KR20050040409A - Valve assembly of rotary compressor - Google Patents
Valve assembly of rotary compressor Download PDFInfo
- Publication number
- KR20050040409A KR20050040409A KR1020030075604A KR20030075604A KR20050040409A KR 20050040409 A KR20050040409 A KR 20050040409A KR 1020030075604 A KR1020030075604 A KR 1020030075604A KR 20030075604 A KR20030075604 A KR 20030075604A KR 20050040409 A KR20050040409 A KR 20050040409A
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- KR
- South Korea
- Prior art keywords
- discharge hole
- discharge
- discharged
- valve
- rotary compressor
- Prior art date
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Classifications
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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
- F04B39/10—Adaptations or arrangements of distribution members
- F04B39/1073—Adaptations or arrangements of distribution members the members being reed valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-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
- F04C18/34—Rotary-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
- F04C18/356—Rotary-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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
- F04C29/124—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps
- F04C29/126—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps of the non-return type
- F04C29/128—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps of the non-return type of the elastic type, e.g. reed valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/50—Bearings
Abstract
본 발명은 회전식 압축기의 토출 밸브장치에 관한 것으로서, 소정 형상으로 형성되어 회전축의 편심부가 삽입되는 실린더의 압축공간을 복개함과 아울러, 상기 회전축을 지지하여 그 일측에 상기 압축공간에서 압축된 가스가 토출되는 토출홀이 구비된 상부 베어링과, 상기 상부베어링의 토출홀에 접촉되며 상기 토출홀을 개폐하는 밸브와, 상기 토출홀을 통해 압축 가스가 토출될 시 발생되는 사체적을 저감하기 위해 상기 밸브에 상기 토출홀에 삽입 가능하도록 돌출된 사체적 저감돌기가 구비되어 구성됨으로써, 압축된 가스를 토출 시 상부베어링에 형성된 토출홀에서 발생되는 사체적을 저감하여 압축효율이 향상될 수 있도록 한 것이다.The present invention relates to a discharge valve device of a rotary compressor, which is formed in a predetermined shape to cover the compressed space of the cylinder into which the eccentric portion of the rotating shaft is inserted, and also supports the rotating shaft to compress the gas in the compressed space on one side thereof. An upper bearing having a discharge hole to be discharged, a valve contacting the discharge hole of the upper bearing to open and close the discharge hole, and a valve to reduce the dead volume generated when the compressed gas is discharged through the discharge hole. It is configured to be provided with a private volume reduction protrusion protruding to be inserted into the discharge hole, thereby reducing the dead volume generated in the discharge hole formed in the upper bearing when the compressed gas is discharged to improve the compression efficiency.
Description
본 발명은 회전식 압축기의 토출 밸브장치에 관한 것으로서, 보다 상세하게는 토출홀을 개폐하는 밸브에 사체적 저감돌기를 형성하여 상부베어링에 형성된 토출홀을 통해 압축된 가스가 토출될 시 압축된 가스가 토출되지 않고 실린더의 압축공간 내부에 남게되는 사체적을 축소시켜 압축효율이 향상될 수 있도록 하는 회전식 압축기의 토출 밸브장치에 관한 것이다.The present invention relates to a discharge valve device of a rotary compressor, and more specifically, a compressed gas is discharged when a compressed gas is discharged through a discharge hole formed in an upper bearing by forming a private reducing protrusion in a valve that opens and closes the discharge hole. It relates to a discharge valve device of a rotary compressor to reduce the dead volume remaining in the compression space of the cylinder without being discharged to improve the compression efficiency.
일반적으로 회전식 압축기는 원심력에 의하지 않고 실린더 내의 회전자를 회전시켜 가스를 압축시키는 것으로, 크랭크축의 하부에 장착된 편심된 롤러의 회전에 연동 하여 실린더의 내주면을 따라 공전 및 자전하는 운동에 의해 가스를 흡입, 압축하는 기기이며, 상기 밀폐형 압축기에 장착되는 어큐뮬레이터는 상기 회전식 압축기에 흡입되는 가스에서 액체 냉매 및 불순물을 분리하는 역할을 수행한다.In general, a rotary compressor compresses gas by rotating a rotor in a cylinder without centrifugal force. The rotary compressor rotates and rotates along an inner circumferential surface of a cylinder in conjunction with rotation of an eccentric roller mounted at a lower part of the crankshaft. A device for suction and compression, and the accumulator mounted in the hermetic compressor serves to separate the liquid refrigerant and impurities from the gas sucked into the rotary compressor.
이러한 회전식 압축기는 도 1에 도시한 바와 같이 회전식 압축기는 소정의 내부 수용공간을 갖으며 흡입관(14) 및 토출관(15)이 형성된 밀폐용기(1)가 있고, 상기 밀폐용기(1)의 내부에는 고정자(2)와 회전자(3) 등으로 구성되는 전동기구부가 설치되어 있으며, 상기 회전자(3)의 내경에 압입되며 하부에 편심부(4a)가 형성된 회전축(4)과, 상기 회전축(4)의 편심부(4a)를 감싸며 상부베어링(5) 및 하부베어링(6)과 함께 볼트(7)에 의해 결합되어 있는 실린더(8)와 상기 회전축(4)의 편심부(4a)에 삽입되어 상기 실린더(8)의 내경을 접하면서 자전 및 공전하는 롤링피스톤(9)과, 상기 롤링피스톤(9)의 외주면과 슬라이딩 접촉되면서 상기 실린더(8) 내부를 고압부와 저압부로 분리하며 직선 운동하는 베인(도시되지 않음) 등으로 구성되는 압축기구부가 설치되어 구성된다.As shown in FIG. 1, the rotary compressor has a sealed container 1 having a predetermined inner receiving space and having a suction pipe 14 and a discharge pipe 15 formed therein, and inside the sealed container 1. It is provided with a motor mechanism consisting of a stator (2) and a rotor (3), the rotary shaft 4 is pressed into the inner diameter of the rotor 3, the eccentric portion (4a) is formed at the bottom, and the rotary shaft On the eccentric portion 4a of the rotating shaft 4 and the cylinder 8, which is enclosed by the eccentric portion 4a of (4) and is coupled by a bolt 7 together with the upper bearing 5 and the lower bearing 6; The rolling piston 9 is inserted into and in contact with the inner diameter of the cylinder 8 to rotate and rotate, and is in sliding contact with the outer circumferential surface of the rolling piston 9 to separate the inside of the cylinder 8 into a high pressure part and a low pressure part, and to move linearly. Compressor mechanism is composed of a vane (not shown) or the like is installed.
상기 실린더(8)의 저압부에는 냉매가스가 상기 실린더(8) 내부로 유입되는 흡입구(8b)가 형성되어 있고, 상기 흡입구(8b)는 상기 밀폐용기(1)의 측부에 설치되는 어큐뮬레이터(13)와 흡입관(14)에 의해 연결되어 있다.The low pressure part of the cylinder 8 is formed with an inlet 8b through which refrigerant gas flows into the cylinder 8, and the inlet 8b is an accumulator 13 installed at the side of the sealed container 1. ) And the suction pipe (14).
상기 베인에 의해 고압부를 이루는 상기 실린더(8)의 일 측에 압축된 냉매가스를 토출하는 토출포트(8a)가 형성되어 있고, 상기 상부베어링(5)의 일 측에 상기 토출포트(8a)와 연통 되게 토출홀(5a)이 형성되어 있다.A discharge port 8a for discharging the compressed refrigerant gas is formed at one side of the cylinder 8 forming the high pressure part by the vane, and the discharge port 8a is disposed at one side of the upper bearing 5. The discharge hole 5a is formed in communication.
상기 상부베어링(5)의 상면에는 일정압 이상이 되면 상기 토출홀(5a)을 개방하는 밸브(20)와, 그 밸브(20)의 열림 상태를 한정, 지지하는 리테이너(21)가 함께 고정구(23)로 체결되어 결합된다.On the upper surface of the upper bearing 5, a valve 20 for opening the discharge hole 5a when the pressure exceeds a predetermined pressure, and a retainer 21 for limiting and supporting the open state of the valve 20 are fixed together. 23) are fastened and combined.
또한, 상기 상부베어링(5)의 상부에는 토출가스의 토출 소음을 저감시키는 소음기(12)가 복개되어 결합된다.In addition, the upper portion of the upper bearing 5 is coupled to the silencer 12 for reducing the discharge noise of the discharge gas is coupled.
이와 같이 구성된 회전식 압축기에 전류가 공급되어 상기 회전자(3)가 회전하면서 상기 회전축(4)을 회전시키면, 상기 회전축(4)의 회전에 의해 상기 편심부(4a)에 장착된 상기 롤링피스톤(9)이 상기 실린더(8) 내부를 상기 베인과 접촉된 상태에서 회전하게 되고, 상기 회전축(4)과 롤링피스톤(9)의 회전에 의해 상기 어큐뮬레이터(13)를 통과해 유입된 저온저압의 냉매가스가 상기 흡입관(14)과 흡입구(8b)를 통해 상기 실린더(8) 내부로 흡입되어 고온 고압의 냉매가스로 압축된다.When a current is supplied to the rotary compressor configured as described above and the rotor 3 rotates to rotate the rotary shaft 4, the rolling piston mounted to the eccentric portion 4a by the rotation of the rotary shaft 4 ( 9) rotates the inside of the cylinder (8) in contact with the vane, the low-temperature low-pressure refrigerant flowing through the accumulator (13) by the rotation of the rotating shaft (4) and the rolling piston (9) Gas is sucked into the cylinder (8) through the suction pipe (14) and the suction port (8b) and compressed into a refrigerant gas of high temperature and high pressure.
상기 실린더(8)에서 가스가 일정압 이상으로 압축되면 상기 리테이너(21)에 지지되어 닫혀 있던 상기 밸브(20)가 열리면서 압축된 고온, 고압의 가스가 상기 토출포트(8a) 및 토출홀(5a)을 통해 상기 소음기(12)를 거쳐 상기 밀폐용기(1) 내부로 토출되며, 그 토출된 가스는 상기 밀폐용기(1)의 상부에 형성된 토출관(15)을 통해 외부로 토출된다.When gas is compressed in the cylinder 8 to a predetermined pressure or more, the valve 20, which is supported and closed by the retainer 21, is opened, and compressed high-pressure and high-pressure gas is discharged to the discharge port 8a and the discharge hole 5a. ) Is discharged into the sealed container (1) through the silencer 12, the discharged gas is discharged to the outside through the discharge pipe 15 formed on the top of the sealed container (1).
그러나, 상기와 같은 회전식 압축기에 있어서 압축된 가스가 토출홀(5a)을 통해 토출될 시 압축된 가스가 밸브(20)를 거쳐 밀폐용기(1) 내부에 모두 토출되지 않고 밸브(20)와 실린더(8) 압축공간 사이에 형성된 토출홀(5a)에 남게된다. However, in the rotary compressor as described above, when the compressed gas is discharged through the discharge hole 5a, the compressed gas is not discharged to the inside of the sealed container 1 via the valve 20, and the valve 20 and the cylinder are not discharged. (8) It remains in the discharge hole 5a formed between the compression spaces.
즉, 토출홀(5a)에 의해 형성되는 공간이 압축된 가스가 토출되지 못하고 잔류하는 사체적으로 형성되어 압축성능을 저해하는 문제점 등이 발생된다.That is, the space formed by the discharge hole 5a is formed into a dead body remaining without being discharged with compressed gas, thereby causing a problem of inhibiting compression performance.
상기와 같은 점을 감안하여 안출한 본 발명의 목적은 압축된 가스가 토출되지 않고 압축공간에 잔류하는 사체적을 축소시켜 압축기의 압축성능을 향상시킬 수 있도록 하는 회전식 압축기의 토출 밸브장치를 제공함에 있다.An object of the present invention devised in view of the above point is to provide a discharge valve device of a rotary compressor to reduce the dead volume remaining in the compressed space without being discharged compressed gas to improve the compression performance of the compressor. .
상기와 같은 본 발명의 목적을 달성하기 위한 회전식 압축기의 토출 밸브장치는 소정 형상으로 형성되어 회전축의 편심부가 삽입되는 실린더의 압축공간을 복개함과 아울러, 상기 회전축을 지지하여 그 일측에 상기 압축공간에서 압축된 가스가 토출되는 토출홀이 구비된 상부 베어링과, 상기 상부베어링의 토출홀에 접촉되며 상기 토출홀을 개폐하는 밸브와, 상기 토출홀을 통해 압축 가스가 토출될 시 발생되는 사체적을 저감하기 위해 상기 밸브에 상기 토출홀에 삽입 가능하도록 돌출된 사체적 저감돌기가 구비되어 구성된다.The discharge valve device of the rotary compressor for achieving the object of the present invention as described above is formed in a predetermined shape to cover the compression space of the cylinder into which the eccentric portion of the rotary shaft is inserted, and also to support the rotary shaft to the compression space on one side The upper bearing having a discharge hole through which the compressed gas is discharged, the valve contacting the discharge hole of the upper bearing and opening and closing the discharge hole, and the dead volume generated when the compressed gas is discharged through the discharge hole. To this end, the valve is provided with a private volume reducing protrusion protruding to be inserted into the discharge hole.
또한, 상기 사체적 저감돌기는 상기 토출홀과 대응되는 형상을 갖음과 동시에 상기 토출홀을 개폐할 시 상기 토출홀과 간섭이 발생되지 않도록 테이퍼진 형상으로 돌출되는 테이퍼부가 구비되어 구성되는 것이 바람직하다.In addition, it is preferable that the dead volume reducing protrusion has a shape corresponding to the discharge hole and is provided with a tapered portion protruding in a tapered shape so as not to interfere with the discharge hole when opening and closing the discharge hole. .
이하 본 발명의 일 실시예인 회전식 압축기의 토출 밸브장치를 첨부된 도면을 참조하여 보다 상세히 설명하면 다음과 같고, 종래 구조와 동일한 부분에 대하여는 동일한 부호를 부여하여 설명한다.Hereinafter, a discharge valve device of a rotary compressor according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings, and the same parts as in the conventional structure will be described with the same reference numerals.
도 3은 본 발명의 일 실시예인 토출 밸브장치가 장착된 회전식 압축기를 도시한 단면도이고, 도 4는 도 3에 도시된 토출 밸브장치를 분해하여 도시한 분해 사시도로써, 도시된 바와 같이 본 발명의 일 실시예인 토출 밸브장치가 장착된 회전식 압축기는 소정의 내부 수용공간을 갖으며 흡입관(14) 및 토출관(15)이 형성된 밀폐용기(1)가 있고, 상기 밀폐용기(1)의 내부에는 고정자(2)와 회전자(3) 등으로 구성되는 전동기구부가 설치되어 있으며, 상기 회전자(3)의 내경에 압입되며 하부에 편심부(4a)가 형성된 회전축(4)과, 상기 회전축(4)의 편심부(4a)를 감싸며 상부베어링(5) 및 하부베어링(6)과 함께 볼트(7)에 의해 결합되어 있는 실린더(8)와 상기 회전축(4)의 편심부(4a)에 삽입되어 상기 실린더(8)의 내경을 접하면서 자전 및 공전하는 롤링피스톤(9)과, 상기 롤링피스톤(9)의 외주면과 슬라이딩 접촉되면서 상기 실린더(8) 내부를 고압부와 저압부로 분리하며 직선 운동하는 베인(도시되지 않음) 등으로 구성되는 압축기구부가 설치되어 구성된다.Figure 3 is a cross-sectional view showing a rotary compressor equipped with a discharge valve device is an embodiment of the present invention, Figure 4 is an exploded perspective view showing the discharge valve device shown in Figure 3, the present invention as shown The rotary compressor equipped with the discharge valve device according to an embodiment has a predetermined inner receiving space and a sealed container 1 having a suction pipe 14 and a discharge pipe 15 formed therein, and a stator inside the sealed container 1. A rotating mechanism 4 including a rotating mechanism 3 composed of the rotor 2, the rotor 3, and the like, press-fitted into the inner diameter of the rotor 3, and an eccentric portion 4a formed at a lower portion thereof, and the rotating shaft 4 It is inserted into the cylinder (8) and the eccentric portion (4a) of the rotating shaft (4) which surrounds the eccentric portion (4a) of the c) and are coupled by the bolt (7) together with the upper bearing (5) and the lower bearing (6). A rolling piston 9 which rotates and revolves while contacting the inner diameter of the cylinder 8, and the rolling As the outer peripheral surface in contact with the sliding of the stone (9) of the cylinder (8), remove the internal parts of the high pressure and low pressure, and (not shown) the vanes to linear motion is the compression mechanism portion is configured to be installed and the like.
상기 실린더(8)의 저압부에는 냉매가스가 상기 실린더(8) 내부로 유입되는 흡입구(8b)가 형성되어 있고, 상기 흡입구(8b)는 상기 밀폐용기(1)의 측부에 설치되는 어큐뮬레이터(13)와 흡입관(14)에 의해 연결되어 있다.The low pressure part of the cylinder 8 is formed with an inlet 8b through which refrigerant gas flows into the cylinder 8, and the inlet 8b is an accumulator 13 installed at the side of the sealed container 1. ) And the suction pipe (14).
상기 베인에 의해 고압부를 이루는 상기 실린더(8)의 일 측에 압축된 냉매가스를 토출 하는 토출포트(8a)가 형성되어 있고, 상기 상부베어링(5)의 일 측에 상기 토출포트(8a)와 연통 되게 토출홀(5a)이 형성되어 있다.A discharge port 8a for discharging the compressed refrigerant gas is formed at one side of the cylinder 8 forming the high pressure part by the vane, and the discharge port 8a is disposed at one side of the upper bearing 5. The discharge hole 5a is formed in communication.
상부베어링(5)의 상면에는 일정압 이상이 되면 토출홀(5a)을 개방하여 압축된 가스가 토출되도록 하는 밸브(120)와, 그 밸브(120)의 열림 상태를 한정 및 지지하는 리테이너(121)가 함께 고정구(123)로 체결되어 결합된다. 토출밸브(120)에는 토출홀(5a)과 접하는 일측면에 소정의 높이로 돌출된 사체적 저감돌기(124)가 형성되고, 사체적 저감돌기(124)는 밸브(120)가 토출홀(5a)을 개폐할 시 토출홀(5a)과 간섭이 발생되는 것을 방지하도록 테이퍼진 형상으로 돌출된다.The upper surface of the upper bearing 5, the valve 120 to open the discharge hole (5a) to discharge the compressed gas when a predetermined pressure or more, and the retainer 121 to limit and support the open state of the valve 120 ) Are fastened together by the fastener 123 is coupled. The discharge valve 120 is formed with a private volume reducing protrusion 124 protruding at a predetermined height on one side of the discharge hole 5a, the valve 120 is the discharge hole 5a ) Is projected in a tapered shape to prevent the interference with the discharge hole (5a) when opening and closing.
또한, 상기 상부베어링(5)의 상부에는 토출가스의 토출 소음을 저감시키는 소음기(12)가 복개되어 결합된다.In addition, the upper portion of the upper bearing 5 is coupled to the silencer 12 for reducing the discharge noise of the discharge gas is coupled.
상기와 같이 구성된 본 발명의 일 실시예인 토출 밸브 장치가 장착된 회전식 압축기에 전류가 공급되면 회전축(4)의 회전에 의해 실린더(8)의 내부에 흡입된 가스가 압축되어 일정압 이상으로 압축되고, 그 압력에 의해 리테이너(121)에 지지되어 닫혀 있던 밸브(120)가 열리면서 압축된 고온, 고압의 가스가 상기 토출포트(8a) 및 토출홀(5a)을 통해 상기 소음기(12)를 거쳐 상기 밀폐용기(1) 내부로 토출되며, 그 토출된 가스는 상기 밀폐용기(1)의 상부에 형성된 토출관(15)을 통해 외부로 토출된다.When a current is supplied to the rotary compressor equipped with the discharge valve device, which is an embodiment of the present invention configured as described above, the gas sucked into the cylinder 8 by the rotation of the rotary shaft 4 is compressed to be compressed to a predetermined pressure or more. The high pressure and high pressure gas is compressed through the discharge port 8a and the discharge hole 5a through the silencer 12 through opening of the valve 120 supported by the retainer 121 and closed by the pressure. It is discharged into the sealed container 1, the discharged gas is discharged to the outside through the discharge pipe 15 formed on the upper portion of the sealed container (1).
이때, 밸브(120)에 형성된 사체적 저감돌기(124)가 토출홀(5a)의 내부에 삽입된 상태에서 밸브(120)가 토출홀(5a)을 개폐하며 압축된 가스를 토출시키므로, 압축된 가스가 밸브(120)를 지나 토출되지 않고 토출홀(5a)에 머무르는 사체적을 저감하여 압축성능이 향상될 수 있도록 한 것이다.In this case, the valve 120 opens and closes the discharge hole 5a and discharges the compressed gas in a state in which the private volume reducing protrusion 124 formed in the valve 120 is inserted into the discharge hole 5a. The gas is not discharged through the valve 120, but the dead volume of the gas remaining in the discharge hole 5a is reduced so that the compression performance can be improved.
이와 같이 본 발명에 의한 회전식 압축기의 토출 밸브장치는 밸브(120)의 일측면에 형성된 사체적 저감돌기(124)가 토출홀(5a)에 의해 형성된 공간에 삽입된 상태를 유지하므로 압축된 가스가 토출홀(5a)을 통해 토출될 시, 토출되지 않고 토출홀(5a) 내부에 남게되는 압축된 가스의 양이 사체적 저감돌기(124)가 차지하는 체적만큼 감소되어 압축성능이 향상되는 것이다.As described above, the discharge valve device of the rotary compressor according to the present invention maintains a state in which the dead volume reducing protrusion 124 formed on one side of the valve 120 is inserted into the space formed by the discharge hole 5a. When discharged through the discharge hole 5a, the amount of compressed gas remaining in the discharge hole 5a without being discharged is reduced by the volume occupied by the dead volume reducing protrusion 124, thereby improving the compression performance.
이상에서 살펴본 바와 같이 본 발명의 일 실시예인 회전식 압축기의 토출 밸브장치는 밸브의 일측면에 형성된 사체적 저감돌기가 토출홀에 의해 형성된 공간에 삽입된 상태를 유지하므로 압축된 가스가 토출홀을 통해 토출될 시, 토출되지 않고 토출홀 내부에 남게되는 압축된 가스의 양이 사체적 저감돌기가 차지하는 체적만큼 감소되어 압축성능이 향상되는 효과가 있다.As described above, the discharge valve device of the rotary compressor according to an embodiment of the present invention maintains a state in which the dead volume reducing protrusion formed on one side of the valve is inserted into the space formed by the discharge hole, so that the compressed gas is discharged through the discharge hole. When discharged, the amount of compressed gas remaining in the discharge hole without being discharged is reduced by the volume occupied by the dead volume reducing protrusion, thereby improving the compression performance.
도 1은 일반적인 회전식 압축기의 종단면도,1 is a longitudinal sectional view of a general rotary compressor,
도 2는 도 1의 회전식 압축기에 장착된 토출 밸브장치의 분해 사시도,FIG. 2 is an exploded perspective view of a discharge valve device mounted to the rotary compressor of FIG. 1;
도 3은 본 발명의 일 실시예인 토출 밸브장치가 장착된 회전식 압축기를 도시한 단면도,3 is a cross-sectional view showing a rotary compressor equipped with a discharge valve device according to an embodiment of the present invention;
도 4는 도 3에 도시된 토출 밸브장치를 분해하여 도시한 분해 사시도.4 is an exploded perspective view illustrating the disassembled discharge valve device shown in FIG. 3.
**도면의 주요 부분에 대한 부호의 설명**** Description of the symbols for the main parts of the drawings **
4 : 회전축 8 : 실린더 4: rotating shaft 8: cylinder
5 : 상부베어링 5a : 토출홀 5: Upper bearing 5a: Discharge hole
120 : 밸브 124 : 사체적 저감돌기120: valve 124: body reducing projection
Claims (2)
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020030075604A KR20050040409A (en) | 2003-10-28 | 2003-10-28 | Valve assembly of rotary compressor |
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020030075604A KR20050040409A (en) | 2003-10-28 | 2003-10-28 | Valve assembly of rotary compressor |
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| KR20050040409A true KR20050040409A (en) | 2005-05-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220046891A (en) * | 2020-10-08 | 2022-04-15 | 엘지전자 주식회사 | Discharge valve assembly and rotary compressor including thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220046891A (en) * | 2020-10-08 | 2022-04-15 | 엘지전자 주식회사 | Discharge valve assembly and rotary compressor including thereof |
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