KR20050105620A - Hermetic compressor - Google Patents

Hermetic compressor Download PDF

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Publication number
KR20050105620A
KR20050105620A KR1020040030668A KR20040030668A KR20050105620A KR 20050105620 A KR20050105620 A KR 20050105620A KR 1020040030668 A KR1020040030668 A KR 1020040030668A KR 20040030668 A KR20040030668 A KR 20040030668A KR 20050105620 A KR20050105620 A KR 20050105620A
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KR
South Korea
Prior art keywords
oil
rotor
hermetic compressor
tube
oil pick
Prior art date
Application number
KR1020040030668A
Other languages
Korean (ko)
Inventor
김진억
Original Assignee
삼성광주전자 주식회사
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Application filed by 삼성광주전자 주식회사 filed Critical 삼성광주전자 주식회사
Priority to KR1020040030668A priority Critical patent/KR20050105620A/en
Publication of KR20050105620A publication Critical patent/KR20050105620A/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/02Lubrication
    • F04B39/0223Lubrication characterised by the compressor type
    • F04B39/023Hermetic compressors
    • F04B39/0238Hermetic compressors with oil distribution channels
    • F04B39/0246Hermetic compressors with oil distribution channels in the rotating shaft
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0094Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 crankshaft
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/02Lubrication
    • F04B39/0223Lubrication characterised by the compressor type
    • F04B39/023Hermetic compressors
    • F04B39/0261Hermetic compressors with an auxiliary oil pump
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/02Lubrication
    • F04B39/0223Lubrication characterised by the compressor type
    • F04B39/0276Lubrication characterised by the compressor type the pump being of the reciprocating piston type, e.g. oscillating, free-piston compressors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/02Lubrication
    • F04B39/0284Constructional details, e.g. reservoirs in the casing
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/28Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Compressor (AREA)

Abstract

본 발명은 밀폐형 압축기에 관한 것으로, 본 발명에 따른 회전자(32)는 다수의 강판(32a)이 적층되어 형성된 적층부(32b)와, 각 강판(32a)을 서로 고정하기 위해 적층부(32b)의 상측과 하측에 각각 마련되는 상부 고정플레이트(32c)와 하부 고정플레이트(32d)를 구비하며, 오일픽업장치(40)는 중공의 원통형상을 갖는 오일픽업튜브(41)와, 오일픽업튜브(41) 내부에 마련되어 오일의 펌핑력을 증대시키기 위한 오일픽업플레이트(42)를 구비하는데, 이때 회전자(32)의 하부 고정플레이트(32d)는 오일픽업튜브(41)의 상단으로부터 외측으로 연장 형성되어 오일픽업장치(40)와 일체로 형성되게 된다.The present invention relates to a hermetic compressor, the rotor 32 according to the present invention is a laminated portion 32b formed by stacking a plurality of steel sheets 32a, and the laminated portion 32b to fix each steel sheet 32a to each other. And an upper fixing plate 32c and a lower fixing plate 32d respectively provided at the upper side and the lower side thereof, and the oil pick-up apparatus 40 includes an oil pick-up tube 41 having a hollow cylindrical shape, and an oil pick-up tube. An oil pick-up plate 42 is provided inside the 41 to increase the pumping force of the oil, wherein the lower fixing plate 32d of the rotor 32 extends outward from the top of the oil pick-up tube 41. Is formed to be integrally formed with the oil pickup device (40).

즉, 본 발명의 하부 고정플레이트(32d)는 오일픽업장치(40)를 회전자(32)에 고정하는 기능과 회전자(32)의 각 강판(32a)을 서로 고정하는 기능을 동시에 수행하게 되는 것이다.That is, the lower fixing plate 32d of the present invention simultaneously performs the function of fixing the oil pickup device 40 to the rotor 32 and the function of fixing each steel plate 32a of the rotor 32 to each other. will be.

Description

밀폐형 압축기{Hermetic Compressor}Hermetic Compressor

본 발명은 밀폐형 압축기에 관한 것으로, 보다 상세하게는 밀폐용기 저면의 오일을 흡상토록 회전축의 하측에 마련된 오일픽업장치에 관한 것이다.The present invention relates to a hermetic compressor, and more particularly, to an oil pick-up apparatus provided under the rotary shaft to suck up oil at the bottom of the hermetic container.

일반적으로 밀폐형 압축기는 밀폐공간 내로 냉매를 흡입하여 압축한 후 토출하는 장치로써, 냉매를 압축하는 압축장치와 이를 구동하는 구동장치로 구성된다.In general, a hermetic compressor is a device that sucks and compresses a refrigerant into a closed space and discharges the refrigerant, and includes a compression device that compresses the refrigerant and a driving device that drives the refrigerant.

압축장치는 밀폐공간을 형성하는 밀폐용기 내부에 마련되는 것으로, 프레임과 일체로 형성되며 압축실을 형성하는 실린더블록과, 압축실 내부를 왕복 운동하는 피스톤을 구비하고, 실린더블록 일측에는 외부와 연통된 흡입실 및 토출실이 각각 형성된 실린더헤드가 결합된다.The compression device is provided in a sealed container that forms a closed space. The compression device includes a cylinder block which is integrally formed with a frame and forms a compression chamber, and a piston that reciprocates inside the compression chamber. The cylinder head in which the suction chamber and the discharge chamber are formed respectively is combined.

구동장치는 자장을 형성하는 고정자와, 고정자와 전기적으로 상호 작용하여 회전하는 회전자와, 회전자의 중공부에 압입 고정되어 회전자와 함께 회전하는 회전축을 구비하며, 회전축에는 회전운동을 직선운동으로 변환하는 커넥팅로드가 연결되어 피스톤을 구동하게 된다.The drive device includes a stator that forms a magnetic field, a rotor that rotates by electrically interacting with the stator, and a rotation shaft that is press-fitted to the hollow part of the rotor and rotates with the rotor, and the rotation axis includes a linear motion. Connecting rod is converted to the drive the piston.

한편, 밀폐용기의 저면에는 오일이 저장되는데, 이러한 오일은 회전축 및 피스톤 등을 윤활 및 냉각시키기 위한 것으로, 회전축 내부에는 오일이 통과하는 오일유로가 형성되고, 회전축 하단에는 오일을 펌핑하기 위한 오일픽업장치가 설치된다.Meanwhile, oil is stored at the bottom of the airtight container. The oil is used to lubricate and cool the rotating shaft and the piston, and an oil passage through which the oil passes is formed inside the rotating shaft, and an oil pick-up for pumping oil at the lower end of the rotating shaft. The device is installed.

그러나, 종래 밀폐형 압축기는 오일픽업장치를 회전자의 중공부에 압입하여 고정하게 되는데, 이때 회전자가 변형되거나 파손되어 압축기의 신뢰성 및 압축효율이 저하되는 문제점이 있다. However, in the conventional hermetic compressor, the oil pick-up apparatus is fixed by pressing the hollow part of the rotor, and the rotor is deformed or damaged, thereby degrading the reliability and compression efficiency of the compressor.

또한, 종래 밀폐형 압축기는 오일픽업장치가 단순히 압입되는 구조를 통해 고정되고 있으므로, 회전자의 지속적인 회전운동에 의해 오일픽업장치가 최초 설치위치로부터 이탈되는 문제점이 발생하게 된다. In addition, the conventional hermetic compressor is fixed through a structure in which the oil pick-up device is simply press-fitted, and thus the oil pick-up device is separated from the initial installation position by the continuous rotational movement of the rotor.

본 발명은 이와 같은 문제점을 해결하기 위한 것으로, 그 목적은 오일픽업장치의 설치를 견고하면서도 용이하게 이룰 수 있으며, 오일픽업장치의 설치 시 상대부품의 변형 및 파손을 방지할 수 있는 밀폐형 압축기를 제공하는 것이다.The present invention is to solve the above problems, the object of which is to achieve a solid yet easy installation of the oil pick-up device, to provide a hermetic compressor that can prevent deformation and breakage of the mating parts when installing the oil pick-up device. It is.

이러한 목적을 달성하기 위한 본 발명은; 자장을 형성하는 고정자와, 상기 고정자와 전자기적으로 상호 작용하며 회전하는 회전자와, 상기 회전자에 결합되며 내부에 오일유로가 형성된 회전축과, 상기 회전축 하측의 오일을 상측으로 이송하기 위해 상기 회전축 하단에 마련되는 오일픽업장치를 갖춘 밀폐형 압축기에 있어서, 상기 오일픽업장치는 상기 회전자와 일체로 형성되는 것을 특징으로 한다.The present invention for achieving this object is; A stator forming a magnetic field, a rotor rotating electromagnetically and interacting with the stator, a rotating shaft coupled to the rotor and having an oil flow path formed therein, and the rotating shaft for transferring oil below the rotating shaft upwards. In a hermetic compressor having an oil pickup device provided at a lower end, the oil pickup device is formed integrally with the rotor.

또한, 상기 회전자는 다수의 강판이 적층 형성된 적층부와, 다수의 강판을 서로 고정하기 위해 상기 적층부의 상측 및 하측에 각각 마련되는 상부 고정플레이트와 하부 고정플레이트를 구비하되 상기 하부 고정플레이트는 상기 오일픽업장치와 일체로 형성된 것을 특징으로 한다.In addition, the rotor is provided with a laminated portion formed by stacking a plurality of steel plates, and an upper fixing plate and a lower fixing plate respectively provided on the upper side and the lower side of the lamination part to fix the plurality of steel sheets, wherein the lower fixing plate is the oil. Characterized in that formed integrally with the pickup device.

또한, 상기 오일픽업장치는 중공의 원통형상을 갖는 오일픽업튜브와, 오일 펌핑력을 증대시키기 위해 상기 오일픽업튜브 내부에 고정되는 오일픽업플레이트를 구비하며, 상기 하부 고정플레이트는 상기 오일픽업튜브 외측으로 연장 형성된 것을 특징으로 한다.The oil pick-up apparatus may include an oil pick-up tube having a hollow cylindrical shape, and an oil pick-up plate fixed inside the oil pick-up tube to increase oil pumping force, and the lower fixing plate is outside the oil pick-up tube. Characterized in that formed extending.

또한, 상기 하부 고정플레이트는 상기 강판과 리벳팅을 통해 결합된 것을 특징으로 한다.In addition, the lower fixing plate is characterized in that coupled through the steel plate and riveting.

또한, 상기 회전축은 상기 오일픽업튜브의 중공부에 압입되는 것을 특징으로 한다.In addition, the rotating shaft is characterized in that the press-fit to the hollow portion of the oil pick-up tube.

또한, 상기 오일픽업튜브에는 상기 회전축의 하단을 지지토록 단차부가 형성된 것을 특징으로 한다.In addition, the oil pickup tube is characterized in that the stepped portion is formed to support the lower end of the rotating shaft.

이하에서는 본 발명에 따른 바람직한 실시 예를 첨부 도면을 참조하여 상세히 설명한다. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명에 따른 밀폐형 압축기의 전체 구조를 도시한 측단면도이다.1 is a side cross-sectional view showing the entire structure of a hermetic compressor according to the present invention.

도 1를 참조하면, 본 발명에 따른 밀폐형 압축기는, 밀폐공간을 형성하는 밀폐용기(10) 내부에 냉매를 압축하도록 마련된 압축장치(20)와, 압축장치(20)를 구동하기 위한 구동장치(30)를 포함하여 구성된다.Referring to Figure 1, the hermetic compressor according to the present invention, a compression device 20 is provided to compress the refrigerant in the sealed container 10 to form a closed space, and a drive device for driving the compression device ( 30).

압축장치(20)는 프레임(21)에 일체로 형성되며 일측에 압축실(22a)이 형성된 실린더블록(22)과, 압축실(22a) 내를 진퇴하며 냉매를 압축하는 피스톤(23)을 구비하고, 실린더블록(22) 일측에는 외부와 연통된 흡입실(24a) 및 토출실(24b)이 각각 형성된 실린더헤드(24)가 결합되며, 실린더블록(22)과 실린더헤드(24) 사이에는 냉매의 유출입을 제어하는 밸브장치(25)가 마련된다.The compression device 20 is integrally formed in the frame 21 and includes a cylinder block 22 having a compression chamber 22a formed on one side thereof, and a piston 23 for advancing and retracting the refrigerant in the compression chamber 22a. In addition, a cylinder head 24 having a suction chamber 24a and a discharge chamber 24b communicating with the outside is coupled to one side of the cylinder block 22, and a refrigerant is provided between the cylinder block 22 and the cylinder head 24. The valve device 25 which controls the inflow and outflow of this is provided.

구동장치(30)는 압축장치(20)에서 냉매의 압축이 이루어지도록 피스톤(23)을 진퇴 시키는 것으로, 자장을 형성하는 고정자(31)와, 이 고정자(31)의 내부에 이격 설치되어 고정자(31)와 전자기적으로 상호 작용하는 회전자(32)를 구비하며, 회전자(32)의 중심에는 회전자(32)와 함께 회전하는 회전축(33)이 압입 설치된다. 이러한 회전축(33)은 프레임(21) 내부를 회전하게 되는데, 회전축(22)의 상단에 형성된 편심축(33a)에는 회전운동을 직선운동으로 전환시킬 수 있도록 일측이 피스톤(23)과 결합된 커넥팅로드(34)가 연결되게 된다.The drive device 30 is to advance and retract the piston 23 to compress the refrigerant in the compression device 20, the stator 31 to form a magnetic field, and the stator 31 is spaced apart in the stator (31) 31 and a rotor 32 which electromagnetically interacts with each other, and a rotation shaft 33 that rotates together with the rotor 32 is press-fitted at the center of the rotor 32. The rotating shaft 33 is to rotate the inside of the frame 21, one side is coupled to the piston 23 to the eccentric shaft (33a) formed on the upper end of the rotating shaft 22 to convert the rotational movement into a linear movement The rod 34 is to be connected.

또한, 회전축(33)은 내부에 축방향으로 길게 연장된 오일유로(33b)와, 오일유로(33b)와 연통되게 형성된 오일배출공(33c)이 형성된다. 그리고 회전축(33)의 하단에는 밀폐용기(10) 저면의 오일(L)을 흡입하여 오일유로(33b)를 통해 회전축(33)의 상측으로 상승시키는 오일픽업장치(40)가 마련된다.In addition, the rotation shaft 33 has an oil passage 33b extending in the axial direction and an oil discharge hole 33c formed in communication with the oil passage 33b. In addition, an oil pick-up device 40 is provided at the lower end of the rotating shaft 33 to suck the oil L of the bottom surface of the sealed container 10 and ascend upwards of the rotating shaft 33 through the oil passage 33b.

이러한 오일픽업장치(40)는 회전자(32)와 일체로 형성되게 되는데, 이하 본 발명에 따른 회전자(32) 및 오일픽업장치(40)에 대해 상세히 설명한다.The oil pickup device 40 is to be formed integrally with the rotor 32, the rotor 32 and the oil pickup device 40 according to the present invention will be described in detail below.

도 2를 참조하면, 본 발명에 따른 회전자(32)는 다수의 강판(32a)이 적층되어 형성된 적층부(32b)와, 각 강판(32a)을 서로 고정하기 위해 적층부(32b)의 상측과 하측에 각각 마련되는 상부 고정플레이트(32c)와 하부 고정플레이트(32d)를 구비하며, 다수의 강판(32a)과 두 고정플레이트(32c,32d)는 내부를 통과하는 리벳(32e)을 통해 고정을 이루게 된다.Referring to FIG. 2, the rotor 32 according to the present invention has a stacking portion 32b formed by stacking a plurality of steel sheets 32a and an upper side of the stacking portions 32b to fix each steel sheet 32a to each other. And upper fixing plates 32c and lower fixing plates 32d respectively provided at the lower and lower sides thereof, and the plurality of steel plates 32a and the two fixing plates 32c and 32d are fixed through rivets 32e passing through them. Will be achieved.

오일픽업장치(40)는 중공의 원통형상을 갖는 오일픽업튜브(41)와, 오일픽업튜브(41) 내부에 마련되어 오일의 펌핑력을 증대시키기 위한 오일픽업플레이트(42)를 구비하는데, 이때 회전자(32)의 하부 고정플레이트(32d)는 오일픽업튜브(41)의 상단으로부터 외측으로 연장 형성되어 오일픽업장치(40)와 일체로 형성되게 된다. The oil pick-up apparatus 40 includes an oil pick-up tube 41 having a hollow cylindrical shape and an oil pick-up plate 42 provided in the oil pick-up tube 41 to increase the pumping force of the oil. The lower fixing plate 32d of the electron 32 extends outward from an upper end of the oil pick-up tube 41 to be integrally formed with the oil pick-up device 40.

즉, 본 발명의 하부 고정플레이트(32d)는 오일픽업장치(40)를 회전자(32)에 고정하는 기능과 회전자(32)의 각 강판(32a)을 서로 고정하는 기능을 동시에 수행하게 되는 것이다.That is, the lower fixing plate 32d of the present invention simultaneously performs the function of fixing the oil pickup device 40 to the rotor 32 and the function of fixing each steel plate 32a of the rotor 32 to each other. will be.

도 3에 도시된 바와 같이, 오일픽업튜브(41)의 중공부(41a)에 회전축(33)의 하단부가 압입되게 되는데, 이때 오일픽업튜브(41)에는 회전축(33) 하단을 지지하하도록 단차부(41b)가 마련되어 회전축(33)과 오일픽업장치(40)는 보다 안정적인 결합을 이루게 되며, 오일(L)이 회전자(32)측으로 누출되는 것을 방지할 수 있게 된다.As shown in FIG. 3, the lower end of the rotating shaft 33 is press-fitted into the hollow portion 41a of the oil pick-up tube 41. At this time, the oil pick-up tube 41 has a step so as to support the lower end of the rotating shaft 33. The portion 41b is provided to make the rotation shaft 33 and the oil pick-up device 40 more stable, and prevent the oil L from leaking to the rotor 32 side.

다음에는 이와 같이 마련된 밀폐형 압축기의 동작 및 작용을 설명한다. Next will be described the operation and action of the hermetic compressor provided in this way.

먼저, 구동자(31)에 전원이 인가되어 자장이 형성되면, 전자기적 상호작용에 의해 회전자(32) 및 회전축(33)이 동시에 회전하면서 피스톤(23)을 구동하게 되고, 피스톤(23)은 압축실(22a) 내부를 왕복 운동하며 냉매를 압축하게 된다.First, when power is applied to the driver 31 to form a magnetic field, the rotor 32 and the rotating shaft 33 are simultaneously rotated by the electromagnetic interaction to drive the piston 23, the piston 23 The reciprocating motion in the compression chamber 22a compresses the refrigerant.

또한, 회전자(32)가 회전함에 따라 회전자(32)의 하부 고정플레이트(32d)와 일체로 형성된 오일픽업장치(40)가 회전하게 되고, 이러한 오일픽업장치(40)는 회전에 의한 원심력으로 밀폐용기(10) 저면의 오일(L)을 흡입하여 상측으로 이송시키게 되며, 이송된 오일(L)은 회전축(33) 외부로 배출되어 회전축(33)과 피스톤(23) 등을 냉각 및 윤활하게 된다.In addition, as the rotor 32 rotates, the oil pickup device 40 integrally formed with the lower fixing plate 32d of the rotor 32 rotates, and the oil pickup device 40 has a centrifugal force due to rotation. By sucking the oil (L) of the bottom surface of the sealed container 10 to be transferred to the upper side, the transferred oil (L) is discharged to the outside of the rotary shaft 33 to cool and lubricate the rotary shaft 33 and the piston (23), etc. Done.

이와 같이, 본 발명에 따른 밀폐형 압축기의 오일픽업장치(40)는 회전자(32)와 일체로 형성되어 있으므로 회전자(32)와 함께 안정적이고 지속적으로 회전하면서 원활한 오일(L)의 이송을 이룰 수 있게 된다.As such, since the oil pickup device 40 of the hermetic compressor according to the present invention is formed integrally with the rotor 32, the oil pickup device 40 may be stably and continuously rotated together with the rotor 32 to achieve smooth transfer of the oil (L). It becomes possible.

이상에서 상세히 설명한 바와, 본 발명에 따른 밀폐형 압축기는 오일픽업장치가 회전자의 하부 고정플레이트와 일체로 형성된다.As described above in detail, in the hermetic compressor according to the present invention, the oil pickup device is integrally formed with the lower fixing plate of the rotor.

이에 따라, 오일픽업장치는 회전자와 함께 안정적이고 지속적으로 회전하면서 원활한 오일의 이송을 이룰 수 있게 된다.Accordingly, the oil pickup device can achieve a smooth oil transfer while rotating stably and continuously with the rotor.

또한, 오일픽업장치를 고정하기 위한 별도의 공정 및 부품이 요구되지 않아 작업공정 및 생산비를 절감할 수 있게 되며, 오일픽업장치 설치 시 발생될 수 있는 회전축 및 회전자의 변형 및 파손을 방지할 수 있게 되는 효과가 있다. In addition, since a separate process and parts for fixing the oil pick-up device are not required, it is possible to reduce the work process and production cost, and to prevent deformation and damage of the rotating shaft and the rotor that may occur when installing the oil pick-up device. It is effective to be.

도 1은 본 발명에 따른 밀폐형 압축기의 전체 구조를 도시한 단면도이다.1 is a cross-sectional view showing the entire structure of a hermetic compressor according to the present invention.

도 2는 본 발명에 따른 밀폐형 압축기에 있어서 회전자와 오일픽업장치를 보인 단면도이다.2 is a cross-sectional view showing a rotor and an oil pickup device in the hermetic compressor according to the present invention.

도 3은 도 2의 "A"부를 발췌하여 보인 확대 단면도이다.3 is an enlarged cross-sectional view taken from the portion “A” of FIG. 2.

* 도면의 주요부분에 대한 부호의 설명 *Explanation of symbols on main parts of drawing

10 : 밀폐용기, 20 : 압축장치,10: sealed container, 20: compression device,

30 : 구동장치, 31 : 고정자,30: driving device, 31: stator,

32 : 회전자, 32a : 강판,32: rotor, 32a: steel plate,

32b : 적층부, 32c : 상부 고정플레이트,32b: laminated part, 32c: upper fixing plate,

32d : 하부 고정플레이트, 32e : 리벳,32d: lower fixing plate, 32e: rivet,

33 : 회전축, 33b : 오일유로,33: axis of rotation, 33b: oil flow path,

40 : 오일픽업장치, 41 : 오일픽업튜브,40: oil pick-up device, 41: oil pick-up tube,

41a : 중공부, 41b : 단차부,41a: hollow portion, 41b: stepped portion,

42 : 오일픽업플레이트.42: oil pick up plate.

Claims (6)

자장을 형성하는 고정자와, 상기 고정자와 전자기적으로 상호 작용하며 회전하는 회전자와, 상기 회전자에 결합되며 내부에 오일유로가 형성된 회전축과, 상기 회전축 하측의 오일을 상측으로 이송하기 위해 상기 회전축 하단에 마련되는 오일픽업장치를 갖춘 밀폐형 압축기에 있어서, 상기 오일픽업장치는 상기 회전자와 일체로 형성되는 것을 특징으로 하는 밀폐형 압축기.A stator forming a magnetic field, a rotor rotating electromagnetically and interacting with the stator, a rotating shaft coupled to the rotor and having an oil flow path formed therein, and the rotating shaft for transferring oil below the rotating shaft upwards. The hermetic compressor having an oil pickup device provided at a lower end thereof, wherein the oil pickup device is integrally formed with the rotor. 제 1항에 있어서,The method of claim 1, 상기 회전자는 다수의 강판이 적층 형성된 적층부와, 다수의 강판을 서로 고정하기 위해 상기 적층부의 상측 및 하측에 각각 마련되는 상부 고정플레이트와 하부 고정플레이트를 구비하되 상기 하부 고정플레이트는 상기 오일픽업장치와 일체로 형성된 것을 특징으로 하는 밀폐형 압축기.The rotor is provided with a lamination part in which a plurality of steel sheets are stacked, and an upper fixing plate and a lower fixing plate respectively provided on the upper side and the lower side of the lamination part to fix the plurality of steel sheets, wherein the lower fixing plate is the oil pick-up apparatus. Hermetic compressor, characterized in that formed integrally with. 제 2항에 있어서,The method of claim 2, 상기 오일픽업장치는 중공의 원통형상을 갖는 오일픽업튜브와, 오일 펌핑력을 증대시키기 위해 상기 오일픽업튜브 내부에 고정되는 오일픽업플레이트를 구비하며, 상기 하부 고정플레이트는 상기 오일픽업튜브 외측으로 연장 형성된 것을 특징으로 하는 밀폐형 압축기.The oil pick-up apparatus includes an oil pick-up tube having a hollow cylindrical shape, and an oil pick-up plate fixed inside the oil pick-up tube to increase oil pumping force, and the lower fixing plate extends outside the oil pick-up tube. Hermetic compressor, characterized in that formed. 제 3항에 있어서,The method of claim 3, wherein 상기 하부 고정플레이트는 상기 강판과 리벳팅을 통해 결합된 것을 특징으로 하는 밀폐형 압축기.The lower fixed plate is a hermetic compressor, characterized in that coupled through the steel plate and riveting. 제 3항에 있어서,The method of claim 3, wherein 상기 회전축은 상기 오일픽업튜브의 중공부에 압입되는 것을 특징으로 하는 밀폐형 압축기.The rotary shaft is a hermetic compressor characterized in that is pressed into the hollow portion of the oil pick-up tube. 제 5항에 있어서,The method of claim 5, 상기 오일픽업튜브에는 상기 회전축의 하단을 지지토록 단차부가 형성된 것을 특징으로 하는 밀폐형 압축기.The oil pickup tube is hermetic compressor, characterized in that the stepped portion is formed to support the lower end of the rotating shaft.
KR1020040030668A 2004-04-30 2004-04-30 Hermetic compressor KR20050105620A (en)

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