following excellent f'L.
（リ 回転駆動軸に形成さｎる偏心軸部の径方向に拡大
さｎる同−平向内に複数のシリンダを配置することがで
き、偏心軸ｆ！Ａ’にその軸方向に短縮することができ
る。(2) A plurality of cylinders can be arranged in the same plane, expanding in the radial direction of the eccentric shaft formed on the rotational drive shaft, and shortening in the axial direction to the eccentric shaft f!A'. be able to.
（２） ＊関全体の駆動軸方向の長さ全短縮でき小型
化及び軽量化が達成できる。(2) *The entire length of the drive shaft in the direction of the drive shaft can be completely shortened, making it possible to achieve smaller size and lighter weight.
第１図は従来の多気筒往復圧縮機の要部概略構成を示す
部分側断面図、第２図は本発明に係る多気筒往復圧縮機
の一笑施例倉示す部分平断面図、第３図は第２図の■−
■線側断面図、第４図及び第５図はそｎぞｎ本発明に係
るコネクティングロツドとリング部材との連結部におけ
る他の一実施例を示す側断面図である。
尚、図中１は回転駆動軸、２はその偏心軸部、１２はそ
の周側面、３，４，５．６はシリンダ、？、８，９．１
０はコネクテイノ。グロツド、１１はその基端部、１９
はその先端部、１３はリング部材である。
第１１×１
第２図FIG. 1 is a partial side cross-sectional view showing a schematic configuration of the main parts of a conventional multi-cylinder reciprocating compressor, FIG. 2 is a partial plan cross-sectional view showing an example of a multi-cylinder reciprocating compressor according to the present invention, and FIG. is ■− in Figure 2.
4 and 5 are respectively side sectional views showing other embodiments of the connecting portion between the connecting rod and the ring member according to the present invention. In the figure, 1 is the rotary drive shaft, 2 is its eccentric shaft, 12 is its circumferential surface, and 3, 4, 5.6 are cylinders. , 8, 9.1
0 is Connectino. grotto, 11 is its proximal end, 19
is its tip, and 13 is a ring member. 11×1 Figure 2
Claims (1)
転駆動軸の一部に偏心軸部全形成し、該偏心軸に、こｎ
全その周方向［沿って囲繞すると共にその周側面［摺接
するリング部材全嵌装し、該リング部材の端部に、その
周方向に宿って揺動自在に基端部が軸支さ′Ｉすると共
に、こ几ヨク上記各ンリンダに臨１せて匝方向外方へ延
出き几るコネクティングロッドン連結し、該コネクティ
ングロッドの先端部全上記各シリンダ内に設けら几るピ
ストンＶＣ連結して構成したこと全特徴とする多気筒往
復圧縮機。In a multi-cylinder reciprocating compressor having a plurality of cylinders, an eccentric shaft is formed entirely on a part of the rotary drive shaft, and this eccentric shaft is formed on the eccentric shaft.
A ring member that surrounds the entire circumferential direction [along with the circumferential surface [of the ring member] and slides in contact with the entire circumferential direction [I At the same time, a connecting rod extending outward in the direction of the box is connected to each cylinder, and the tip of the connecting rod is connected to a piston VC provided inside each cylinder. A multi-cylinder reciprocating compressor with all the features:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3083283A JPS59158389A (en) | 1983-02-28 | 1983-02-28 | Multi-cylinder reciprocating compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3083283A JPS59158389A (en) | 1983-02-28 | 1983-02-28 | Multi-cylinder reciprocating compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59158389A true JPS59158389A (en) | 1984-09-07 |
Family
ID=12314669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3083283A Pending JPS59158389A (en) | 1983-02-28 | 1983-02-28 | Multi-cylinder reciprocating compressor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59158389A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002070733A (en) * | 2000-08-28 | 2002-03-08 | Toshiba Kyaria Kk | Fluid compressor |
| KR100761277B1 (en) | 2005-07-29 | 2007-09-28 | 엘지전자 주식회사 | Modulation reciprocating compressor and refrigerator with this |
| EP4375508A1 (en) * | 2022-11-22 | 2024-05-29 | Officine Mario Dorin S.p.A | Modular reciprocating compressor with radial cylinders and innovative lubricant network |
-
1983
- 1983-02-28 JP JP3083283A patent/JPS59158389A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002070733A (en) * | 2000-08-28 | 2002-03-08 | Toshiba Kyaria Kk | Fluid compressor |
| KR100761277B1 (en) | 2005-07-29 | 2007-09-28 | 엘지전자 주식회사 | Modulation reciprocating compressor and refrigerator with this |
| EP4375508A1 (en) * | 2022-11-22 | 2024-05-29 | Officine Mario Dorin S.p.A | Modular reciprocating compressor with radial cylinders and innovative lubricant network |
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