JPWO2021100165A5 - - Google Patents

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JPWO2021100165A5
JPWO2021100165A5 JP2021558112A JP2021558112A JPWO2021100165A5 JP WO2021100165 A5 JPWO2021100165 A5 JP WO2021100165A5 JP 2021558112 A JP2021558112 A JP 2021558112A JP 2021558112 A JP2021558112 A JP 2021558112A JP WO2021100165 A5 JPWO2021100165 A5 JP WO2021100165A5
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vane
cylinder
spring guide
rotary compressor
spring
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JPWO2021100165A1 (en
JP7146116B2 (en
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本発明に係る回転式圧縮機は、密閉容器と、密閉容器に収容される環状のシリンダと、シリンダの内周面に沿って偏心回転するローリングピストンと、シリンダに径方向に設けられたベーン溝内を往復運動するベーンと、ベーンを付勢してベーンの先端部をローリングピストンに当接させるベーンばねと、密閉容器に一端側が固定され、他端側が密閉容器の外方に突出した突出部と、突出部の密閉容器に固定される側とは反対側の端部に取り付けられ、端部を閉塞する蓋部と、ベーンばねが内部に固定される筒状のスプリングガイドとを備え、スプリングガイドは、突出部および蓋部と接触することなく突出部の内部に配置され、また、密閉容器を貫通してり、スプリングガイドの密閉容器の内部側の一端部が、シリンダの外周面に形成された固定凹部に固定されているものである。 The rotary compressor according to the present invention includes a closed container, an annular cylinder housed in the closed container, a rolling piston that rotates eccentrically along the inner peripheral surface of the cylinder, and a vane groove provided in the cylinder in the radial direction. A vane that reciprocates inside, a vane spring that urges the vane to bring the tip of the vane into contact with the rolling piston, and a protruding part whose one end is fixed to the closed container and the other end protrudes outward from the closed container. A spring is provided with a lid that is attached to the end of the protrusion opposite to the side fixed to the closed container and closes the end, and a cylindrical spring guide in which the vane spring is fixed inside. The guide is arranged inside the protrusion without contacting the protrusion and the lid, and penetrates the closed container, and one end of the spring guide on the inner side of the closed container is on the outer peripheral surface of the cylinder. It is fixed in the formed fixing recess.

Claims (15)

密閉容器と、
前記密閉容器に収容される環状のシリンダと、
前記シリンダの内周面に沿って偏心回転するローリングピストンと、
前記シリンダに径方向に設けられたベーン溝内を往復運動するベーンと、
前記ベーンを付勢して前記ベーンの先端部をローリングピストンに当接させるベーンばねと、
前記密閉容器に一端側が固定され、他端側が前記密閉容器の外方に突出した突出部と、
前記突出部の前記密閉容器に固定される側とは反対側の端部に取り付けられ、前記端部を閉塞する蓋部と、
前記ベーンばねが内部に固定される筒状のスプリングガイドとを備え、
前記スプリングガイドは、前記突出部および前記蓋部と接触することなく前記突出部の内部に配置され、また、前記密閉容器を貫通してり、前記スプリングガイドの前記密閉容器の内部側の一端部が、前記シリンダの外周面に形成された固定凹部に固定されている回転式圧縮機。
With a closed container
An annular cylinder housed in the closed container and
A rolling piston that rotates eccentrically along the inner peripheral surface of the cylinder,
A vane that reciprocates in a vane groove provided in the cylinder in the radial direction,
A vane spring that urges the vane to bring the tip of the vane into contact with the rolling piston.
One end side is fixed to the closed container, and the other end side protrudes outward from the closed container.
A lid that is attached to the end of the protrusion on the side opposite to the side fixed to the closed container and closes the end.
It is provided with a cylindrical spring guide to which the vane spring is fixed inside.
The spring guide is arranged inside the protruding portion without contacting the protruding portion and the lid portion, and also penetrates the closed container, and one end of the spring guide on the inner side of the closed container. A rotary compressor whose portion is fixed in a fixed recess formed on the outer peripheral surface of the cylinder.
前記密閉容器には、前記スプリングガイドを通す開口部が形成されており、前記開口部の内径は、前記スプリングガイドの外径よりも大きく構成され、前記スプリングガイドは、前記密閉容器に接触せずに前記シリンダに固定されている請求項1記載の回転式圧縮機。 The closed container is formed with an opening through which the spring guide is passed, the inner diameter of the opening is larger than the outer diameter of the spring guide, and the spring guide does not come into contact with the closed container. The rotary compressor according to claim 1, which is fixed to the cylinder. 前記固定凹部の径は、前記スプリングガイドの前記一端部の外径よりも小さく構成され、前記スプリングガイドは前記シリンダに圧入固定されている請求項1または請求項2記載の回転式圧縮機。 The rotary compressor according to claim 1 or 2, wherein the diameter of the fixing recess is smaller than the outer diameter of the one end portion of the spring guide, and the spring guide is press-fitted and fixed to the cylinder. 前記スプリングガイドの前記一端部の外周面は、前記スプリングガイドの内周面よりも粗度が大きい請求項3記載の回転式圧縮機。 The rotary compressor according to claim 3, wherein the outer peripheral surface of the one end portion of the spring guide has a roughness higher than that of the inner peripheral surface of the spring guide. 前記スプリングガイドの前記一端部の外周面、前記シリンダの前記固定凹部の内周面、前記スプリングガイドと前記シリンダとの連接角部、の一部または全部に金属接着剤を備えた請求項1~請求項4のいずれか一項に記載の回転式圧縮機。 Claims 1 to 1, wherein a metal adhesive is provided on a part or all of the outer peripheral surface of the one end portion of the spring guide, the inner peripheral surface of the fixing recess of the cylinder, and the connecting angle portion between the spring guide and the cylinder. The rotary compressor according to any one of claims 4. 前記スプリングガイドの前記一端部の外周面と、前記シリンダの前記固定凹部の内周面とには、互いに異なる方向の溝または加工痕が形成されている請求項1~請求項5のいずれか一項に記載の回転式圧縮機。 One of claims 1 to 5, wherein grooves or machining marks in different directions are formed on the outer peripheral surface of the one end portion of the spring guide and the inner peripheral surface of the fixing recess of the cylinder. The rotary compressor described in the section. 前記スプリングガイドの前記一端部の外周面および前記シリンダの前記固定凹部の内周面の一方には雄ねじ部、他方には雌ねじ部が形成され、前記雄ねじ部と前記雌ねじ部とのねじ締結により前記スプリングガイドが前記シリンダに固定されている請求項1または請求項2記載の回転式圧縮機。 A male screw portion is formed on one of the outer peripheral surface of the one end portion of the spring guide and the inner peripheral surface of the fixing recess of the cylinder, and a female screw portion is formed on the other. The rotary compressor according to claim 1 or 2, wherein the spring guide is fixed to the cylinder. 前記雄ねじ部は、ねじ山の中心が片側に傾いた非対称ねじである請求項7記載の回転式圧縮機。 The rotary compressor according to claim 7, wherein the male thread portion is an asymmetric thread in which the center of the thread is inclined to one side. 前記雄ねじ部の前記ねじ山は、一部は前記径方向の内側に、一部は前記径方向の外側に傾いている請求項8記載の回転式圧縮機。 The rotary compressor according to claim 8, wherein the thread of the male screw portion is partially inclined inward in the radial direction and partially inward in the radial direction. 前記スプリングガイドは、前記ベーン溝を前記径方向に延長した位置に、前記ベーンが通過するベーン通過部を備えている請求項1~請求項9のいずれか一項に記載の回転式圧縮機。 The rotary compressor according to any one of claims 1 to 9, wherein the spring guide is provided with a vane passing portion through which the vane passes at a position where the vane groove is extended in the radial direction. 前記スプリングガイドの前記ベーン通過部は、前記スプリングガイドの前記一端部側の端面から前記スプリングガイドの軸方向に形成されたスリットであり、前記ベーン通過部の底面に前記ベーンが接触した状態において、前記ベーンばねの長さが、前記ベーンばねを構成する線材が互いに密着した密着長さとならないように前記ベーン通過部の底面の位置が設定されている請求項10記載の回転式圧縮機。 The vane passing portion of the spring guide is a slit formed in the axial direction of the spring guide from the end surface of the spring guide on the one end side, and the vane is in contact with the bottom surface of the vane passing portion. The rotary compressor according to claim 10, wherein the position of the bottom surface of the vane passing portion is set so that the length of the vane spring does not become the close contact length in which the wires constituting the vane spring are in close contact with each other. 請求項1~請求項11のいずれか一項に記載の回転式圧縮機を備えた冷凍サイクル装置。 The refrigeration cycle apparatus provided with the rotary compressor according to any one of claims 1 to 11. 密閉容器内に環状のシリンダを固定するとともに、前記シリンダ内に前記シリンダの内周面に沿って偏心回転するローリングピストンを挿入する工程と、
前記シリンダに形成されたベーン溝にベーンを挿入する工程と、
前記ベーンを付勢して前記ベーンの先端部を前記ローリングピストンに当接させるベーンばねが内部に固定されるスプリングガイドの一端部を、前記密閉容器に形成された開口部を通して前記密閉容器の外部から挿入し、前記シリンダにおいて前記開口部に対向して設けられた固定凹部に固定する工程と、
前記スプリングガイド内に前記ベーンばねを固定する工程と
前記密閉容器には、筒状の突出部が前記密閉容器の外方に突出して設けられており、前記スプリングガイドが前記突出部の内部に配置された状態で、前記突出部の前記密閉容器に固定される側とは反対側の端部に、前記端部を閉塞する蓋部を接合する工程とを備え、
前記スプリングガイドは、前記突出部および前記蓋部と接触することなく前記突出部の内部に配置されている回転式圧縮機の製造方法。
A process of fixing an annular cylinder in a closed container and inserting a rolling piston that rotates eccentrically along the inner peripheral surface of the cylinder into the cylinder.
The step of inserting the vane into the vane groove formed in the cylinder, and
One end of a spring guide to which a vane spring for urging the vane to bring the tip of the vane into contact with the rolling piston is fixed inside the closed container through an opening formed in the closed container. The step of inserting from the cylinder and fixing it in the fixing recess provided facing the opening in the cylinder.
The process of fixing the vane spring in the spring guide and
The closed container is provided with a cylindrical protrusion protruding outward from the closed container, and the spring guide is arranged inside the protruding portion in the closed container of the protruding portion. A step of joining a lid portion that closes the end portion to the end portion on the side opposite to the fixed side is provided.
A method for manufacturing a rotary compressor in which the spring guide is arranged inside the protrusion without contacting the protrusion and the lid .
前記シリンダ、前記ローリングピストン、前記ベーン、前記ベーンばねおよび前記スプリングガイドを圧縮機構と定義したとき、前記回転式圧縮機は、前記圧縮機構を複数備えており、
各圧縮要素のそれぞれの前記シリンダに前記ベーンばねを固定する際には、前記ローリングピストンの外周面と前記シリンダの内周面との接触位置が、前記ベーンの配置位置の位相から180°異なる位相の位置となるように前記ローリングピストンの位置を移動させて行う請求項13記載の回転式圧縮機の製造方法。
When the cylinder, the rolling piston, the vane, the vane spring, and the spring guide are defined as compression mechanisms, the rotary compressor includes a plurality of the compression mechanisms.
When fixing the vane spring to the cylinder of each compression element, the contact position between the outer peripheral surface of the rolling piston and the inner peripheral surface of the cylinder differs by 180 ° from the phase of the vane placement position. The method for manufacturing a rotary compressor according to claim 13, wherein the position of the rolling piston is moved so as to be at the position of.
前記シリンダ、前記ローリングピストン、前記ベーン、前記ベーンばねおよび前記スプリングガイドを圧縮機構と定義したとき、前記回転式圧縮機は、前記圧縮機構を複数備えており、
各圧縮要素のそれぞれの前記シリンダに前記ベーンばねを固定する際には、前記ローリングピストンの外周面と前記シリンダの内周面との接触位置が、前記ベーンの配置位置の位相から90°異なる位相の位置となるように前記ローリングピストンの位置を移動させて行う請求項13記載の回転式圧縮機の製造方法。
When the cylinder, the rolling piston, the vane, the vane spring, and the spring guide are defined as compression mechanisms, the rotary compressor includes a plurality of the compression mechanisms.
When fixing the vane spring to the cylinder of each compression element, the contact position between the outer peripheral surface of the rolling piston and the inner peripheral surface of the cylinder differs from the phase of the vane placement position by 90 °. The method for manufacturing a rotary compressor according to claim 13, wherein the position of the rolling piston is moved so as to be at the position of.
JP2021558112A 2019-11-21 2019-11-21 Rotary compressor, refrigeration cycle device, and method for manufacturing rotary compressor Active JP7146116B2 (en)

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