JPH06288373A - Rolling piston type compressor - Google Patents

Rolling piston type compressor

Info

Publication number
JPH06288373A
JPH06288373A JP7926893A JP7926893A JPH06288373A JP H06288373 A JPH06288373 A JP H06288373A JP 7926893 A JP7926893 A JP 7926893A JP 7926893 A JP7926893 A JP 7926893A JP H06288373 A JPH06288373 A JP H06288373A
Authority
JP
Japan
Prior art keywords
roller
peripheral surface
vane
cylinder
spherical
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
JP7926893A
Other languages
Japanese (ja)
Inventor
Takeshi Odajima
毅 小田島
Isao Hayase
功 早瀬
Takeshi Kono
雄 幸野
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP7926893A priority Critical patent/JPH06288373A/en
Publication of JPH06288373A publication Critical patent/JPH06288373A/en
Pending legal-status Critical Current

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Abstract

PURPOSE:To bring a rotor into face contact with a vane and suppress the single facing of the vane or a crank pin by conducting the rotating support and spherical pair support of a roller constituting a compression part by the crank pin through a spherical support member and a spherical bush. CONSTITUTION:When the rotor part 7 of a motor is rotated, a crank shaft 8 fixed thereto is also rotated. A roller 9 supported by spherical pair through a spherical support member 11 and a spherical bush 12 revolves by the crank pin 8a of the crank shaft 8. Namely, the roller 9 revolves while oscillating around the center of the crank pin 8a so that an integrated vane 10 is regularly turned in the central line direction of a cylindrical hole part la in a cylinder 1. Thus, the volume of a compression chamber formed of the cylinder 1, the roller 9, the vane 10 and 2 plurality of plate members 2, 3 is increased and decreased. In this way, the roller 9 is integrated with the vane 10, and the roller 9 and the crank pin 8a are supported by spherical pair.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明はローリングピストン型の
容積型機械に係り、特に、冷凍機や空気調和機の冷凍サ
イクルに用いるのに好適なローリングピストン型圧縮機
に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rolling piston type positive displacement machine, and more particularly to a rolling piston type compressor suitable for use in a refrigeration cycle of a refrigerator or an air conditioner.

【0002】[0002]

【従来の技術】従来のローリングピストン型圧縮機は、
例えば、実開平3−129794 号公報に記載されている様
に、ローラとベーンとは完全に別体となっており、シリ
ンダに設けられたベーンスロットに滑動可能に組み込ま
れたベーンの先端円弧部を背圧やばね力によりローラの
円筒外周に線接触により押しつけて気密を維持する構造
であった。
2. Description of the Related Art A conventional rolling piston type compressor is
For example, as described in Japanese Utility Model Laid-Open No. 129794/1990, the roller and the vane are completely separate bodies, and the tip arc portion of the vane slidably incorporated in the vane slot provided in the cylinder. The air-tightness is maintained by pressing the roller against the outer circumference of the cylinder of the roller by back contact and spring force by line contact.

【0003】[0003]

【発明が解決しようとする課題】上記従来の技術では、
ベーンの先端円弧部がローラの円筒外周に線接触により
押しつけられるので局部的な面圧が非常に高く、過酷な
運転状態では摩耗・焼き付きが発生するという問題があ
った。
SUMMARY OF THE INVENTION In the above conventional technique,
Since the tip circular arc portion of the vane is pressed against the outer circumference of the cylinder of the roller by line contact, the local surface pressure is very high, and there is a problem that abrasion and seizure occur in severe operating conditions.

【0004】本発明の目的は、ローリングピストン型圧
縮機において、ベーン先端とローラ外周とが線接触しな
がら摺動するのを避け、発生するクランクピン部,ベー
ンいずれかの片当たり現象を抑制して過酷な摺動部を無
くし、組立の容易な構造にする事にある。
An object of the present invention is to prevent the tip of a vane from sliding while making line contact with the outer periphery of a roller in a rolling piston type compressor, and suppress the occurrence of one-sided contact phenomenon of either the crank pin portion or the vane. It is to eliminate the harsh sliding parts and make the structure easy to assemble.

【0005】[0005]

【課題を解決するための手段】上記目的を達成するた
め、本発明はベーンとローラとを、ベーンの平行な2平
面とローラの円筒状外周面の中心軸とが互いに平行とな
る状態で結合もしくは一体成形し、更にベーンを、シリ
ンダの円筒状内周面の中心軸と平行なシリンダ上の一軸
線廻りの揺動運動と前記一軸線を含む平面内での進退運
動が可能な様に、シリンダにより支持する構造とし、か
つ、ローラをローラ内周面に当接する円筒状外周面と球
状内周面とを有する球面支持部材、並びに、前記球面支
持部材の球状内周面に滑動可能に当接する球状外周面と
クランクピン部の円筒状外周面に当接する円筒状内周面
を有する前記球面ブッシュを介して、前記クランクピン
部により回転支持かつ球面対偶支持される構造とし、更
に、前記球面支持部材の円周方向の一部に切欠きを設け
る。
To achieve the above object, the present invention joins a vane and a roller in such a manner that two parallel planes of the vane and the central axis of the cylindrical outer peripheral surface of the roller are parallel to each other. Alternatively, it is integrally molded, and further, the vane is configured to be capable of swinging motion about one axis on the cylinder parallel to the central axis of the cylindrical inner peripheral surface of the cylinder and advancing / retreating motion within a plane including the one axis. A spherical support member having a structure of being supported by a cylinder and having a cylindrical outer peripheral surface that abuts the roller inner peripheral surface and a spherical inner peripheral surface, and slidably abutting on the spherical inner peripheral surface of the spherical support member. Through the spherical bush having the spherical outer peripheral surface in contact with the cylindrical outer peripheral surface of the crankpin portion and the spherical bush having the cylindrical inner peripheral surface in contact with the cylindrical outer peripheral surface of the crankpin portion, the crankpin portion is rotatably supported and spherically pair-supported. Support section Part of the circumferential direction to provide a notch.

【0006】[0006]

【作用】上記の課題を解決するための手段の構造におい
て、ローラの中心が駆動機構により公転運動をした時、
ローラはその中心軸廻りに微小量だけ揺動して結合もし
くは一体成形されたベーンをシリンダの円筒状内周面の
中心軸と平行なシリンダ上の一軸線の方向に向ける事が
可能である。この時、ベーンはシリンダ上の一軸線に対
してその廻りに微小量だけ揺動しながら進退運動を繰り
返す。ベーンの揺動運動と進退運動が可能な様にシリン
ダがベーンを支持する構造とする事により、ベーンとロ
ーラとを結合もしくは一体成形してもローラとシリンダ
との間の空間をベーンによって仕切る事が出来、ベーン
とローラとが全く摺動を行わずそれらの間で摩耗が発生
しないローリングピストン型圧縮機を構成する事が可能
となる。
In the structure of the means for solving the above problems, when the center of the roller orbits by the drive mechanism,
The roller can swing a small amount around its central axis to direct the vanes integrally coupled or integrally formed to one axis on the cylinder parallel to the central axis of the cylindrical inner peripheral surface of the cylinder. At this time, the vane repeats the forward / backward movement while swinging a minute amount around the one axis on the cylinder. The structure in which the cylinder supports the vane so that the vane can oscillate and move back and forth allows the space between the roller and the cylinder to be partitioned by the vane even if the vane and the roller are combined or integrally molded. Therefore, it is possible to construct a rolling piston type compressor in which the vane and the roller do not slide at all and wear does not occur between them.

【0007】また、ベーンとローラとを結合もしくは一
体成形した場合、その一体部材のベーン進退運動方向の
軸廻りの傾斜はベーンを支持する滑動部材の平面部とロ
ーラを支持するクランクピン部の円筒面とに同時に拘束
され、部品の加工精度の誤差等によりそれらの2つの拘
束部が同時に完全に密着する事が困難である事から必ず
いずれかの場所に片当たりが発生して耐久性の低下や組
立不能の問題が生じるが、上記の課題を解決するための
手段の構造においてはローラはクランクにより球面支持
部材と球面ブッシュとで構成された球面軸受で支持され
ているため、ローラとベーンとの一体部材のベーンの進
退運動方向の軸廻りの傾斜はベーンを支持する滑動部材
の平面部にのみ拘束され、過剰拘束による片当たりの発
生を抑制し、信頼性の向上を図ることができる。
When the vane and the roller are combined or integrally formed, the inclination of the integral member around the axis in the direction of movement of the vane is the cylinder of the crank pin portion that supports the flat portion of the sliding member that supports the vane and the roller. Since it is difficult to completely adhere the two constrained parts at the same time due to the fact that they are constrained at the same time with the surface and due to errors in the machining accuracy of parts, etc., one-sided contact will always occur at any place and the durability will deteriorate. However, in the structure of the means for solving the above problems, the roller is supported by the spherical bearing formed of the spherical support member and the spherical bush by the crank. The inclination around the axis of the vane advancing / retreating direction of the integral member is restricted only to the flat part of the sliding member that supports the vane, suppressing the occurrence of one-sided contact due to over-constraint. It is possible to improve the.

【0008】更に、球面支持部材の円周方向一部の切欠
きから球面ブッシュを内部に挿入することが出来るの
で、組立も容易となる。
Furthermore, since the spherical bush can be inserted into the inside from the notch in the circumferential direction of the spherical support member, the assembly becomes easy.

【0009】[0009]

【実施例】以下、本発明の実施例を図1ないし図6によ
り説明する。図1は本発明の実施例のローリングピスト
ン型圧縮機を示す側断面図で、図2は図1におけるI−
I断面図、図3は本発明の実施例における球面支持部材
並びに球面ブッシュの斜視図、図4は圧縮機駆動用のモ
ータを90°ずつ回転させた場合の図2における各部品
の動きを説明した図、図5は図1におけるポンプ部分の
拡大図、図6は従来のローリングピストン型圧縮機のポ
ンプ部分の断面図である。
Embodiments of the present invention will be described below with reference to FIGS. 1 is a side sectional view showing a rolling piston type compressor according to an embodiment of the present invention, and FIG.
1 is a sectional view, FIG. 3 is a perspective view of the spherical support member and the spherical bush in the embodiment of the present invention, and FIG. 4 is a description of the movement of each part in FIG. 2 when the motor for driving the compressor is rotated by 90 °. 5 is an enlarged view of the pump portion in FIG. 1, and FIG. 6 is a cross-sectional view of the pump portion of the conventional rolling piston type compressor.

【0010】図1ないし図5に示す本発明の実施例にお
いて、シリンダ1には中央部に円筒状の穴部1aが形成
されており、その両端部を閉塞する様に第1プレート部
材2と第2プレート部材3とがボルト4により固定され
ている。その際、第1プレート部材2,第2プレート部
材3の中央部のボス部2a,3aに形成された穴部2
b,3bの中心軸が、シリンダ1の円筒状の穴部1aの
中心軸と同軸となる様に固定されている。第1プレート
部材2と第2プレート部材3が固定されたシリンダ1の
外周部はチャンバ5に固定されている。チャンバ5に
は、また、圧縮機駆動用モータのステータ部6が固定さ
れている。穴部2b,3bにはクランクシャフト8が軸
受支持されており、クランクシャフト8の端部に固定さ
れたロータ部7の外周はステータ部6の内周に微小な隙
間を持って組み込まれ圧縮機用モータを形成している。
また、クランクシャフト8にはシリンダ1の円筒状穴部
1a中に対応した位置にクランクシャフト8の中心軸と
偏心した円筒形状のクランクピン部8aが形成されてい
る。ローラ9の内周には円筒状外周面と球面状内周面を
持つ球面支持部材11が挿入されており、球面支持部材
11により球面状外周面と円筒状内周面を持つ球面ブッ
シュ12が支持されて球面軸受を構成し、ローラ9,ク
ランクピン部8間を球面対偶支持している。
In the embodiment of the present invention shown in FIGS. 1 to 5, a cylinder 1 is formed with a cylindrical hole portion 1a at the center thereof, and a first plate member 2 and a first plate member 2 are formed so as to close both ends thereof. The second plate member 3 is fixed by bolts 4. At that time, the hole portion 2 formed in the boss portions 2a, 3a in the central portions of the first plate member 2 and the second plate member 3
The central axes of b and 3b are fixed so as to be coaxial with the central axis of the cylindrical hole 1a of the cylinder 1. The outer peripheral portion of the cylinder 1 to which the first plate member 2 and the second plate member 3 are fixed is fixed to the chamber 5. The stator 5 of the compressor driving motor is fixed to the chamber 5. The crankshaft 8 is bearing-supported in the holes 2b and 3b, and the outer periphery of the rotor portion 7 fixed to the end portion of the crankshaft 8 is incorporated in the inner periphery of the stator portion 6 with a minute gap, and the compressor is installed. Forming a motor for the.
Further, the crankshaft 8 is formed with a cylindrical crank pin portion 8a that is eccentric to the central axis of the crankshaft 8 at a position corresponding to the cylindrical hole portion 1a of the cylinder 1. A spherical support member 11 having a cylindrical outer peripheral surface and a spherical inner peripheral surface is inserted into the inner periphery of the roller 9, and a spherical bush 12 having a spherical outer peripheral surface and a cylindrical inner peripheral surface is inserted by the spherical support member 11. It is supported to form a spherical bearing, and the roller 9 and the crank pin portion 8 are supported as a spherical pair.

【0011】なお、球面支持部材11は図3に示すよう
に、その径の円周方向の一箇所に軸方向の球面ブッシュ
12の軸方向高さより大きな幅の切欠き11aを有して
いる。
As shown in FIG. 3, the spherical support member 11 has a notch 11a having a width larger than the axial height of the spherical bush 12 in the axial direction at one position in the circumferential direction of the diameter.

【0012】ローラ9の外周の1か所にはベーン10が
一体に溶接等の方法で固定されているが、その際にベー
ン10の平行な2平面がローラ9の中心軸と平行となる
様に固定されている。シリンダ1の円筒状内周面1aの
外側には円筒状内周面1aの中心軸と平行中心軸を持つ
円筒穴部1bが形成されており、円筒穴部1bのシリン
ダ中心側とその反対側とはそれぞれシリンダ中央部の空
間と円筒穴部1bの外側に設けた別の空間13に連通し
ている。ベーン10は円筒穴部1bと空間13とに挿入
されているが、ベーン10と円筒穴部1bとの間にはベ
ーン10の平面部に滑動可能に当接する平面部と円筒穴
部1bの円筒状内周面に滑動可能に当接する円筒状外周
面とを有する滑動部材14がベーン10をはさみ込んで
組み込まれており、この結果、ベーン10は円筒穴部1
bの中心軸方向進退運動と中心軸廻りの揺動運動とが可
能に、シリンダ1により支持されている。ベーン10の
ローラ9との結合部と反対側の先端部は空間13の中で
運動しシリンダ1と干渉する事は無い。
A vane 10 is integrally fixed to one location on the outer circumference of the roller 9 by welding or the like. At that time, two parallel planes of the vane 10 are parallel to the central axis of the roller 9. It is fixed to. A cylindrical hole portion 1b having a central axis parallel to the central axis of the cylindrical inner peripheral surface 1a is formed outside the cylindrical inner peripheral surface 1a of the cylinder 1, and the cylinder central portion of the cylindrical hole portion 1b and the opposite side thereof. Communicate with a space in the center of the cylinder and another space 13 provided outside the cylindrical hole 1b. The vane 10 is inserted into the cylindrical hole portion 1b and the space 13, but between the vane 10 and the cylindrical hole portion 1b, the flat surface portion slidably abutting on the flat surface portion of the vane 10 and the cylinder of the cylindrical hole portion 1b. A sliding member 14 having a cylindrical outer peripheral surface slidably abutting on the inner peripheral surface is incorporated with the vane 10 sandwiched therebetween, and as a result, the vane 10 is inserted into the cylindrical hole portion 1
It is supported by the cylinder 1 so that it can be moved back and forth in the direction of the central axis and swinging around the central axis. The tip portion of the vane 10 opposite to the connecting portion with the roller 9 moves in the space 13 and does not interfere with the cylinder 1.

【0013】以上の構成とする事により、圧縮機駆動用
モータのロータ部7が回転すると、これに固定されたク
ランクシャフト8も回転する。これに伴いクランクシャ
フト8に偏心して形成されたクランクピン部8aも回転
し、球面支持部材11並びに球面ブッシュ12を介して
球面対偶支持されたローラ9に公転運動が与えられる。
図4は圧縮機駆動用モータのロータ部7が90°ずつ回
転した時のローラ9とこれに一体になったベーン10の
運動を示した図であるが、ローラ9は一体となったベー
ン10が常にシリンダの円筒穴部1bの中心線方向を向
くようにクランクシャフト8のクランクピン部8aの中
心廻りに図4の面内で若干の角度だけ揺動運動を行いな
がらその中心が公転運動をする。ベーン10はシリンダ
1の円筒穴部1bの中心軸方向の進退運動と中心軸廻り
の揺動運動を行うが、ベーン10とシリンダ1の円筒穴
部1bとの間の隙間のシールは滑動部材14が挿入され
る事により保たれる。従って、シリンダ1,ローラ9,
ベーン10および第1プレート部材2,第2プレート部
材3とにより密閉空間である圧縮室が形成され、圧縮機
駆動用モータのロータ部7の回転に伴い、図4の様にそ
の容積の増減を繰り返す。
With the above arrangement, when the rotor portion 7 of the compressor driving motor rotates, the crankshaft 8 fixed to this also rotates. Along with this, the crank pin portion 8a formed eccentrically on the crank shaft 8 also rotates, and the roller 9 supported by the spherical pair is revolved through the spherical support member 11 and the spherical bush 12.
FIG. 4 is a view showing the movement of the roller 9 and the vane 10 integrated with the roller 9 when the rotor portion 7 of the compressor driving motor is rotated by 90 °. The roller 9 is integrated with the vane 10. While making a swinging motion around the center of the crank pin 8a of the crankshaft 8 by a slight angle in the plane of FIG. To do. The vane 10 moves forward and backward in the direction of the central axis of the cylindrical hole 1b of the cylinder 1 and swings around the central axis. However, the gap between the vane 10 and the cylindrical hole 1b of the cylinder 1 is sealed by the sliding member 14. Is kept by inserting. Therefore, cylinder 1, roller 9,
A compression chamber, which is a closed space, is formed by the vane 10, the first plate member 2 and the second plate member 3, and its volume is increased or decreased as shown in FIG. 4 as the rotor portion 7 of the compressor driving motor is rotated. repeat.

【0014】チャンバ5の両端開口部には第1サイドチ
ャンバ15と第2サイドチャンバ16とが溶接されて、
全体として密閉容器を形成している。作動気体は吸入口
17より圧縮機内に流入し、シリンダ1に形成された吸
入通路1cを通過した後、圧縮室容積の増減により圧縮
室内で吸入・圧縮され、第2プレート部材3に形成され
た吐出ポート(図示せず)から吐出弁18,吐出弁押さ
え19を通過して吐き出される。その後、モータ室を通
過して第2サイドチャンバ16に設けられた吐出口20
から圧縮機外に流出する。
A first side chamber 15 and a second side chamber 16 are welded to the openings at both ends of the chamber 5,
A closed container is formed as a whole. The working gas flows into the compressor through the suction port 17, passes through the suction passage 1c formed in the cylinder 1, and then is sucked / compressed in the compression chamber due to the increase / decrease in the volume of the compression chamber and is formed on the second plate member 3. It is discharged from a discharge port (not shown) through the discharge valve 18 and the discharge valve retainer 19. Then, the discharge port 20 provided in the second side chamber 16 is passed through the motor chamber.
Flows out of the compressor.

【0015】本実施例では、ローラ9とベーン10とを
一体にしているため、図6に示した従来構造例であるロ
ーラ22とベーン23が別体の構造に比べてローラとベ
ーンが離脱するのを防止するために必要であった予圧ば
ね24と背圧が不要になる。また、図6の構造ではベー
ン23先端とローラ22外周の接触部、ベーン23とシ
リンダ21のスリット部との接触部が線接触ないしそれ
に近い接触形態となるので、予圧ばね24と背圧および
ベーン23に直接作用する圧縮気体の圧力により局部的
な集中荷重が作用するのに対して、本実施例の構造では
ベーン10に直接作用する圧縮気体の圧力は滑動部材1
4を介したシリンダ1の円筒穴部1bと球面支持部材1
1並びに球面ブッシュ12を介したクランクシャフトの
クランクピン部8aとで支持する事になり、全て面接触
によって支持する事が出来る。すなわち、ベーン10周
りの摺動部の摺動面圧を従来構造に比べて低減し耐久性
を向上出来る。
In this embodiment, since the roller 9 and the vane 10 are integrated, the roller 22 and the vane 23 are separated from each other as compared with the conventional structure shown in FIG. The pre-load spring 24 and the back pressure, which were necessary to prevent the above, are no longer required. Further, in the structure of FIG. 6, since the contact portion between the tip of the vane 23 and the outer periphery of the roller 22 and the contact portion between the vane 23 and the slit portion of the cylinder 21 have a line contact or a contact form close thereto, the preload spring 24, the back pressure, and the vane. In contrast to the local concentrated load acting on the compressed gas pressure acting directly on 23, the pressure of the compressed gas acting directly on the vane 10 in the structure of the present embodiment is the sliding member 1.
The cylindrical hole 1b of the cylinder 1 and the spherical support member 1
1 and the crankpin portion 8a of the crankshaft via the spherical bush 12 and all of them can be supported by surface contact. That is, the sliding surface pressure of the sliding portion around the vane 10 can be reduced as compared with the conventional structure, and the durability can be improved.

【0016】また、ローラ9とベーン10とが一体とな
った構造を採用した場合、その一体部材のベーン進退運
動方向の軸廻りの傾斜は滑動部材14の平面部とローラ
を支持するクランクピン部8aの円筒面とに同時に拘束
され、部品の加工精度の誤差等によりそれら二つの拘束
部が同時に完全に密着する事が困難である事から必ずい
ずれかの場所に片当たりが発生して耐久性の低下や組立
不能の問題が生じるが、本実施例の構造ではローラ9と
クランクピン部8aは球面支持部材11並びに球面ブッ
シュ12を介して球面対偶で連結されているため、ロー
ラ9とベーン10との一体部材のベーン10の進退運動
方向の軸廻りの傾斜は滑動部材14の平面部にのみ拘束
され、過剰拘束による上記の問題が発生しない。
When the structure in which the roller 9 and the vane 10 are integrated is adopted, the inclination of the integral member about the axis in the vane advancing / retracting movement direction is determined by the plane portion of the sliding member 14 and the crank pin portion which supports the roller. 8a is constrained at the same time with the cylindrical surface, and it is difficult for these two constrained parts to come into complete close contact at the same time due to errors in the machining accuracy of the parts, etc. However, in the structure of this embodiment, since the roller 9 and the crank pin portion 8a are connected to each other by the spherical pair through the spherical support member 11 and the spherical bush 12, the roller 9 and the vane 10 are not connected. The inclination of the vane 10 around the axis in the advancing and retracting movement direction of the integral member is constrained only to the plane portion of the sliding member 14, and the above problem due to excessive restraint does not occur.

【0017】次に、本実施例によれば、球面支持部材1
1は図3に示すように、その円周方向の一箇所に軸方向
の球面ブッシュ12の軸方向高さより大きな幅の切欠き
11aを有しているため、球面支持部材11内部に球面ブ
ッシュ12を組み込む際には、球面支持部材11の切欠
き11aから球面ブッシュ12を挿入した後に、90°回
転させることにより内周球面部に外周球面部を容易に組
み込む事ができる。更に、本構造では球面支持部材11
の切欠き部11aは一箇所のみであり、その方向をロー
ラ9からクランクシャフト8に、荷重の作用しない方向
に固定する事によりローラ9からクランクシャフト8に
作用する荷重の方向がある範囲で変動しても、確実に力
を伝達することが出来る。
Next, according to the present embodiment, the spherical support member 1
As shown in FIG. 3, 1 is a notch having a width larger than the axial height of the spherical bush 12 in the axial direction at one position in the circumferential direction.
Since the spherical bush 12 has 11a, when the spherical bush 12 is incorporated into the spherical support member 11, the spherical bush 12 is inserted through the notch 11a of the spherical support member 11 and then rotated by 90 ° to form an inner spherical surface. The outer peripheral spherical portion can be easily incorporated into the. Further, in this structure, the spherical support member 11
There is only one notch portion 11a, and by fixing the direction from the roller 9 to the crankshaft 8 in a direction in which no load acts, the direction of the load acting from the roller 9 to the crankshaft 8 varies within a certain range. Even then, the force can be reliably transmitted.

【0018】また、球面支持部材11の切欠き部11a
の方向を荷重の作用しない方向に固定する方法として
は、例えば、図7に示すようにローラ9の内周面の荷重
の作用しない方向の任意位置に、突起25を設けること
により球面支持部材11の軸周りの回転を規制してそれ
を荷重の作用しない方向に固定することが出来る。
Further, the notch 11a of the spherical support member 11
As a method for fixing the direction in which the load does not act, for example, as shown in FIG. 7, the spherical support member 11 is provided by providing the protrusion 25 at an arbitrary position in the direction in which the load does not act on the inner peripheral surface of the roller 9. The rotation around the axis of can be regulated and it can be fixed in the direction in which the load does not act.

【0019】[0019]

【発明の効果】本発明によれば、ローリングピストン型
圧縮機において、耐久性が高く、組立の容易なローリン
グピストン型圧縮機を提供することが出来る。
According to the present invention, it is possible to provide a rolling piston type compressor which has high durability and is easy to assemble.

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

【図1】本発明の実施例のローリングピストン型圧縮機
の断面図。
FIG. 1 is a sectional view of a rolling piston compressor according to an embodiment of the present invention.

【図2】図1におけるI−I断面図。FIG. 2 is a sectional view taken along line I-I in FIG.

【図3】本発明の実施例における球面支持部材並びに球
面ブッシュの斜視図。
FIG. 3 is a perspective view of a spherical support member and a spherical bush in the embodiment of the present invention.

【図4】圧縮機駆動用のモータを90°ずつ回転させた
場合の図2における各部品の動きの説明図。
FIG. 4 is an explanatory view of the movement of each component in FIG. 2 when the motor for driving the compressor is rotated by 90 °.

【図5】図1におけるポンプ部分の拡大図。5 is an enlarged view of a pump portion in FIG.

【図6】従来のローリングピストン型圧縮機のポンプ部
分の断面図。
FIG. 6 is a cross-sectional view of a pump portion of a conventional rolling piston compressor.

【図7】球面支持部材の切欠き位置を固定するための一
実施例の説明図。
FIG. 7 is an explanatory view of an embodiment for fixing the notch position of the spherical support member.

【符号の説明】[Explanation of symbols]

1…シリンダ、1a…円筒状内周面、2…第1プレート
部材、2a…ボス部、2b…穴部、3…第2プレート部
材、3a…ボス部、3b…穴部、4…ボルト、5…チャ
ンバ、6…モータのステータ部、7…モータのロータ
部、8…クランクシャフト、8a…シャフトピン部、9
…ローラ、10…ベーン、11…球面支持部材、11a
…切欠き、12…球面ブッシュ、15…第1サイドチャ
ンバ、16…第2サイドチャンバ、18…吐出弁、19
…吐出弁押さえ、20…吐出口。
DESCRIPTION OF SYMBOLS 1 ... Cylinder 1a ... Cylindrical inner peripheral surface 2 ... 1st plate member, 2a ... Boss part, 2b ... Hole part, 3 ... 2nd plate member, 3a ... Boss part, 3b ... Hole part, 4 ... Bolt, 5 ... Chamber, 6 ... Motor stator part, 7 ... Motor rotor part, 8 ... Crank shaft, 8a ... Shaft pin part, 9
... Roller, 10 ... Vane, 11 ... Spherical support member, 11a
... Notch, 12 ... Spherical bush, 15 ... First side chamber, 16 ... Second side chamber, 18 ... Discharge valve, 19
... Discharge valve retainer, 20 ... Discharge port.

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】円筒状内周面を持つシリンダと、前記シリ
ンダの円筒状内周面の両端部を閉塞する複数のサイドプ
レートと、前記シリンダと前記複数のサイドプレートと
に囲まれた空間の中でその円筒状外周面が前記シリンダ
の円筒状内周面と常に微小な隙間を維持しながら公転運
動をするローラと、前記ローラに公転運動を与える駆動
機構部品であるクランクシャフトと、前記シリンダの円
筒状内周面と前記ローラの円筒状外周面と前記複数のサ
イドプレートとにより囲まれた密閉空間を更に複数の密
閉空間に仕切るベーンとを構成要素に持ち、前記ローラ
の公転運動に伴い前記複数の密閉空間のそれぞれの容積
が変化する事を利用して気体の圧縮を行うローリングピ
ストン型圧縮機であって、前記ベーンと前記ローラと
は、前記ベーンの平行な2平面と前記ローラの円筒状外
周面の中心軸とが互いに平行となる状態で、結合もしく
は一体成形されており、前記ベーンは、前記シリンダの
円筒状内周面の中心軸と平行な前記シリンダ上の一軸線
廻りの揺動運動と前記一軸線を含む平面内での進退運動
が可能な様に、前記シリンダにより支持される構造であ
るローリングピストン型圧縮機において、前記ローラ
は、前記ローラに設けた円筒状内周面に当接する円筒状
外周面と球状内周面とを有する球面支持部材、並びに、
前記球面支持部材の球状内周面に滑動可能に当接する球
状外周面と駆動機構部品であるクランクシャフトのクラ
ンクピン部の円筒状外周面に当接する円筒状内周面を有
する球面ブッシュを介して、前記クランクピン部により
回転支持かつ球面対偶支持される構造である事を特徴と
するローリングピストン型圧縮機。
1. A cylinder having a cylindrical inner peripheral surface, a plurality of side plates closing both ends of the cylindrical inner peripheral surface of the cylinder, and a space surrounded by the cylinder and the plurality of side plates. Among them, a roller whose orbital cylindrical outer surface makes an orbital motion while always maintaining a minute gap with the cylindrically inner surface of the cylinder, a crankshaft which is a drive mechanism component for giving an orbital motion to the roller, and the cylinder. A cylindrical inner peripheral surface of the roller, a cylindrical outer peripheral surface of the roller and a vane for partitioning the enclosed space surrounded by the plurality of side plates into a plurality of enclosed spaces, which are associated with the revolution movement of the roller. A rolling piston type compressor that compresses gas by utilizing the change in volume of each of the plurality of closed spaces, wherein the vane and the roller are flat blades of the vane. Two flat surfaces and the central axis of the cylindrical outer peripheral surface of the roller are parallel to each other or integrally molded, and the vane is parallel to the central axis of the cylindrical inner peripheral surface of the cylinder. In a rolling piston compressor having a structure that is supported by the cylinder so as to allow a swinging motion around a single axis on the cylinder and a reciprocating motion within a plane including the single axis, the roller is the roller. A spherical support member having a cylindrical outer peripheral surface and a spherical inner peripheral surface that are in contact with the cylindrical inner peripheral surface, and
Via a spherical bush having a spherical outer peripheral surface slidably contacting the spherical inner peripheral surface of the spherical support member and a cylindrical inner peripheral surface contacting the cylindrical outer peripheral surface of the crankpin portion of the crankshaft which is a drive mechanism component. A rolling piston type compressor having a structure in which it is rotatably supported and spherically paired by the crank pin portion.
JP7926893A 1993-04-06 1993-04-06 Rolling piston type compressor Pending JPH06288373A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7926893A JPH06288373A (en) 1993-04-06 1993-04-06 Rolling piston type compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7926893A JPH06288373A (en) 1993-04-06 1993-04-06 Rolling piston type compressor

Publications (1)

Publication Number Publication Date
JPH06288373A true JPH06288373A (en) 1994-10-11

Family

ID=13685121

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7926893A Pending JPH06288373A (en) 1993-04-06 1993-04-06 Rolling piston type compressor

Country Status (1)

Country Link
JP (1) JPH06288373A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996013666A1 (en) * 1994-10-31 1996-05-09 Daikin Industries, Ltd. Rotary compressor and refrigerating apparatus
CN105545741A (en) * 2016-01-26 2016-05-04 珠海格力节能环保制冷技术研究中心有限公司 Swinging rotor compressor
CN110439814A (en) * 2019-08-27 2019-11-12 黄石东贝电器股份有限公司 Compressor rolling bearing rotor assembly

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996013666A1 (en) * 1994-10-31 1996-05-09 Daikin Industries, Ltd. Rotary compressor and refrigerating apparatus
CN1071852C (en) * 1994-10-31 2001-09-26 大金工业株式会社 Rotary compressor and refrigerating apparatus
KR100372043B1 (en) * 1994-10-31 2003-06-09 다이낑 고오교 가부시키가이샤 Rotary compressors and freezers
CN105545741A (en) * 2016-01-26 2016-05-04 珠海格力节能环保制冷技术研究中心有限公司 Swinging rotor compressor
CN110439814A (en) * 2019-08-27 2019-11-12 黄石东贝电器股份有限公司 Compressor rolling bearing rotor assembly

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