KR100944967B1 - Hermetic compressor - Google Patents

Hermetic compressor Download PDF

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Publication number
KR100944967B1
KR100944967B1 KR1020030077228A KR20030077228A KR100944967B1 KR 100944967 B1 KR100944967 B1 KR 100944967B1 KR 1020030077228 A KR1020030077228 A KR 1020030077228A KR 20030077228 A KR20030077228 A KR 20030077228A KR 100944967 B1 KR100944967 B1 KR 100944967B1
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South Korea
Prior art keywords
connecting member
piston
fixing
hermetic compressor
fixing protrusion
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KR1020030077228A
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Korean (ko)
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KR20050042527A (en
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윤용태
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삼성광주전자 주식회사
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Priority to KR1020030077228A priority Critical patent/KR100944967B1/en
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    • 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
    • F04B39/00—Component 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
    • F04B39/0094—Component 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
    • 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
    • F04B39/00—Component 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
    • F04B39/14—Provisions for readily assembling or disassembling
    • 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
    • F04B39/00—Component 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
    • F04B39/10—Adaptations or arrangements of distribution members
    • F04B39/1066—Valve plates
    • 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
    • F04B39/00—Component 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
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/122—Cylinder block
    • 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
    • F04B39/00—Component 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
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/125—Cylinder heads

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

Abstract

본 발명은 밀폐형 압축기에 관한 것으로, 본 발명에 마련된 커넥팅로드(40)는 제 1연결부재(50)와 제 2연결부재(60)로 분리된 분리형 타입으로서, 제 1연결부재(50)와 제 2연결부재(60)의 대향하는 단부가 서로 결합되도록 제 2연결부재(60)의 단부에는 내측으로 함몰된 수용부(62)가 형성되고, 제 1연결부재(50)의 단부에는 수용부(62)와 대응되는 형상을 가지며 수용부(62)에 삽입되는 삽입부(52)가 형성된다. 또, 제 2연결부재(60)의 수용부(62)에는 내측으로 연장된 고정돌기(63)가 형성되는데, 이 고정돌기(63)는 제 1연결부재(50)의 외측에 형성된 고정홈(53)에 압입되게 된다.The present invention relates to a hermetic compressor, wherein the connecting rod (40) provided in the present invention is a separate type separated into a first connecting member (50) and a second connecting member (60). The receiving portion 62 recessed inward is formed at the end of the second connecting member 60 so that the opposite ends of the second connecting member 60 are coupled to each other, and the receiving portion is formed at the end of the first connecting member 50. An insertion portion 52 having a shape corresponding to 62 and inserted into the accommodation portion 62 is formed. In addition, the receiving portion 62 of the second connecting member 60 is formed with a fixing protrusion 63 extending inwardly, the fixing protrusion 63 is a fixing groove formed on the outer side of the first connecting member 50 ( 53).

Description

밀폐형 압축기{Hermetic compressor}Hermetic compressor

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

도 2는 본 발명에 따른 밀폐형 압축기의 커넥팅로드를 보인 분해 사시도이다.Figure 2 is an exploded perspective view showing a connecting rod of the hermetic compressor according to the present invention.

도 3은 본 발명에 따른 밀폐형 압축기 커넥팅로드의 결합 관계를 보인 측면도이다.3 is a side view showing a coupling relationship of the hermetic compressor connecting rod according to the present invention.

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

10 : 밀폐용기, 20 : 압축부,10: sealed container, 20: compression part,

21 : 실린더블록, 22 : 피스톤,21: cylinder block, 22: piston,

23 : 실린더헤드, 30 : 구동부,23: cylinder head, 30: drive part,

31 : 고정자, 32 : 회전자,31: stator, 32: rotor,

33 : 회전축, 40 : 커넥팅로드,33: rotating shaft, 40: connecting rod,

50 : 제 1연결부재, 51 : 제 1결합공,50: first connecting member, 51: first coupling hole,

52 : 삽입부, 53 : 고정홈,52: insertion portion, 53: fixing groove,

54 : 가이드부, 60 : 제 2연결부재,54: guide portion, 60: second connecting member,

61 : 제 2결합공, 62 : 수용부,61: second coupling hole, 62: receiving portion,

63 : 고정돌기, 64 : 경사부.63: fixing protrusion, 64: inclined portion.

본 발명은 밀폐형 압축기에 관한 것으로, 보다 상세하게는 회전축과 피스톤 사이를 연결하는 커넥팅로드를 갖춘 밀폐형 압축기에 관한 것이다.The present invention relates to a hermetic compressor, and more particularly to a hermetic compressor having a connecting rod for connecting between the rotating shaft and the piston.

일반적으로 밀폐형 압축기는 밀폐된 공간 내에서 냉매를 압축하여 외부로 토출시키는 장치로써, 밀폐용기 내부에 냉매를 압축하는 압축부와 이를 구동시키는 구동부로 구성된다.In general, a hermetic compressor is a device for compressing a refrigerant in an enclosed space and discharging it to the outside, and is composed of a compression unit for compressing a refrigerant in the hermetic container and a driving unit for driving the refrigerant.

압축부는 냉매를 압축하도록 압축실이 형성된 실린더블록과, 실린더블록 일측에 결합되며 압축실에 냉매의 흡입과 토출을 안내하도록 흡입실과 토출실이 각각 형성된 실린더헤드와, 압축실 내부를 직선 왕복 운동하는 피스톤으로 구성된다.The compression unit includes a cylinder block having a compression chamber configured to compress the refrigerant, a cylinder head coupled to one side of the cylinder block and having a suction head and a discharge chamber respectively configured to guide the suction and discharge of the refrigerant into the compression chamber, and linearly reciprocating the inside of the compression chamber. It consists of a piston.

구동부는 전원을 인가받아 자장을 형성하는 고정자와, 고정자와 상호 작용하여 회전하는 회전자와, 회전자의 중심부에 축방향으로 압입되어 일체로 회전하는 회전축으로 구성된다. 또, 회전축에는 편심 회전하는 편심축이 일체로 형성되며, 편심축과 피스톤 사이에는 이들을 연결하는 커넥팅로드가 설치된다.The driving unit includes a stator for receiving a power source to form a magnetic field, a rotor rotating in interaction with the stator, and a rotating shaft that is integrally rotated by being axially pressed into the center of the rotor. In addition, an eccentric shaft for eccentric rotation is integrally formed on the rotating shaft, and a connecting rod for connecting them is provided between the eccentric shaft and the piston.

이러한 종래 압축기에 사용되는 커넥팅로드는 하나의 몸체로 편심축과 피스톤 사이를 연결하는 일체형 커넥팅로드와, 두 개의 몸체가 결합되는 분리형 커넥팅로드로 구분되는데, 일체형 커넥팅로드를 편심축에 조립하기 위해서는 이들 사이에 슬리브를 사용하여 하고, 슬리브를 압입하기 위해 여러 가지 장비와 공차 관리가 필요하므로 조립이 용이치 못한 문제점이 있다. 또한, 분리형 커넥팅로드는 두 개 의 몸체를 서로 연결 결합하기 위해 별도의 체결핀 요구되므로 그 부품수가 증가되어 작업공정 및 생산비가 상승되는 문제점이 있다.The connecting rod used in such a conventional compressor is divided into an integral connecting rod connecting the eccentric shaft and the piston with one body, and a separate connecting rod in which the two bodies are coupled. In order to assemble the integral connecting rod on the eccentric shaft, The use of the sleeve in between, there is a problem that the assembly is not easy because various equipment and tolerance management is required to press the sleeve. In addition, the separate connecting rod is required because a separate fastening pin to connect the two bodies connected to each other there is a problem that the number of parts is increased to increase the work process and production costs.

본 발명은 이와 같은 문제점을 해결하기 위한 것으로, 그 목적은 조립이 용이하면서 부품수의 감소를 이룰 수 있는 커넥팅로드를 갖춘 밀폐형 압축기를 제공하는 것이다.SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and an object thereof is to provide a hermetic compressor having a connecting rod that can be easily assembled and achieve a reduction in the number of parts.

이러한 목적을 달성하기 위한 본 발명은; 회전축에 형성되어 편심 회전하는 편심축과, 상기 편심축과 피스톤 사이를 연결하는 커넥팅로드를 갖춘 밀폐형 압축기에 있어서, 상기 커넥팅로드는 상기 편심축 또는 상기 피스톤 중 어느 하나에 연결되는 제 1연결부재와, 상기 편심축 또는 상기 피스톤 중 나머지 하나에 연결되는 제 2연결부재를 포함하되, 상기 제 1연결부재와 상기 제 2연결부재의 대향하는 단부가 서로 고정되도록 상기 제 2연결부재의 단부에는 상기 제 1연결부재의 단부가 삽입되는 수용부와 상기 수용부 내측으로 연장된 고정돌기가 형성되고, 상기 제 1연결부재는 외측에 상기 고정돌기가 상기 회전축의 축방향으로 삽입되는 고정홈이 형성된다.The present invention for achieving this object is; An enclosed compressor having an eccentric shaft which is formed on a rotating shaft and rotates eccentrically, and a connecting rod for connecting between the eccentric shaft and the piston, wherein the connecting rod is connected to a first connecting member connected to either the eccentric shaft or the piston. And a second connection member connected to the other one of the eccentric shaft or the piston, and the first connection member and the opposite end portions of the second connection member are fixed to each other at the end of the second connection member. A receiving portion into which the end of the first connecting member is inserted and a fixing protrusion extending into the receiving portion are formed, and the first connecting member has a fixing groove in which the fixing protrusion is inserted in the axial direction of the rotation shaft.

또한 상기 고정돌기는 상기 고정홈에 압입 고정되며, 상기 고정홈의 입구 측에는 상기 고정돌기가 용이하게 삽입되도록 상기 고정홈의 내부폭보다 확장된 가이드부가 마련된 것을 특징으로 한다.In addition, the fixing protrusion is press-fitted into the fixing groove, the inlet side of the fixing groove is characterized in that the guide portion is extended than the inner width of the fixing groove so that the fixing protrusion is easily inserted.

또한 상기 가이드부는 테이퍼 형상을 가지며, 상기 고정돌기는 상기 가이드 부와 대응되는 형상의 경사부를 구비한 것을 특징으로 한다.The guide portion may have a tapered shape, and the fixing protrusion may include an inclined portion having a shape corresponding to the guide portion.

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 보인 단면도로써, 이를 참조하여 설명하면, 본 발명에 따른 밀폐형 압축기는 밀폐용기(10) 내부에 냉매를 압축하기 위한 압축부(20)와, 이 압축부(20)가 구동되도록 동력을 발생시키는 구동부(30)가 마련된다.1 is a cross-sectional view showing the entire structure of a hermetic compressor according to the present invention. Referring to this, the hermetic compressor according to the present invention includes a compression unit 20 for compressing a refrigerant in the hermetic container 10, and The driving unit 30 for generating power to drive the compression unit 20 is provided.

압축부(20)는 내부에 압축실(21a)이 형성된 실린더(21)를 구비하며, 이 압축실(21a)의 내부에는 왕복 운동하여 냉매를 흡입, 압축, 토출시키는 피스톤(22)이 설치되고, 실린더(21)의 일측에는 내부에 흡입실(23a)과 토출실(23b)이 형성된 실린더헤드(23)가 마주하도록 배치된다. 그리고 실린더블럭(21)과 실린더헤드(23) 사이에는 압축실(21a)과 흡입실(23a) 및 토출실(23b)을 각각 연통시킬 수 있도록 내부에 흡입공(24a)과 토출공(24b)이 형성된 밸브플레이트(24)가 개재된다.The compression unit 20 includes a cylinder 21 having a compression chamber 21a formed therein, and a piston 22 is installed inside the compression chamber 21a to reciprocate to suck, compress, and discharge refrigerant. On one side of the cylinder 21, the cylinder head 23 having the suction chamber 23a and the discharge chamber 23b formed therein is disposed to face each other. In addition, the suction hole 24a and the discharge hole 24b are provided between the cylinder block 21 and the cylinder head 23 so as to communicate the compression chamber 21a, the suction chamber 23a, and the discharge chamber 23b, respectively. The formed valve plate 24 is interposed.

구동부(30)는 압축부(20)에서 냉매의 압축이 이루어지기 위해 피스톤(22)이 왕복 운동되도록 마련되는 것으로, 밀폐용기(10)의 내부에 고정된 고정자(31)와 이 고정자(31)의 내부에 이격 설치되어 고정자(31)와 전자기적으로 상호 작용하는 회전자(32)가 마련된다. 그리고, 회전자(32)의 중심에는 회전자(32)와 함께 연동될 수 있도록 회전축(33)이 마련되고, 회전축(33)의 하부에는 편심 회전하는 편심축(34)와 편심축(34)의 편심회전을 직선운동으로 전환시킬 수 있도록 편심축(34)와 피스톤(22)사이를 연결하는 커넥팅로드(40)가 마련된다. The driving unit 30 is provided such that the piston 22 reciprocates in order to compress the refrigerant in the compression unit 20. The stator 31 and the stator 31 fixed inside the sealed container 10 are provided. The rotor 32 is provided to be spaced apart in the interior of the stator 31 and the electromagnetic interaction. In addition, a rotation shaft 33 is provided at the center of the rotor 32 so as to be interlocked with the rotor 32, and an eccentric shaft 34 and an eccentric shaft 34 which eccentrically rotate below the rotation shaft 33. The connecting rod 40 is provided to connect between the eccentric shaft 34 and the piston 22 so as to convert the eccentric rotation of the linear movement.                     

커넥팅로드(40)는 제 1연결부재(50)와 제 2연결부재(60)로 분리되어 마련되는데, 이하 도 2를 참조하여 본 발명에 따른 밀폐형 압축기에 마련된 커넥팅로드(40)를 상세히 설명한다.The connecting rod 40 is provided separately from the first connecting member 50 and the second connecting member 60. Hereinafter, the connecting rod 40 provided in the hermetic compressor according to the present invention will be described in detail with reference to FIG. .

도 2를 참조하면, 커넥팅로드(40)는 편심축(34)에 연결되는 제 1연결부재(50)와, 피스톤(22)에 연결되는 제 2연결부재(60)를 구비하며, 제 1연결부재(50)에는 편심축(34)에 힌지 결합되는 제 1결합공(51)가 마련되고, 제 2연결부재(60)에는 피스톤핀(도 1참조, 22a)이 삽입되는 제 2결합공(61)이 형성된다.Referring to FIG. 2, the connecting rod 40 includes a first connecting member 50 connected to the eccentric shaft 34 and a second connecting member 60 connected to the piston 22. The member 50 is provided with a first coupling hole 51 which is hinged to the eccentric shaft 34, and the second coupling member 60 has a second coupling hole into which a piston pin (see FIG. 1, 22a) is inserted. 61) is formed.

그리고 제 1연결부재(50)와 제 2연결부재(60)의 대향하는 단부가 서로 결합되도록 제 2연결부재(60)의 단부에는 내측으로 함몰된 수용부(62)가 형성되고, 제 1연결부재(50)의 단부에는 수용부(62)와 대응되는 형상을 가지며 수용부(62)에 삽입되는 삽입부(52)가 형성된다. 또, 제 2연결부재(60)의 수용부(62)에는 내측으로 연장된 고정돌기(63)가 형성되는데, 이 고정돌기(63)는 제 1연결부재(50)의 외측에 형성된 고정홈(53)에 삽입되게 된다.And the receiving portion 62 recessed inwardly is formed at the end of the second connecting member 60 so that the opposite ends of the first connecting member 50 and the second connecting member 60 are coupled to each other, the first connection An end portion 52 of the member 50 has a shape corresponding to the accommodating portion 62 and is inserted into the accommodating portion 62. In addition, the receiving portion 62 of the second connecting member 60 is formed with a fixing protrusion 63 extending inwardly, the fixing protrusion 63 is a fixing groove formed on the outer side of the first connecting member 50 ( 53).

도 3에 도시된 바와 같이, 고정돌기(63)는 고정홈(53)에 상하 방향으로 압입 고정되는데, 이때 고정돌기(63)가 용이하게 압입되도록 고정홈(53)의 입구 측에는 고정홈(53)의 내부폭보다 확장된 테이퍼 형상의 가이드부(54)가 마련된다. 그리고 고정돌기(63)에는 가이드부(54)에 대응되는 테이퍼 형상의 경사부(64)가 마련되어 두 연결부재(50,60) 간의 고정을 견고히 이룰 수 있게 된다.As shown in FIG. 3, the fixing protrusion 63 is press-fitted in the up and down direction to the fixing groove 53, in which case the fixing protrusion 53 is fixed to the inlet side of the fixing groove 53 so that the fixing protrusion 63 is easily press-fitted. Tapered guide portion 54 is provided that extends beyond the inner width of the (). In addition, the fixing protrusion 63 may be provided with a tapered inclined portion 64 corresponding to the guide portion 54 to securely fix the two connecting members 50 and 60.

다음에는 본 발명에 따른 밀폐형 압축기에 마련된 커넥팅로드(40)의 설치방법을 설명한다. Next, a method of installing the connecting rod 40 provided in the hermetic compressor according to the present invention will be described.                     

먼저, 제 2연결부재(60)를 피스톤(22)에 연결하게 되는데, 이를 위해 제 2연결부재(60)의 제 2결합공(61)을 피스톤(22) 내에 위치시킨 상태에서 피스톤핀(22a)을 삽입하여 연결한다. 그리고나서, 피스톤(22)을 실린더(21) 내부에 삽입하여 상사점에 위치시킨다.First, the second connecting member 60 is connected to the piston 22. For this purpose, the piston pin 22a in the state in which the second coupling hole 61 of the second connecting member 60 is positioned in the piston 22 is used. Insert and connect). Then, the piston 22 is inserted into the cylinder 21 and positioned at the top dead center.

그리고, 제 1연결부재(50)의 제 1결합공(51)을 회전축(33)의 편심축(34)에 삽입하면서, 이와 동시에 제 1연결부재(50)의 고정홈(53)에 제 2연결부재(60)의 고정돌기(63)를 압입 고정시키게 되면 분리된 커넥팅로드(40)의 조립이 완성된다.The first coupling hole 51 of the first connecting member 50 is inserted into the eccentric shaft 34 of the rotary shaft 33, and at the same time, the second coupling hole 51 of the first connecting member 50 is inserted into the fixing groove 53 of the first connecting member 50. When the fixing projection 63 of the connecting member 60 is press-fitted, the assembly of the separated connecting rod 40 is completed.

이때, 고정홈(53)과 고정돌기(63)가 각각 테이퍼 형상의 가이드부(54)와 경사부(64)를 구비하므로 고정돌기(63)가 고정홈(53)에 용이하게 압입 고정될 수 있게 된다.At this time, since the fixing groove 53 and the fixing protrusion 63 each have a tapered guide portion 54 and an inclined portion 64, the fixing protrusion 63 can be easily press-fitted to the fixing groove 53. Will be.

따라서, 회전축(33)의 회전운동 및 피스톤(22)의 압축작용 시 발생되는 진동에 의해 제 1연결부재(50)와 제 2연결부재(60)가 상하 방향으로 서로 이탈되는 것이 방지된다.Therefore, the first connecting member 50 and the second connecting member 60 are prevented from being separated from each other in the vertical direction by the vibration generated during the rotational movement of the rotary shaft 33 and the compression action of the piston 22.

이상에서 상세히 설명한 바와, 본 발명의 밀폐형 압축기에 마련된 커넥팅로드는 회전축에 연결되는 제 1연결부재와 피스톤에 연결되는 제 2연결부재로 구분되는데, 두 연결부재는 고정돌기와 고정홈에 의해 서로 결합되므로 별도의 체결핀 없이 두 연결부재 간의 고정을 이룰 수 있게 된다.As described in detail above, the connecting rod provided in the hermetic compressor of the present invention is divided into a first connecting member connected to the rotating shaft and a second connecting member connected to the piston, and the two connecting members are coupled to each other by the fixing protrusion and the fixing groove. It is possible to achieve a fixing between the two connecting members without a separate fastening pin.

또한, 고정홈과 고정돌기에는 각각 테이퍼 형상의 가이드부와 경사부가 마련되어 고정돌기가 고정홈에 압입 고정됨으로 두 연결부재의 결합을 견고하면서도 용 이하게 이룰 수 있는 작용효과가 있다.In addition, the fixing grooves and the fixing projections are provided with a tapered guide portion and an inclined portion, respectively, so that the fixing projections are press-fitted to the fixing grooves, so that the coupling between the two connecting members can be made firmly and easily.

Claims (3)

회전축에 형성되어 편심 회전하는 편심축과, 상기 편심축과 피스톤 사이를 연결하는 커넥팅로드를 갖춘 밀폐형 압축기에 있어서, In a hermetic compressor having an eccentric shaft which is formed on a rotating shaft and rotates eccentrically, and a connecting rod connecting between the eccentric shaft and the piston, 상기 커넥팅로드는 상기 편심축 또는 상기 피스톤 중 어느 하나에 연결되는 제 1연결부재와, 상기 편심축 또는 상기 피스톤 중 나머지 하나에 연결되는 제 2연결부재를 포함하되,The connecting rod includes a first connecting member connected to any one of the eccentric shaft or the piston, and a second connecting member connected to the other one of the eccentric shaft and the piston, 상기 제 1연결부재와 상기 제 2연결부재의 대향하는 단부가 서로 고정되도록 상기 제 2연결부재의 단부에는 상기 제 1연결부재의 단부가 삽입되는 수용부와 상기 수용부 내측으로 연장된 고정돌기가 형성되고, 상기 제 1연결부재는 외측에 상기 고정돌기가 상기 회전축의 축방향으로 삽입되는 고정홈이 형성된 것을 특징으로 하는 밀폐형 압축기. The receiving portion into which the end of the first connecting member is inserted and the fixing protrusion extending into the receiving portion are formed at the end of the second connecting member so that the opposite ends of the first connecting member and the second connecting member are fixed to each other. And the first connecting member has a fixing groove in which the fixing protrusion is inserted in the axial direction of the rotating shaft. 제 1항에 있어서,The method of claim 1, 상기 고정돌기는 상기 고정홈에 압입 고정되며,The fixing protrusion is press-fitted into the fixing groove, 상기 고정홈의 입구 측에는 상기 고정돌기가 용이하게 삽입되도록 상기 고정홈의 내부폭보다 확장된 가이드부가 마련된 것을 특징으로 하는 밀페형 압축기.The inlet side of the fixing groove is a hermetic compressor characterized in that the guide portion extended to the inner width of the fixing groove is provided so that the fixing projection is easily inserted. 제 2항에 있어서,3. The method of claim 2, 상기 가이드부는 테이퍼 형상을 가지며,The guide portion has a tapered shape, 상기 고정돌기는 상기 가이드부와 대응되는 형상의 경사부를 구비한 것을 특징으로 하는 밀폐형 압축기.The fixing protrusion is a hermetic compressor, characterized in that provided with an inclined portion corresponding to the guide portion.
KR1020030077228A 2003-11-03 2003-11-03 Hermetic compressor KR100944967B1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4770058A (en) 1985-03-08 1988-09-13 Empresa Brasileria de Compressors S/A Embraco Reciprocating piston compressor for small refrigerating machines and its assembly method
EP0592812A1 (en) 1992-10-16 1994-04-20 Whirlpool Europe B.V. Connecting rod for motor-compressor units
JPH10205451A (en) 1997-01-27 1998-08-04 Matsushita Refrig Co Ltd Reciprocating piston compressor
KR19990057041A (en) * 1997-12-29 1999-07-15 구자홍 Detachable connecting rod in hermetic compressor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4770058A (en) 1985-03-08 1988-09-13 Empresa Brasileria de Compressors S/A Embraco Reciprocating piston compressor for small refrigerating machines and its assembly method
EP0592812A1 (en) 1992-10-16 1994-04-20 Whirlpool Europe B.V. Connecting rod for motor-compressor units
JPH10205451A (en) 1997-01-27 1998-08-04 Matsushita Refrig Co Ltd Reciprocating piston compressor
KR19990057041A (en) * 1997-12-29 1999-07-15 구자홍 Detachable connecting rod in hermetic compressor

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