KR0133040Y1 - A rotary compressor - Google Patents

A rotary compressor Download PDF

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Publication number
KR0133040Y1
KR0133040Y1 KR2019960024463U KR19960024463U KR0133040Y1 KR 0133040 Y1 KR0133040 Y1 KR 0133040Y1 KR 2019960024463 U KR2019960024463 U KR 2019960024463U KR 19960024463 U KR19960024463 U KR 19960024463U KR 0133040 Y1 KR0133040 Y1 KR 0133040Y1
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KR
South Korea
Prior art keywords
roller
cylinder
suction
circumferential surface
rotation
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KR2019960024463U
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Korean (ko)
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KR19980010983U (en
Inventor
박동수
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김광호
삼성전자주식회사
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Priority to KR2019960024463U priority Critical patent/KR0133040Y1/en
Publication of KR19980010983U publication Critical patent/KR19980010983U/en
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Publication of KR0133040Y1 publication Critical patent/KR0133040Y1/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/30Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/356Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/0021Systems for the equilibration of forces acting on the pump

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

본 고안에 의한 로터리 압축기는, 실린더(6)내의 흡입 및 압축공간(6b)(6c)을 확대함과 동시에 상기 롤러(5)의 내주면과 회동부쉬(50)와의 관격(D)이 넓어지도록 상기 롤러(5)의 외주면이 타원형으로 형성된 것을 특징으로 하므로 이와 같이 구성된 본 고안은 실린더내의 흡입 및 압축공간이 확대되어 압축기의 효율이 향상될 뿐만 아니라 상기 롤러의 내주면과 부쉬와의 간격이 확대되어 압축기의 신뢰성이 향상된는 매우 뛰어난 효과가 있다.In the rotary compressor according to the present invention, the suction and compression spaces 6b and 6c in the cylinder 6 are enlarged and the clearance D between the inner circumferential surface of the roller 5 and the rotation bush 50 is widened. Since the outer circumferential surface of the roller 5 is formed in an elliptical shape, the present invention configured as described above increases the suction and compression space in the cylinder, thereby improving the efficiency of the compressor, as well as increasing the distance between the inner circumferential surface of the roller and the bush. The improved reliability has a very good effect.

Description

로터리 압축기Rotary compressor

제1도는 종래의 로터리 압축기를 개략적으로 도시한 종단면도.1 is a longitudinal sectional view schematically showing a conventional rotary compressor.

제2도는 종래의 압축기의 실린더와 회전축을 도시한 분해사시도.2 is an exploded perspective view showing a cylinder and a rotating shaft of a conventional compressor.

제3도는 종래의 압축기의 실린더와 회전축을 도시한 결합단면도.3 is a cross-sectional view showing a cylinder and a rotating shaft of a conventional compressor.

제4도는 본 고안의 압축기의 실린더와 회전축을 도시한 분해사시도.Figure 4 is an exploded perspective view showing a cylinder and a rotating shaft of the compressor of the present invention.

제5도는 본 고안의 압축기의 실린더와 회전축을 도시한 결합단면도이다.5 is a cross-sectional view showing a cylinder and a rotating shaft of the compressor of the present invention.

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

30 : 회전축 3a : 편심축30: rotation axis 3a: eccentric shaft

5 : 롤러 6 : 실린더5: roller 6: cylinder

6a : 슬롯부 6b, 6c : 흡입 및 압축공간6a: slot 6b, 6c: suction and compression space

6d, 6e : 흡입 및 토출구 20, 70 : 베인6d, 6e: suction and discharge ports 20, 70: vanes

50 : 회동부쉬50: Rotating Bush

본 고안은 공기조화기, 냉장고등에 적용되어 냉매등의 유체를 압축하여 토출시키는 로터리 압축기에 관한 것으로서, 특히 실린더내에서 스윙운동하는 롤러의 외주면을 타원형으로 형성하여 압축용량을 확대시킨 로터리 압축기에 관한 것이다.The present invention relates to a rotary compressor that is applied to an air conditioner, a refrigerator, and the like to compress and discharge a fluid such as a refrigerant, and more particularly, to a rotary compressor having an elliptical shape of an outer circumferential surface of a roller that swings in a cylinder to expand its compression capacity. will be.

일반적으로 로터리 압축기는, 제1도에 도시한 바와 같이, 밀폐된 케이스(1)의 내측에는 고정자(2)가 고정 설치되어 있고, 상기 고정자(2)의 내측에는 회전축(3)을 갖는 회전자(4)가 회전자유롭게 설치되어 있으며, 상기 회전축(3)의 하측에 편심형성된 편심축(3a)의 외측에는 롤러(5)가 삽입설치되어 있고, 상기 편심축(3a) 및 롤러(5)는 실린더(6)의 내측에서 회전 자유롭게 설치되어 있으며, 상기 실린더(6)의 상하측에는 상기 회전축(3)을 회전가능케 지지하는 상부 및 하부플랜지(7)(8)가 체결고정되어 있다.In general, as shown in FIG. 1, a rotary compressor has a stator 2 fixed inside the sealed case 1, and a rotor having a rotation shaft 3 inside the stator 2. (4) is freely installed, the roller (5) is inserted in the outer side of the eccentric shaft (3a) formed eccentrically below the rotary shaft (3), the eccentric shaft (3a) and the roller (5) The inside of the cylinder 6 is rotatably installed, and upper and lower flanges 7 and 8 for fastening and rotatably supporting the rotating shaft 3 are fastened and fixed to the upper and lower sides of the cylinder 6.

그리고, 상기 상부플랜지부(7)의 상측에는 실린더(6)내에서 압축된 냉매가스를 토출시키는 머플러(9)가 체결고정되어 있으며, 상기 실린더(6)의 일측에는 냉매의 흡입에 따른 소음이나 진동을 감쇄시키는 어큐뮬레이터(10)가 흡입관(11)을 개재하여 접속되어 있고, 상기 케이스(1)의 상측에는 상기 머플러(9)를 통하여 토출된 냉매가스를 케이스(1)의 외측으로 토출시키는 토출관(12) 접속되어 있다.In addition, a muffler 9 for discharging the refrigerant gas compressed in the cylinder 6 is fastened and fixed to an upper side of the upper flange portion 7, and one side of the cylinder 6 has a noise caused by suction of the refrigerant. An accumulator 10 for damping vibration is connected via a suction pipe 11, and an upper side of the case 1 discharges the refrigerant gas discharged through the muffler 9 to the outside of the case 1. The pipe 12 is connected.

또한, 상기 회전축(3)의 내측에는 케이스(1)내에 저류된 오일을 상승시켜 상기 실린더(6)의 내측 및 상부플랜지(7)의 내측등으로 공급하는 오일픽업부재(14)가 삽입설치되어 있다.In addition, an oil pick-up member 14 is inserted into the rotation shaft 3 to supply oil stored in the case 1 to the inside of the cylinder 6 and to the inside of the upper flange 7. have.

제2도 및 제3도에 도시한 바와 같이, 상기 실린더(6)의 내주면에는 회전축(3)의 하단에 편심되게 형성된 편심축(3a)의 외주면에 삽설된 롤러(5)를 개재하여 회전되도록 설치되어 있고, 상기 실린더(6)의 슬롯부(6a)에는 상기 편심축(3a)의 편심 회전에 따라 흡입공간(6b) 및 토축공간(6c)을 구획하도록 롤러(5)와 미끄럼접촉하는 베인(20)이 탄성부재(21)를 개재하여 설치되어 있다.As shown in FIGS. 2 and 3, the inner circumferential surface of the cylinder 6 is rotated via a roller 5 inserted in the outer circumferential surface of the eccentric shaft 3a eccentrically formed at the lower end of the rotating shaft 3. A vane in sliding contact with the roller 5 so as to partition the suction space 6b and the earth storage space 6c in the slot portion 6a of the cylinder 6 according to the eccentric rotation of the eccentric shaft 3a. 20 is provided via the elastic member 21.

상기 실린더(6)는 상기 흡입 및 토출공간(6b)(6c)에 상기 편심축(3a)의 회전에 따라 냉매를 흡입 및 압축하여 토출시키는 흡입 및 토출구(6d)(6e)가 각각 형성되어 있다.In the cylinder 6, suction and discharge ports 6d and 6e are formed in the suction and discharge spaces 6b and 6c, respectively, for sucking and compressing and discharging the refrigerant according to the rotation of the eccentric shaft 3a. .

따라서, 이와 같이 구성된 종래의 압축기는 고정자(2)에 전류가 인가됨에 따라 형성되는 자장에 의해 회전자(4) 및 회전축(3)이 회전 작동하면, 상기 회전축(3)과 일체로 회전하는 편심축(3a) 및 롤러(5)의 편심회전에 의해 실린더(6)의 내부에는 흡입공간(6b) 및 압축공간(6c)으로 구획형성하도록 베인(20)이 슬롯부(6a)내에서 탄성부재(21)의 탄발력을 받아서 롤러(5)와 미끄럼접촉하며, 상기 편심축(3a)의 편심회전에 따라 작용하는 흡입력에 의해 어큐뮬레이터(10) 및 흡입관(11)을 통해 상기 흡입공간(6b)에 형성된 흡입구(6d)로 냉매가 흡입되고, 실린더(6)의 내부로 유입된 냉매는 편심축(3a)의 편심회전에 따른 롤러(5)의 작동에 의해 소정의 압력으로 압축된 후 머플러(9) 및 토출관(12)을 통하여 토출되어 진다.Therefore, in the conventional compressor configured as described above, when the rotor 4 and the rotating shaft 3 rotate by a magnetic field formed by applying a current to the stator 2, the eccentric rotates integrally with the rotating shaft 3. By the eccentric rotation of the shaft 3a and the roller 5, the vane 20 is formed in the slot portion 6a so that the vanes 20 are partitioned into the suction space 6b and the compression space 6c. The suction space (6b) through the accumulator (10) and the suction pipe (11) by the suction force acting in accordance with the eccentric rotation of the eccentric shaft (3a) in sliding contact with the roller 5 receives the elastic force of the (21) The refrigerant is sucked into the suction port 6d formed in the cylinder 6, and the refrigerant introduced into the cylinder 6 is compressed to a predetermined pressure by the operation of the roller 5 according to the eccentric rotation of the eccentric shaft 3a, and then the muffler ( 9) and discharge through the discharge tube (12).

그리고, 상기 회전축(3)의 작동에 따라 회전되는 오일픽업부재(14)는 케이스(1)내에 저류된 오일(13)을 상승시켜 회전축(3)의 외주면을 통하여 토출시킴으로써 실린더(6)의 내측이나 상부플랜지(7)의 내측으로 오일(13)을 공급하여 원활한 회전작동이 이루어지게 되는 것이다.'In addition, the oil pick-up member 14 rotated according to the operation of the rotating shaft 3 raises the oil 13 stored in the case 1 and discharges it through the outer circumferential surface of the rotating shaft 3 to thereby form the inner side of the cylinder 6. Or by supplying the oil (13) to the inside of the upper flange (7) will be made smooth rotation operation.

그러나, 이와 같이 구성된 종래의 로터리 압축기에 의하면, 상기 실린더(6)내에서 편심축에 의해 편심회전되면서 실린더(6)의 내주면과 구름접촉하며 흡입구(6d)를 통해 유입된 공기 냉매를 압축 및 토출시키도록 작용하는 롤러(5)와 상기 롤러(5)내의 회동부쉬(50)와의 간극이 좁게 형성되어 있기 때문에 취약하며 롤러(5)가 원형으로 형성되어 상기 실린더(6)내의 압축 및 흡입공간이 일정하여 압축기의 압축효율이 저하된다는 문제점이 있었다.However, according to the conventional rotary compressor configured as described above, the circumferential rotation of the cylinder (6) by the eccentric shaft in contact with the inner circumferential surface of the cylinder (6) and compresses and discharges the air refrigerant introduced through the inlet (6d) Since the gap between the roller 5 and the rotating bush 50 in the roller 5 is narrow, the roller 5 is formed in a circular shape so that the compression and suction space in the cylinder 6 There was a problem in that the compression efficiency of the compressor is lowered.

따라서, 본 고안은 상술한 바와 같은 문제점을 해결하기 위해 제안된 것으로써, 본 고안의 목적은 압축용량을 확대시켜 압축기의 효율을 향상시키고 롤러내의 회동부쉬가 삽입된 부분의 취약점을 개선하여 압축기의 신뢰성을 향상시킨 로터리 압축기를 제공하는 데 있다.Therefore, the present invention has been proposed to solve the above problems, the object of the present invention is to increase the compression capacity to improve the efficiency of the compressor and to improve the weakness of the portion in which the rotating bush in the roller is inserted It is to provide a rotary compressor with improved reliability.

상기 목적을 달성하기 위하여 이루어진 본 고안에 의한 로터리 압축기는, 실린더내의 흡입 및 압축공간을 확대함과 동시에 상기 롤러의 내주면과 회동부쉬와의 간격이 넓어지도록 상기 롤러의 외주면이 타원형으로 형성된 것을 특징으로 한다.Rotary compressor according to the present invention made to achieve the above object, characterized in that the outer peripheral surface of the roller is formed in an elliptical shape so as to enlarge the suction and compression space in the cylinder and the interval between the inner peripheral surface of the roller and the rotational bush do.

이하, 본 고안의 실시예에 관하여 첨부 도면을 참조하면서 상세히 설명한다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도면에서 종래의 구성과 동일한 부분에 대해서는 동일 부호를 붙이고 그에 대한 상세한 설명은 생략한다.In the drawings, the same parts as in the conventional construction are denoted by the same reference numerals and detailed description thereof will be omitted.

제4도 및 제5도에 도시된 바와 같이, 실리더(6)의 내주면에는 회전축(3)의 하단에 편심되게 형성된 편심축(3a)의 외주면에 삽설된 롤러(5)를 개재하여 회전되도록 설치되어 있고, 상기 롤러(5)에는 그 외주면 일측에 개구형성된 원형 부쉬수용홈(5a)에는 후술하는 베인이 상기 편심축(3a)의 편심회전에 따라 직선 왕복운동하도록 가이드함과 동시에 냉매의 누출을 방지하도록 요홈부(51)를 가진 회동부쉬(50)가 회전 가능케 삽입되어 있으며, 상기 실린더(6)의 슬롯부(6a)에는 상기 편심축(3a)의 편심 회전에 따라 흡입공간(6b) 및 토출공간(6c)을 구획하도록 롤러(5)의 부쉬수용홈(5a)에 삽입된 회동부쉬(50)의 직선 왕복운동에 따라 그 요홈부(51)내에 삽입되도록 베인(70)이 압입고정되어 있다.As shown in FIGS. 4 and 5, the inner circumferential surface of the cylinder 6 is rotated via the roller 5 inserted in the outer circumferential surface of the eccentric shaft 3a eccentrically formed at the lower end of the rotation shaft 3. The roller 5 has a circular bush receiving groove 5a formed at one side of its outer circumferential surface and guides vanes to be described later so as to linearly reciprocate along the eccentric rotation of the eccentric shaft 3a. A rotating bush 50 having a recess 51 is rotatably inserted in order to prevent the opening, and a suction space 6b is inserted into the slot 6a of the cylinder 6 according to the eccentric rotation of the eccentric shaft 3a. And the vane 70 is press-fitted to be inserted into the recess 51 according to the linear reciprocating motion of the rotational bush 50 inserted into the bush accommodation groove 5a of the roller 5 so as to partition the discharge space 6c. It is.

상기 실린더(6)는 상기 흡입 및 토출공간(6b)(6c)에 상기 편심축(3a)의 회전에 따라 냉매를 흡입 및 압축하여 토출시키는 흡입 및 토출구(6d)(6e)가 각각 형성되어 있다.In the cylinder 6, suction and discharge ports 6d and 6e are formed in the suction and discharge spaces 6b and 6c, respectively, for sucking and compressing and discharging the refrigerant according to the rotation of the eccentric shaft 3a. .

이때, 상기 롤러(5)는 상기 실린더(6)내의 흡입 및 압축공간(6b)(6c)을 확대함과 동시에 상기 롤러(5)내에 삽입된 회동부쉬(50)와의 간격(D)이 넓어지도록 그 외주면이 타원형으로 형성되어 있다.At this time, the roller 5 expands the suction and compression spaces 6b and 6c in the cylinder 6 and at the same time widens the interval D with the rotation bush 50 inserted into the roller 5. The outer peripheral surface is formed in an elliptical shape.

이와 같이 구성된 본 고안의 작용 및 효과를 다음에 설명한다.The operation and effects of the present invention configured as described above will be described below.

먼저, 고정자(2)에 전류가 인가됨에 따라 형성되는 자장에 의해 회전자(4) 및 회전축(3)이 회전 작동하면, 상기 회전축(3)과 일체로 편심축(3a)이 편심회전하고, 상기 편심축(3a)의 외주면에 설치된 롤러(5)가 스윙운동하게 되고, 상기 롤러(5)의 부쉬수용홈(5a)내에 삽입된 회동부쉬(50)는 그 요홈부(51)에 일단이 삽입된 상기 베인(70)이 상기 롤러(5)의 스윙운동에 따라 상기 요홈부(51)내에서 직선왕복운동하며 상기 실린더(6)의 내부를 흡입공간(6b) 및 압축공간(6c)으로 구획형성하게 된다.First, when the rotor 4 and the rotation shaft 3 rotate by a magnetic field formed by applying current to the stator 2, the eccentric shaft 3a is eccentrically rotated integrally with the rotation shaft 3, The roller 5 installed on the outer circumferential surface of the eccentric shaft 3a swings, and the rotating bush 50 inserted into the bush accommodation groove 5a of the roller 5 has one end thereof in the recess 51. The inserted vane 70 linearly reciprocates in the recess 51 according to the swing movement of the roller 5 and moves the inside of the cylinder 6 to the suction space 6b and the compression space 6c. Compartmentalization.

상기 편심축(3a)의 편심회전에 따라 작용하는 흡입력에 의해 어큐뮬레이터(10) 및 흡입관(11)을 통해 상기 흡입공간(6b)에 형성된 흡입구(6d)로 냉매가 흡입되고, 실린더(6)의 내부로 유입된 냉매는 편심축(3a)의 편심회전에 따른 롤러(5)의 작동에 의해 소정의 압력으로 압축된 후 머플러(9) 및 토출관(12)을 통하여 토출되어 진다.The refrigerant is sucked into the suction port 6d formed in the suction space 6b through the accumulator 10 and the suction pipe 11 by the suction force acting on the eccentric rotation of the eccentric shaft 3a, and the cylinder 6 The refrigerant introduced therein is compressed to a predetermined pressure by the operation of the roller 5 according to the eccentric rotation of the eccentric shaft 3a and then discharged through the muffler 9 and the discharge tube 12.

그리고, 상기 회전축(3)의 작동에 따라 회전되는 오일픽업부재(14)는 케이스(1)내에 저류된 오일(13)을 상승시켜 회전축(3)의 외주면을 통하여 토출시킴으로써 실린더(6)의 내측이나 상부플랜지(7)의 내측으로 오일(13)을 공급하여 원활한 회전작동이 이루어지게 되는 것이다.In addition, the oil pick-up member 14 rotated according to the operation of the rotating shaft 3 raises the oil 13 stored in the case 1 and discharges it through the outer circumferential surface of the rotating shaft 3 to thereby form the inner side of the cylinder 6. Or by supplying the oil (13) to the inside of the upper flange (7) is to achieve a smooth rotation operation.

앞에서 설명한 바와 같이, 본 고안에 의한 로터리 압축기에 의하면, 편심축의 편심회전에 따라 스윙운동하는 롤러의 외주면이 타원형으로 형성되어 있기 때문에 실린더내의 흡입 및 압축공간이 확대되어 압축기의 효율이 향상될 뿐만 아니라 상기 롤러의 내주면과 회동부쉬와의 간격이 확대되어 압축기의 신뢰성이 향상되는 매우 뛰어난 효과가 있다.As described above, according to the rotary compressor according to the present invention, since the outer circumferential surface of the roller that swings in accordance with the eccentric rotation of the eccentric shaft is formed in an elliptical shape, the suction and compression space in the cylinder are enlarged, thereby improving the efficiency of the compressor. The distance between the inner circumferential surface of the roller and the rotating bush is increased, thereby improving the reliability of the compressor.

Claims (1)

실린더(6)내의 흡입 및 압축공간(6b)(6c)을 확대함과 동시에 상기롤러(5)의 내부면과 회동부쉬(50)와의 간격(D)이 넓어지도록 상기 롤러(5)의 외주면이 타원형으로 형성된 것을 특징으로 하는 로터리 압축기.The outer circumferential surface of the roller 5 is enlarged so as to enlarge the suction and compression spaces 6b and 6c in the cylinder 6, and at the same time, the distance D between the inner surface of the roller 5 and the rotation bush 50 is widened. Rotary compressor, characterized in that formed in the oval.
KR2019960024463U 1996-08-14 1996-08-14 A rotary compressor KR0133040Y1 (en)

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