JPH0712073A - Compressor - Google Patents

Abstract

PURPOSE:To disperse friction pressure, and reduce abrasion in a machine part by housing a motor-driven element, a compression element and a feed oil device in a sealed condition in a sealed container, and forming a recessed part on a vane tip surface coming into contact with a roller constituting the compression element. CONSTITUTION:In a compression element housed in a sealed condition in a sealed container together with a motor-driven element and a feed oil device, volume of an operation chamber partitioned by a vane 12 is expanded and contracted in order by eccentric rotation of a roller by a crank shaft connected to a rotor of the motor-driven element, and refrigerant sucked in by this is compressed and delivered. The vane 12 is brought into pressure contact with the roller by spring force, and oil is supplied by a feed oil device. In this case, a recessed part 27 is formed on a tip surface coming into contact with the roller 11 of the vane 12. Thereby, friction pressure is dispersed, and abrasion of a machine part is reduced. Plural ball bearings may be arranged on the tip surface of the vane 12, or a bar shape bearing may be arranged.

Description

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

【０００１】[0001]

【産業上の利用分野】本発明は冷蔵庫，空気調和器等の
冷凍装置に使用され、密閉容器内に電動要素と圧縮要素
と給油装置等を密閉した圧縮機に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a compressor used in a refrigerating device such as a refrigerator or an air conditioner, in which an electric element, a compression element and an oil supply device are enclosed in a closed container.

【０００２】[0002]

【従来の技術】図５は特開昭62−43095号公報に示され
ている横型回転圧縮機の断面図であり図６は図５の横型
回転圧縮機を適用した冷凍システム図、図７は図５の要
部拡大断面図である。2. Description of the Related Art FIG. 5 is a sectional view of a horizontal rotary compressor disclosed in Japanese Patent Laid-Open No. 62-43095, FIG. 6 is a refrigeration system diagram to which the horizontal rotary compressor of FIG. 5 is applied, and FIG. It is a principal part expanded sectional view of FIG.

【０００３】図５ないし図７において、１は横手方向に
長い略円筒形の密閉容器で、ステータ２およびロータ３
からなる電動要素４、および前記電動要素４によって駆
動される圧縮要素５が収納されている。６はオイルで、
密閉容器１の下方に溜まっている。７はシリンダ、８は
主サイドハウジング、９は副サイドハウジングで、シリ
ンダ７の両側に密着され圧縮室10を形成する。14は前記
ロータ３と結合されたクランク軸で、偏心部15を有す
る。11は偏心部15に装着されたローラで、圧縮室10に内
接している。12はベーンで、図７に示すようにシリンダ
７を切り欠きベーン12を収納し、稼動可能な寸法を確保
したベーン溝12Ａの中に入り、バネ13にてローラ11に圧
接されることで、前記圧縮室10を高低圧側に仕切ってい
る。In FIG. 5 to FIG. 7, reference numeral 1 denotes a substantially cylindrical hermetic container having a lengthwise direction and a stator 2 and a rotor 3.
The electric element 4 and the compression element 5 driven by the electric element 4 are housed. 6 is oil,
It is accumulated below the closed container 1. Reference numeral 7 is a cylinder, 8 is a main side housing, and 9 is a sub side housing, which are closely attached to both sides of the cylinder 7 to form a compression chamber 10. Reference numeral 14 is a crankshaft connected to the rotor 3 and has an eccentric portion 15. Reference numeral 11 denotes a roller attached to the eccentric portion 15, which is inscribed in the compression chamber 10. Reference numeral 12 is a vane. As shown in FIG. 7, the cylinder 7 is cut out to accommodate the vane 12, and the vane 12 is inserted into a vane groove 12A having an operable size and is pressed against the roller 11 by a spring 13, The compression chamber 10 is partitioned into high and low pressure sides.

【０００４】18は給油管で、一端は前記オイル６に侵入
し内部に前記クランク軸14に固定されたコイルスプリン
グ19が配置されている。20は副サイドハウジング９に設
けられた吐出バルブである。16は吐出カバーであり、吐
出カバー16のカップ状部吐出チャンバーとして形成して
いる。前記吐出チャンバーの中央部には湾曲した給油管
18が固定され前記吐出カバー16と一体化され、前記副サ
イドハウジング９の凸状部に軽く圧入固定されている。
21は吸込管であり、前記密閉容器１を貫通し前記オイル
６上方に位置し、前記副サイドハウジング９に設けられ
た前記シリンダ７の圧縮室10に通ずる貫通孔に圧入され
ている。Reference numeral 18 denotes an oil supply pipe, and one end of the oil supply pipe penetrates into the oil 6 and a coil spring 19 fixed to the crankshaft 14 is arranged therein. Reference numeral 20 is a discharge valve provided in the auxiliary side housing 9. A discharge cover 16 is formed as a cup-shaped discharge chamber of the discharge cover 16. A curved oil supply pipe in the center of the discharge chamber
18 is fixed and integrated with the discharge cover 16, and is lightly press-fitted and fixed to the convex portion of the sub-side housing 9.
Reference numeral 21 denotes a suction pipe, which penetrates the closed container 1 and is located above the oil 6 and is press-fitted into a through hole communicating with the compression chamber 10 of the cylinder 7 provided in the sub-side housing 9.

【０００５】また、図６に示す23は前記吐出管22に配管
された凝縮器、24はキャピラリーチューブ、25は蒸発
器、26は前記蒸発器25と前記吸込管21を連結する連結管
であり、以上により冷凍システムを構成している。Reference numeral 23 shown in FIG. 6 is a condenser connected to the discharge pipe 22, 24 is a capillary tube, 25 is an evaporator, and 26 is a connecting pipe for connecting the evaporator 25 and the suction pipe 21. The above constitutes the refrigeration system.

【０００６】以上のような構成において、ロータ３の回
転はクランク軸14に伝わり、前記クランク軸14に固定さ
れているコイルスプリング19が副サイドハウジング９に
吐出カバー16と一体化固定された給油管18に規制されて
湾曲形状を保ったまま回転し、オイル６がコイルスプリ
ング19のリード端より、順次、クランク軸14へ給油され
る。吸込管21より吸入されて圧縮室10で圧縮された冷媒
は、前記副サイドハウジング９に設けられた吐出バルブ
20から吐出チャンバー内に吐き出されることにより、消
音され吐出カバー16より密閉容器１内に放出され、吐出
管22，凝縮器23，キャピラリーチューブ24，蒸発器25，
連結管26により再び吸込管21に冷媒が吸入される。In the above structure, the rotation of the rotor 3 is transmitted to the crankshaft 14, and the coil spring 19 fixed to the crankshaft 14 is fixed to the auxiliary side housing 9 integrally with the discharge cover 16 to provide the oil supply pipe. It is regulated by 18 and rotates while maintaining its curved shape, and the oil 6 is supplied to the crankshaft 14 sequentially from the lead end of the coil spring 19. The refrigerant sucked through the suction pipe 21 and compressed in the compression chamber 10 is a discharge valve provided in the sub-side housing 9.
By being discharged from the discharge chamber 20 into the discharge chamber, the sound is silenced and discharged from the discharge cover 16 into the closed container 1, and the discharge pipe 22, the condenser 23, the capillary tube 24, the evaporator 25,
The refrigerant is sucked into the suction pipe 21 again by the connecting pipe 26.

【０００７】[0007]

【発明が解決しようとする課題】しかしながら、図７の
拡大断面図から分かるように、従来の構成では、ローラ
11とベーン12は運転中は常に接触しており、油量が少な
い場合など、油供給量が不足し、潤滑効果が低下し、機
械部摩耗が促進されるという問題があった。However, as can be seen from the enlarged cross-sectional view of FIG.
Since the 11 and the vanes 12 are constantly in contact with each other during operation, there is a problem that the oil supply amount is insufficient such as when the oil amount is small, the lubrication effect is reduced, and the wear of the mechanical part is accelerated.

【０００８】本発明は上記従来の課題を解決することを
目的とする。An object of the present invention is to solve the above conventional problems.

【０００９】[0009]

【課題を解決するための手段】本発明は上記課題を解決
するために、圧縮機のローラ11とベーン12の接触部のベ
ーン12の先端部に凹部を設ける。In order to solve the above problems, the present invention provides a recess at the tip of the vane 12 at the contact portion between the roller 11 and the vane 12 of the compressor.

【００１０】また、ローラ11に接するベーン12の先端面
に複数の曲面を有する凸部を設ける。Further, a convex portion having a plurality of curved surfaces is provided on the tip end surface of the vane 12 which is in contact with the roller 11.

【００１１】また、ローラ11に接するベーン12の先端面
に複数のボールベアリングを設ける。Further, a plurality of ball bearings are provided on the tip surface of the vane 12 which is in contact with the roller 11.

【００１２】また、ローラ11に接するベーン12の先端面
に棒状ベアリングを設ける。Further, a bar-shaped bearing is provided on the tip end surface of the vane 12 which is in contact with the roller 11.

【００１３】[0013]

【作用】本発明によれば、ローラ11に接するベーン12の
先端面に凹部を設けたことにより摩擦圧力を分散し、機
械部の摩耗を促進させない。According to the present invention, since the vane 12 which is in contact with the roller 11 is provided with the concave portion on the tip end surface thereof, the frictional pressure is dispersed and the abrasion of the mechanical portion is not promoted.

【００１４】また、ローラ11に接するベーン12の先端面
に複数の曲面を有する凸部を設けたことにより、油供給
が円滑になり機械部の摩耗を促進させない。Further, by providing the convex portion having a plurality of curved surfaces on the tip end surface of the vane 12 in contact with the roller 11, the oil supply becomes smooth and the abrasion of the mechanical portion is not promoted.

【００１５】また、ローラ11に接するベーン12の先端面
に複数のボールベアリングを設けたことにより、油供給
が円滑になり機械部の摩耗を促進させない。Further, by providing a plurality of ball bearings on the tip end surface of the vane 12 which is in contact with the roller 11, the oil supply becomes smooth and the abrasion of the mechanical portion is not promoted.

【００１６】また、ローラ11に接するベーン12の先端面
に棒状ベアリングを設けたことにより、油供給が円滑に
なり機械部の摩耗を促進させない。Further, since the rod-shaped bearing is provided on the tip end surface of the vane 12 which is in contact with the roller 11, the oil supply becomes smooth and the abrasion of the mechanical portion is not promoted.

【００１７】[0017]

【実施例】以下、本発明の各実施例を示す図１ないし図
４に従い説明する。なお、従来例と同一部分については
同一番号を付し、説明を省略する。図１は本発明の第１
の実施例の要部拡大斜視図である。図１において、27は
ローラ11に接するベーン12の先端面に設けた凹部であ
る。これはローラ11に接するベーン12の先端面に所定寸
法以上の凹部27を設けたことにより摩擦圧力を分散し、
機械部の摩耗を促進させない。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention will be described below with reference to FIGS. The same parts as those in the conventional example are designated by the same reference numerals, and the description thereof will be omitted. FIG. 1 shows the first of the present invention.
It is a principal part expansion perspective view of the Example of. In FIG. 1, 27 is a recess provided on the tip surface of the vane 12 that contacts the roller 11. This is to disperse the friction pressure by providing a concave portion 27 having a predetermined size or more on the tip surface of the vane 12 contacting the roller 11,
Does not promote wear of mechanical parts.

【００１８】図２は本発明の第２の実施例の要部拡大斜
視図である。図２において、28はローラ11に接するベー
ン12の先端面に設けた複数の曲面を有する凸部である。
これはローラ11に接するベーン12の先端面に複数の曲面
を有する凸部28を設けたことにより、油供給が円滑にな
り機械部の摩耗を促進させない。FIG. 2 is an enlarged perspective view of the essential parts of the second embodiment of the present invention. In FIG. 2, reference numeral 28 is a convex portion having a plurality of curved surfaces provided on the tip end surface of the vane 12 which is in contact with the roller 11.
This is because the vane 12 in contact with the roller 11 is provided with the convex portion 28 having a plurality of curved surfaces on the tip end surface thereof, so that the oil supply becomes smooth and the abrasion of the mechanical portion is not promoted.

【００１９】図３は本発明の第３の実施例の要部拡大斜
視図である。図３において、29はローラ11に接するベー
ン12の先端面に設けた複数のボールベアリングである。
これはローラ11に接するベーン12の先端面に複数のボー
ルベアリング29を設けたことにより、油供給が円滑にな
り機械部の摩耗を促進させない。FIG. 3 is an enlarged perspective view of the essential portions of the third embodiment of the present invention. In FIG. 3, reference numeral 29 denotes a plurality of ball bearings provided on the tip end surface of the vane 12 in contact with the roller 11.
This is because the plurality of ball bearings 29 are provided on the tip end surface of the vane 12 in contact with the roller 11, so that the oil supply becomes smooth and the abrasion of the mechanical portion is not promoted.

【００２０】図４は本発明の第４の実施例の要部拡大斜
視図である。図４において、30はローラ11に接するベー
ン12の先端面に設けた棒状ベアリングである。これはロ
ーラ11に接するベーン12の先端面に棒状ベアリングを設
けたことにより、油供給が円滑になり機械部の摩耗を促
進させない。FIG. 4 is an enlarged perspective view of the essential portions of the fourth embodiment of the present invention. In FIG. 4, reference numeral 30 denotes a bar-shaped bearing provided on the tip end surface of the vane 12 that contacts the roller 11. This is because the rod-shaped bearing is provided on the tip end surface of the vane 12 which is in contact with the roller 11, so that the oil supply becomes smooth and the abrasion of the mechanical portion is not promoted.

【００２１】[0021]

【発明の効果】以上説明したように本発明の圧縮機は、
ローラに接するベーンの先端面に凹部を設けたことによ
り摩擦圧力を分散し、機械部の摩耗を促進させない。As described above, the compressor of the present invention is
By providing the concave portion on the tip end surface of the vane in contact with the roller, the friction pressure is dispersed and the abrasion of the mechanical portion is not promoted.

【００２２】また、ローラに接するベーンの先端面に複
数の曲面を有する凸部を設けたことにより、油供給が円
滑になり機械部の摩耗を促進させない。Further, by providing the convex portion having a plurality of curved surfaces on the tip end surface of the vane in contact with the roller, the oil supply becomes smooth and the abrasion of the mechanical portion is not promoted.

【００２３】また、ローラに接するベーンの先端面に複
数のボールベアリングを設けたことにより、油供給が円
滑になり機械部の摩耗を促進させない。Further, by providing a plurality of ball bearings on the tip end surface of the vane in contact with the roller, the oil supply becomes smooth and the abrasion of the mechanical portion is not promoted.

【００２４】また、ローラに接するベーンの先端面に棒
状ベアリングを設けたことにより、油供給が円滑になり
機械部の摩耗を促進させない。Further, since the rod-shaped bearing is provided on the tip end surface of the vane which is in contact with the roller, the oil supply becomes smooth and the abrasion of the mechanical portion is not promoted.

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

【図１】本発明の第１の実施例の要部拡大斜視図であ
る。FIG. 1 is an enlarged perspective view of a main part of a first embodiment of the present invention.

【図２】本発明の第２の実施例の要部拡大斜視図であ
る。FIG. 2 is an enlarged perspective view of essential parts of a second embodiment of the present invention.

【図３】本発明の第３の実施例の要部拡大斜視図であ
る。FIG. 3 is an enlarged perspective view of a main part of a third embodiment of the present invention.

【図４】本発明の第４の実施例の要部拡大斜視図であ
る。FIG. 4 is an enlarged perspective view of a main part of a fourth embodiment of the present invention.

【図５】従来例の冷凍装置の横型回転圧縮機の断面図で
ある。FIG. 5 is a cross-sectional view of a horizontal rotary compressor of a conventional refrigeration system.

【図６】図５の冷凍システム図である。6 is a refrigeration system diagram of FIG.

【図７】図５の要部拡大断面図である。FIG. 7 is an enlarged cross-sectional view of a main part of FIG.

【符号の説明】[Explanation of symbols]

11…ローラ、 12…ベーン、 12Ａ…ベーン溝、 27…
ベーン12の先端面に設けた凹部、 28…ベーン12の先端
面に設けた複数の曲面を有する凸部、 29…ベーン12の
先端面に設けた複数のボールベアリング、 30…ベーン
12の先端面に設けた棒状ベアリング。11 ... Laura, 12 ... Vane, 12A ... Vane groove, 27 ...
A concave portion provided on the tip surface of the vane 12, 28 ... A convex portion having a plurality of curved surfaces provided on the tip surface of the vane 12, 29 ... A plurality of ball bearings provided on the tip surface of the vane 12, 30 ... Vane
A rod-shaped bearing provided on the tip end surface of 12.

Claims (4)

【特許請求の範囲】[Claims] 【請求項１】 潤滑油を貯蔵した密閉容器と、この密閉
容器内に収納した電動要素と、圧縮要素と、前記密閉容
器の底部に溜まった潤滑油を前記圧縮要素の回転部に供
給する給油装置とからなる圧縮機の前記圧縮要素を構成
するローラに接するベーン先端面に所定寸法以上の凹部
を設けたことを特徴とする圧縮機。1. A closed container for storing lubricating oil, an electric element housed in the closed container, a compression element, and lubricating oil accumulated at the bottom of the closed container for supplying to a rotating portion of the compression element. A compressor comprising a device and a concave portion having a predetermined size or more provided on a tip end surface of a vane which is in contact with a roller constituting the compression element. 【請求項２】 潤滑油を貯蔵した密閉容器と、この密閉
容器内に収納した電動要素と、圧縮要素と、前記密閉容
器の底部に溜まった潤滑油を前記圧縮要素の回転部に供
給する給油装置とからなる圧縮機の前記圧縮要素を構成
するローラに接するベーン先端面に複数の曲面を有する
凸部を設けたことを特徴とする圧縮機。2. A closed container storing lubricating oil, an electric element housed in the closed container, a compression element, and lubricating oil accumulated at the bottom of the closed container for supplying to a rotating portion of the compression element. A compressor having a plurality of curved surfaces on a tip end surface of a vane that is in contact with a roller that constitutes the compression element of the compressor. 【請求項３】 潤滑油を貯蔵した密閉容器と、この密閉
容器内に収納した電動要素と、圧縮要素と、前記密閉容
器の底部に溜まった潤滑油を前記圧縮要素の回転部に供
給する給油装置とからなる圧縮機の前記圧縮要素を構成
するローラに接するベーン先端面に複数のボールベアリ
ングを設けたことを特徴とする圧縮機。3. An airtight container for storing lubricating oil, an electric element housed in the airtight container, a compression element, and lubrication oil accumulated at the bottom of the airtight container for supplying to a rotating portion of the compression element. A compressor comprising a plurality of ball bearings provided on a tip end surface of a vane which is in contact with a roller constituting the compression element of the compressor. 【請求項４】 潤滑油を貯蔵した密閉容器と、この密閉
容器内に収納した電動要素と、圧縮要素と、前記密閉容
器の底部に溜まった潤滑油を前記圧縮要素の回転部に供
給する給油装置とからなる圧縮機の前記圧縮要素を構成
するローラに接するベーン先端面に棒状ベアリングを設
けたことを特徴とする圧縮機。4. An airtight container for storing lubricating oil, an electric element housed in the airtight container, a compression element, and lubricating oil accumulated at the bottom of the airtight container for supplying to a rotating portion of the compression element. A compressor comprising a device and a bar-shaped bearing on a tip end surface of a vane which is in contact with a roller constituting the compression element.