KR100273421B1 - Oil supplier of linear compressor - Google Patents

Oil supplier of linear compressor Download PDF

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Publication number
KR100273421B1
KR100273421B1 KR1019980017009A KR19980017009A KR100273421B1 KR 100273421 B1 KR100273421 B1 KR 100273421B1 KR 1019980017009 A KR1019980017009 A KR 1019980017009A KR 19980017009 A KR19980017009 A KR 19980017009A KR 100273421 B1 KR100273421 B1 KR 100273421B1
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KR
South Korea
Prior art keywords
oil
oil supply
valve
linear compressor
discharge cover
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Application number
KR1019980017009A
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Korean (ko)
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KR19990084940A (en
Inventor
허경범
Original Assignee
구자홍
엘지전자주식회사
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Application filed by 구자홍, 엘지전자주식회사 filed Critical 구자홍
Priority to KR1019980017009A priority Critical patent/KR100273421B1/en
Priority to DE19921293A priority patent/DE19921293C2/en
Priority to BR9901437A priority patent/BR9901437A/en
Priority to JP11131559A priority patent/JP3022966B2/en
Priority to US09/310,784 priority patent/US6220393B1/en
Publication of KR19990084940A publication Critical patent/KR19990084940A/en
Application granted granted Critical
Publication of KR100273421B1 publication Critical patent/KR100273421B1/en

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Classifications

    • 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
    • F04B35/00—Piston 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
    • F04B35/04—Piston 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
    • F04B35/045—Piston 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 using solenoids
    • 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
    • F04B39/02—Lubrication
    • F04B39/0223—Lubrication characterised by the compressor type
    • F04B39/023—Hermetic compressors
    • F04B39/0261—Hermetic compressors with an auxiliary oil pump
    • 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
    • F04B39/02—Lubrication
    • F04B39/0284—Constructional details, e.g. reservoirs in the casing
    • F04B39/0292—Lubrication of pistons or cylinders
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2210/00—Working fluid
    • F05B2210/10—Kind or type
    • F05B2210/12—Kind or type gaseous, i.e. compressible
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S417/00—Pumps
    • Y10S417/902—Hermetically sealed motor pump unit

Abstract

PURPOSE: An oil supplier of linear compressor is provided to improve productivity by making manufacture and assembly of a valve easier. CONSTITUTION: An oil supplier includes an oil supplying tube(110); a discharge cover(120); and an oil valve(130). The oil supplying tube(110) is fixed on an outer surface of a usual compressor unit and has only one side opened. The discharge cover is fluidically connected with part of the oil supplying tube and has an oil passage(121) formed to be fluidically connected with an oil pocket of the compressor unit. The oil valve is installed between the oil supplying tube and the discharge cover to selectively open and close the oil supplying tube and the discharge cover according to moving direction of the oil supplying tube. A mass body(140) is slidably interposed in the oil supplying tube and elastically supported.

Description

리니어 압축기의 오일 공급장치Oil supply of linear compressor

본 발명은 리니어 압축기의 오일 공급장치에 관한 것으로, 특히 제작성 및 가공성이 우수한 리니어 압축기의 오일 공급장치에 관한 것이다.The present invention relates to an oil supply device for a linear compressor, and more particularly to an oil supply device for a linear compressor having excellent manufacturability and processability.

알려진 바와 같이, 리니어 압축기는 크랭크축을 대신하여 마그네트 및 코일로 피스톤을 직접 왕복운동시켜 냉매를 압축시키는 것으로, 그 일례가 도 1에 도시되어 있다.As is known, a linear compressor compresses a refrigerant by directly reciprocating a piston with a magnet and a coil in place of the crankshaft, an example of which is shown in FIG.

이에 도시된 바와 같이, 종래의 리니어 압축기는 소정형상을 갖는 밀폐용기(C)의 내부에 횡방향으로 설치되어 냉매를 흡입하여 압축 및 토출하는 압축기 유니트(10)와, 그 압축기 유니트(10)의 외부에 고정되어 미끄럼부에 오일을 공급하는 오일 공급수단(20)으로 구성되어 있다.As shown in the drawing, the conventional linear compressor has a compressor unit 10 installed in the transverse direction inside the sealed container C having a predetermined shape to suck, compress, and discharge the refrigerant, and the compressor unit 10. It is fixed to the outside is composed of an oil supply means 20 for supplying oil to the sliding portion.

상기 압축기 유니트(10)는 리니어 모터(11)의 고정자(또는, 내 외측 라미네이션)(11A)에 실린더(12)가 일체로 결합되고, 상기 리니어 모터(11)의 가동자(또는, 마그네트)(11B)에는 실린더(12)에 유동가능하게 삽입되는 피스톤(13)이 결합되는 것을 포함하여 이루어져 있다.In the compressor unit 10, the cylinder 12 is integrally coupled to the stator (or inner and outer lamination) 11A of the linear motor 11, and the mover (or magnet) of the linear motor 11 ( 11B) includes a piston 13 coupled to the cylinder 12 in a flowable manner.

상기 오일 공급수단(20)은 도 2에 도시된 바와 같이, 압축기 유니트(10)의 저면측에 부착되는 오일공급관(21)과, 그 오일공급관(21)의 입구측에 일체되어 압축기 유니트(10)의 일측에 부착되는 흡입덮개(22)와, 상기 오일공급관(21)의 출구측에 일체되어 압축기 유니트(10)의 타측에 부착되는 토출덮개(23)로 이루어져 있다.As shown in FIG. 2, the oil supply means 20 is integrated with an oil supply pipe 21 attached to the bottom side of the compressor unit 10 and an inlet side of the oil supply pipe 21. Suction cover 22 is attached to one side of the) and the discharge cover 23 is integral to the outlet side of the oil supply pipe 21 and attached to the other side of the compressor unit (10).

상기 오일공급관(21)의 내측에는 압축기 유니트(10)와 함께 왕복운동을 하면서 밀폐용기(C)내의 오일을 흡입 및 토출시키는 질량체(24)와, 그 질량체(24)의 양측단과 오일공급관(21)의 양쪽 내측면 사이에 각각 개재되는 복수개의 압축코일스프링(25A,25B)과, 상기 흡입덮개(22)의 내측면에 개재되어 흡입구(22a)를 개폐하도록 장착되는 흡입밸브(26)와, 상기 질량체(24)의 출구측 단면에 장착되어 오일유로(24a)를 개폐하도록 장착되는 토출밸브(27)로 이루어져 있다.Inside the oil supply pipe 21, a mass body 24 for sucking and discharging oil in the sealed container C while reciprocating with the compressor unit 10, and both ends of the mass body 24 and the oil supply tube 21. A plurality of compression coil springs (25A, 25B) interposed between both inner surfaces of the), the suction valve (26) interposed on the inner surface of the suction cover (22) and mounted to open and close the suction port (22a), It is composed of a discharge valve 27 is mounted on the outlet side end surface of the mass body 24 is mounted to open and close the oil flow path (24a).

상기 흡입밸브(26) 및 토출밸브(27)는 스크롤 형태로 이루어지는 것으로, 그 중앙에 각 개폐부(26a,27a)가 형성되어 있다.The suction valve 26 and the discharge valve 27 are formed in a scroll form, and the opening and closing portions 26a and 27a are formed at the center thereof.

도면중 미설명 부호인 13a는 냉매유로, P는 오일포켓, V는 밸브조립체이다.In the drawings, reference numeral 13a denotes a refrigerant flow path, P is an oil pocket, and V is a valve assembly.

상기와 같은 종래의 리니어 압축기는 다음과 같이 동작된다.The conventional linear compressor as described above is operated as follows.

즉, 리니어 모터에 전류가 인가되면 가동자(11B)가 직선 왕복운동함에 의해 피스톤(13)이 실린더(12)내를 왕복운동하게 되고, 그 피스톤(13)이 실린더(12)내를 왕복운동함에 따라 밀폐용기(C)내로 유입된 냉매가스가 피스톤(13) 중심에 형성된 냉매유로(13a)를 통해 실린더(12)의 압축실(미부호)내로 흡입되어 압축된 이후에 토출되는 일련의 과정을 반복하게 된다.That is, when current is applied to the linear motor, the piston 11 reciprocates in the cylinder 12 by the linear reciprocating motion of the mover 11B, and the piston 13 reciprocates in the cylinder 12. As a result, a series of processes in which the refrigerant gas introduced into the sealed container C is sucked into the compression chamber (unsigned) of the cylinder 12 through the refrigerant flow path 13a formed at the center of the piston 13 and then discharged after being compressed Will be repeated.

여기서, 상기 압축기 유니트(10)는 통상 밀폐용기(C)에 유동가능하게 지지되어 리니어 모터(11)와 함께 규칙적으로 진동을 하게 되고, 그 압축기 유니트(10)의 진동에 의해 오일공급수단(20)의 오일공급관(21) 역시 좌우로 왕복운동을 하게 되는데, 이러한 오일공급관(21)의 왕복운동에 반하는 내부의 질량체(24)는 관성력을 발현하게 되어 결국 밀폐용기(C)의 오일이 질량체(24)의 양쪽 압력차에 의해 오일공급관(21)의 내부로 유입되고, 그 오일공급관(21)으로 유입된 오일은 질량체(24)의 오일유로(24a)를 거쳐 오일포켓(P)으로 토출되는 것이었다.Here, the compressor unit 10 is normally supported in a sealed container (C) to be flowable to vibrate regularly with the linear motor 11, the oil supply means 20 by the vibration of the compressor unit (10) The oil supply pipe 21 of the) also reciprocates to the left and right, the mass 24 of the internal contrary to the reciprocating motion of the oil supply pipe 21 expresses an inertial force, so that the oil of the sealed container C is the mass body ( The oil supply pipe 21 is introduced into the oil supply pipe 21 by the pressure difference between the two sides, and the oil introduced into the oil supply pipe 21 is discharged to the oil pocket P through the oil flow path 24a of the mass body 24. Was.

그러나, 상기와 같은 종래 리니어 압축기의 오일 공급장치에 있어서는, 오일의 입출을 규제하는 흡입밸브(26) 및 토출밸브(27)의 크기가 작아 제작 및 조립이 용이하지 못하여 생산성이 저하되는 문제점이 있었다.However, in the oil supply apparatus of the conventional linear compressor as described above, the size of the intake valve 26 and the discharge valve 27 restricting the inflow and outflow of oil is small, so that production and assembly are not easy, and thus productivity is reduced. .

또한, 상기 흡입밸브(26) 및 토출밸브(27)가 질량체(24)를 지지하는 압축코일스프링(25A,25B)에 눌려 고정되어 있으므로, 그 압축코일스프링(25A,25B)에 흡입밸브(26) 및 토출밸브(27)의 개폐부(26a,27a)가 걸려 오일의 입출을 적정하게 규제하지 못하는 문제점도 있었다.In addition, since the suction valve 26 and the discharge valve 27 are pressed and fixed to the compression coil springs 25A and 25B supporting the mass body 24, the suction valve 26 to the compression coil springs 25A and 25B. ) And opening / closing portions 26a and 27a of the discharge valve 27 are not properly regulated.

따라서, 본 발명은 상기와 같은 종래 리니어 압축기의 오일 공급장치가 가지는 문제점을 감안하여 안출한 것으로, 오일의 입출을 규제하는 밸브의 제작성 및 조립성을 용이하게 하여 생산성을 향상시킬 수 있는 리니어 압축기의 오일 공급장치를 제공하려는데 본 발명의 목적이 있다.Accordingly, the present invention has been made in view of the problems of the oil supply apparatus of the conventional linear compressor as described above, the linear compressor that can improve the productivity by facilitating the production and assembly of the valve to regulate the oil inlet and outlet It is an object of the present invention to provide an oil supply apparatus of the present invention.

또한, 상기 밸브의 개폐동작중에 그 일부가 여타의 구조물 등에 간섭되지 않도록 하여 오일이 항상 적정량 공급되도록 함으로써, 압축기의 신뢰성이 저하되는 것을 미연에 방지할 수 있는 리니어 압축기의 오일 공급장치를 제공하려는데도 본 발명의 목적이 있다.In addition, to provide an oil supply device of the linear compressor that can prevent the degradation of the reliability of the compressor by preventing the portion of the valve from interfering with other structures, etc. during the opening and closing operation of the valve so that the proper reliability of the compressor. There is an object of the present invention.

도 1은 종래 리니어 압축기의 일례를 보인 종단면도.1 is a longitudinal sectional view showing an example of a conventional linear compressor.

도 2는 종래 리니어 압축기에 있어서, 오일 공급장치를 보인 종단면도.Figure 2 is a longitudinal sectional view showing an oil supply device in a conventional linear compressor.

도 3은 종래 리니어 압축기의 오일 공급장치에서, 각 밸브를 보인 정면도.Figure 3 is a front view showing each valve in the oil supply of the conventional linear compressor.

도 4는 본 발명 리니어 압축기의 오일 공급장치를 보인 종단면도.Figure 4 is a longitudinal sectional view showing an oil supply device of the linear compressor of the present invention.

도 5는 본 발명 리니어 압축기의 오일 공급장치에서 오일밸브를 보인 정면도.Figure 5 is a front view showing an oil valve in the oil supply device of the linear compressor of the present invention.

도 6a 및 도 6b는 본 발명 리니어 압축기의 오일 공급장치에 대한 동작을 보인 종단면도.Figures 6a and 6b is a longitudinal sectional view showing the operation of the oil supply device of the linear compressor of the present invention.

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

110 : 오일공급통 111 : 흡입부 겸 토출부110: oil supply container 111: suction part and discharge part

112 : 질량체 미끄럼부 113 : 스프링지지 겸 오일밸브 걸림턱112: mass body sliding portion 113: spring support and oil valve latching jaw

120 : 토출덮개 121 : 오일유로120: discharge cover 121: oil path

130 : 오일밸브 140 : 질량체130: oil valve 140: mass

151,152 : 압축코일스프링151,152: Compression Coil Spring

이와 같은 본 발명의 목적을 달성하기 위하여, 통상적인 압축기 유니트의 외곽에 고정 장착되며 일측만 개구되는 오일공급통과, 그 오일공급통의 일부에 연통되어 상기 압축기 유니트의 오일포켓에 연통되도록 오일유로가 형성되는 토출덮개와, 상기 오일공급통 및 토출덮개 사이에 장착되어 오일공급통의 운동방향에 따라 개폐부가 교번되게 구분 동작되는 오일밸브를 포함하여 구성되는 것을 특징으로 하는 리니어 압축기의 오일 공급장치가 제공된다.In order to achieve the object of the present invention, the oil passage is fixedly mounted on the outer side of the conventional compressor unit and open only one side, and the oil passage is communicated to a part of the oil supply cylinder to communicate with the oil pocket of the compressor unit The oil supply device of the linear compressor, characterized in that it comprises a discharge cover is formed between the oil supply cylinder and the discharge cover, and the oil valve is operated in the opening and closing alternately according to the direction of movement of the oil supply cylinder Is provided.

이하, 본 발명에 의한 리니어 압축기의 오일 공급장치를 첨부도면에 도시된 일실시예에 의거하여 상세하게 설명한다.Hereinafter, the oil supply apparatus of the linear compressor according to the present invention will be described in detail based on the embodiment shown in the accompanying drawings.

도 4는 본 발명 리니어 압축기의 오일 공급장치를 보인 종단면도이고, 도 5는 본 발명 리니어 압축기의 오일 공급장치에서 오일밸브를 보인 정면도이며, 도 6a 및 도 6b는 본 발명 리니어 압축기의 오일 공급장치에 대한 동작을 보인 종단면도이다.Figure 4 is a longitudinal sectional view showing an oil supply device of the linear compressor of the present invention, Figure 5 is a front view showing an oil valve in the oil supply device of the linear compressor of the present invention, Figure 6a and 6b is an oil supply device of the linear compressor of the present invention. This is a longitudinal cross-sectional view showing the operation for.

이에 도시된 바와 같이 본 발명에 의한 리니어 압축기의 오일 공급장치는, 통상적인 압축기 유니트(도 1에 도시)(10)의 외곽 저면에 일측단이 개구되는 오일공급통(110)이 부착되고, 그 오일공급통(110)의 개구단 상반부에는 압축기 유니트의 실린더(도 1에 도시)(12)와 피스톤(도 1에 도시)(13)간의 미끄럼부에 형성된 오일포켓(도 1에 도시)(P)으로 상기 오일공급통을 연통시키기 위한 토출덮개(120)가 설치되며, 상기 오일공급통(110)과 토출덮개(120)의 결합부위에는 오일공급통(110)의 운동방향에 따라 오일공급통(110) 및 토출덮개(120)를 차별적으로 개구시키기 위한 오일밸브(130)가 장착되어 이루어진다.As shown therein, the oil supply apparatus of the linear compressor according to the present invention has an oil supply cylinder 110 having one side end opened on the outer bottom surface of a conventional compressor unit (shown in FIG. 1), and An oil pocket (shown in FIG. 1) formed in the sliding portion between the cylinder (shown in FIG. 1) 12 and the piston (shown in FIG. 1) 13 of the compressor unit (13) in the upper half of the open end of the oil supply container 110 (P Discharge cover 120 for communicating the oil supply cylinder is installed, the oil supply cylinder according to the movement direction of the oil supply cylinder 110 in the coupling portion of the oil supply cylinder 110 and the discharge cover 120 is installed. An oil valve 130 for differentially opening the 110 and the discharge cover 120 is mounted.

상기 오일공급통(110)의 내부에는 압축기 유니트의 진동시 오일의 흡,토출을 활성화시키기 위한 질량체(140)가 미끄러지게 삽입되는데, 그 질량체(140)의 양단이 압축코일스프링(151,152)에 의해 지지되고, 그 압축코일스프링(151,152)중에서 개구단측 코일스프링이(151)은 오일밸브(130)의 중앙을 누르도록 고정되는 것이 바람직하다.The oil supply cylinder 110 is inserted into the mass body 140 for activating the suction and discharge of oil during the vibration of the compressor unit, both ends of the mass body 140 by the compression coil springs (151, 152) It is preferable that the open end coil spring 151 of the compression coil springs 151, 152 is fixed to press the center of the oil valve 130.

상기 오일공급통(110)은 그 내부가 복수회 단차져 개구단 끝단에 흡유부 겸 토출부(111)가 형성되고, 그 흡유부 겸 토출부의 내측단은 질량체 미끄럼부(112)가 형성된다.The oil supply cylinder 110 is stepped a plurality of times so that an oil absorption portion and an ejection portion 111 are formed at the end of the opening end, and a mass sliding portion 112 is formed at an inner end of the oil absorption portion and the discharge portion.

상기 오일공급통(110)의 하측, 즉 흡유부 겸 토출부(111)의 테두리 부위에는 스프링지지 겸 오일밸브 걸림턱(113)이 형성된다.A spring support and an oil valve latching jaw 113 are formed at the lower side of the oil supply container 110, that is, at the edge portion of the oil absorption unit and the discharge unit 111.

상기 오일밸브(130)는 전술한 바와 같이, 그 중심이 질량체(140)를 지지하는 코일스프링(151)에 눌려 토출덮개(120)의 단부에 고정되고, 그 상반부측은 오일공급통(110)의 토출부를 차별적으로 개폐하도록 형성되는 반면 하반부측은 오일공급통(110)의 흡입부를 차별적으로 개폐하도록 형성된다.As described above, the oil valve 130 is fixed to the end of the discharge cover 120 by the center of the coil spring 151 supporting the mass body 140, the upper half side of the oil supply cylinder 110 The lower half side is formed to differentially open and close the inlet part of the oil supply container 110 while the discharge part is formed to be differentially opened and closed.

도면중 종래와 동일한 부분에 대하여는 동일한 부호를 부여하였다.In the drawings, the same reference numerals are given to the same parts as in the prior art.

도면중 121은 오일유로이다.121 in the figure is an oil channel.

상기와 같은 본 발명에 의한 오일 공급장치가 구비된 리니어 압축기의 기본동작은 종래와 동일하다.The basic operation of the linear compressor provided with the oil supply device according to the present invention as described above is the same as in the prior art.

즉, 상기 압축기 유니트(10)의 리니어 모터에 전류가 인가되면 가동자(도 1에 도시)(11B)와 함께 피스톤(13)이 실린더(12)내를 왕복운동하게 되고, 그 피스톤(13)이 실린더(12)내를 왕복운동함에 따라 밀폐용기(C)내로 유입된 냉매가스가 피스톤(13) 중심에 형성된 냉매유로(13a)를 통해 실린더(12)의 압축실(미부호)내로 흡입되어 압축된 이후에 토출되는 과정을 반복하게 되는데, 상기 오일공급통(110)은 전술한 바와 같이 압축기 유니트(10)와 함께 도면의 좌우방향으로 진동을 하게 되고, 이러한 오일공급통(110)의 왕복운동에 반하는 내부의 질량체(140)는 관성력을 발현하게 되어 결국 밀폐용기(C)의 오일이 오일공급통(110)의 내부로 유입되고, 이후 오일은 토출덮개(120)의 오일유로(121)를 통해 오일포켓(P)으로 유입되는 것이다.That is, when a current is applied to the linear motor of the compressor unit 10, the piston 13 reciprocates in the cylinder 12 together with the mover (shown in FIG. 1) 11B, and the piston 13 As the cylinder 12 reciprocates, the refrigerant gas introduced into the sealed container C is sucked into the compression chamber (unsigned) of the cylinder 12 through the refrigerant passage 13a formed at the center of the piston 13. After the compression is repeated, the discharge process is repeated. The oil supply container 110 vibrates in the left and right directions of the drawing together with the compressor unit 10 as described above, and the reciprocating of the oil supply container 110 is performed. Mass body 140 of the inner motion is expressed inertial force and eventually the oil of the sealed container (C) is introduced into the oil supply container 110, after which the oil flow path 121 of the discharge cover 120 Will be introduced into the oil pocket (P) through.

이를 보다 상세히 살펴보면 도 6a에 도시된 바와 같이, 상기 오일공급통(110)이 도면의 'A'방향으로 진동하게 되면, 질량체(120)는 그와 반대방향으로 관성력을 갖게 되어 오일공급통(110)의 흡입부 겸 토출부(111)의 부피가 질량체 미끄럼부(112)의 부피보다 상대적으로 커지게 되고, 이와 함께 상기 오일밸브(130)의 하반부가 젖혀지면서 흡입측이 열려 오일이 밀폐용기로부터 오일공급통(110)으로 유입되는 반면, 상기 오일밸브(130)의 상반부는 오일공급통(110)의 끝단면에 걸려 토출측을 닫게 된다.Looking at this in more detail, as shown in Figure 6a, when the oil supply container 110 vibrates in the 'A' direction of the figure, the mass body 120 has an inertial force in the opposite direction to the oil supply container 110 The volume of the suction part and the discharge part 111 of the c) is relatively larger than the volume of the mass sliding part 112, and with the lower half of the oil valve 130 being flipped, the suction side is opened to open the oil from the sealed container. While flowing into the oil supply container 110, the upper half of the oil valve 130 is caught by the end surface of the oil supply container 110 to close the discharge side.

한편, 도 6b에 도시된 바와 같이 상기 오일공급통(110)이 도면의 'B'방향으로 진동하게 되는 경우에는, 그 내부의 질량체(140)가 그와 반대방향으로 관성력을 갖게 되어 오일공급통(110)의 흡입부 겸 토출부(111)로 밀리면서 오일을 밀어내게 되고, 이 밀려나는 오일에 의해 오일밸브(130)의 하반부는 스프링지지 겸 오일밸브 걸림턱(113)에 걸려 흡입측이 닫히는 반면, 상기 오일밸브(130)의 상반부는 오일에 밀려나 젖혀지면서 토출측이 열리게 되어 토출덮개(120)의 오일유로(121)를 통해 압축기 유니트의 오일포켓(P)으로 유입되는 것이다.On the other hand, as shown in FIG. 6B, when the oil supply container 110 vibrates in the direction 'B' of the drawing, the mass body 140 therein has an inertial force in the opposite direction to the oil supply container. The oil is pushed to the suction part and the discharge part 111 of the 110 and the oil is pushed out, and the lower half of the oil valve 130 is caught by the spring support and the oil valve catching jaw 113 by the pushed oil. On the other hand, the upper half of the oil valve 130 is pushed into the oil and flipped, and the discharge side is opened to flow into the oil pocket P of the compressor unit through the oil passage 121 of the discharge cover 120.

이상에서 설명한 바와 같이 본 발명에 의한 리니어 압축기의 오일 공급장치는, 통상적인 압축기 유니트의 외곽에 고정 장착되며 일측만 개구되는 오일공급통과, 그 오일공급통의 일부에 연통되어 상기 압축기 유니트의 오일포켓에 연통되도록 오일유로가 형성되는 토출덮개와, 상기 오일공급통 및 토출덮개 사이에 장착되어 오일공급통의 운동방향에 따라 개폐부가 교번되게 구분 동작되는 오일밸브를 포함하여 구성함으로써, 오일의 입출을 규제하는 밸브의 제작성 및 조립성을 용이하게 하여 생산성이 향상됨은 물론, 상기 밸브의 개폐동작중에 그 일부가 여타의 구조물 등에 간섭되지 않도록 하여 압축기의 신뢰성이 저하되는 것을 미연에 방지할 수 있다.As described above, the oil supply apparatus of the linear compressor according to the present invention has an oil supply passage fixedly mounted to the outside of a conventional compressor unit and opened on only one side thereof, and communicated with a part of the oil supply cylinder to communicate with the oil pocket of the compressor unit. And a discharge cover having an oil passage formed therein so as to communicate with the oil supply valve, and an oil valve mounted between the oil supply cylinder and the discharge cover, the opening and closing parts being alternately operated according to the movement direction of the oil supply cylinder. Productivity is improved by facilitating the manufacturability and assemblability of the valve to be regulated, and it is possible to prevent the reliability of the compressor from being lowered by preventing a part of the valve from interfering with other structures during the opening and closing operation of the valve.

Claims (4)

통상적인 압축기 유니트의 외곽에 고정 장착되며 일측만 개구되는 오일공급통과, 그 오일공급통의 일부에 연통되어 상기 압축기 유니트의 오일포켓에 연통되도록 오일유로가 형성되는 토출덮개와, 상기 오일공급통 및 토출덮개 사이에 장착되어 오일공급통의 운동방향에 따라 개폐부가 교번되게 구분 동작되는 오일밸브를 포함하여 구성되는 것을 특징으로 하는 리니어 압축기의 오일 공급장치.An oil supply cylinder fixedly mounted at the outside of the conventional compressor unit and opened only one side thereof, a discharge cover having an oil passage formed to communicate with a portion of the oil supply cylinder, and to communicate with the oil pocket of the compressor unit, the oil supply cylinder and The oil supply device of the linear compressor, characterized in that it comprises an oil valve mounted between the discharge cover and the switch opening and closing alternately according to the movement direction of the oil supply cylinder. 제1항에 있어서, 상기 오일공급통의 내부에는 질량체가 미끄럼 가능하게 탄력 지지되어 개재되는 것을 특징으로 하는 리니어 압축기의 오일 공급장치.The oil supply device of the linear compressor according to claim 1, wherein the mass body is interspersed and elastically supported in the oil supply cylinder. 제1항 또는 제2항에 있어서, 상기 오일밸브는 그 중심이 질량체를 탄력 지지하는 탄성부재에 눌러 고정되는 반면 가장자리는 자유상태로 장착되는 것을 특징으로 하는 리니어 압축기의 오일 공급장치.3. The oil supply apparatus of claim 1 or 2, wherein the oil valve is fixed to an elastic member whose center is pressed against an elastic member for elastically supporting the mass. 제1항에 있어서, 상기 오일밸브는 단순 원판형인 것을 특징으로 하는 리니어 압축기의 오일 공급장치.The oil supply device of a linear compressor according to claim 1, wherein the oil valve has a simple disc shape.
KR1019980017009A 1998-05-12 1998-05-12 Oil supplier of linear compressor KR100273421B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1019980017009A KR100273421B1 (en) 1998-05-12 1998-05-12 Oil supplier of linear compressor
DE19921293A DE19921293C2 (en) 1998-05-12 1999-05-07 Oil supply device for a linear compressor
BR9901437A BR9901437A (en) 1998-05-12 1999-05-11 Oil supply device for linear compressor.
JP11131559A JP3022966B2 (en) 1998-05-12 1999-05-12 Oil supply device for linear compressor
US09/310,784 US6220393B1 (en) 1998-05-12 1999-05-12 Oil supply apparatus for linear compressor

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Publication number Priority date Publication date Assignee Title
KR101075396B1 (en) * 2010-11-24 2011-10-24 (주)경진티알엠 Ground source heat pump using oil supplement unit and oil replacement unit and method for oil supplement and oil replacement the same

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KR100657499B1 (en) * 2005-10-17 2006-12-14 엘지전자 주식회사 Linear compressor
KR100690146B1 (en) * 2006-01-16 2007-03-08 엘지전자 주식회사 A oil valve assembly used in a linear compressor
KR101167736B1 (en) * 2006-01-16 2012-07-23 엘지전자 주식회사 Oil pump used in a linear compressor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101075396B1 (en) * 2010-11-24 2011-10-24 (주)경진티알엠 Ground source heat pump using oil supplement unit and oil replacement unit and method for oil supplement and oil replacement the same

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