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KR100645821B1 - Intermittent lubrication device for scroll compressor - Google Patents

Intermittent lubrication device for scroll compressor Download PDF

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Publication number
KR100645821B1
KR100645821B1 KR1020050086853A KR20050086853A KR100645821B1 KR 100645821 B1 KR100645821 B1 KR 100645821B1 KR 1020050086853 A KR1020050086853 A KR 1020050086853A KR 20050086853 A KR20050086853 A KR 20050086853A KR 100645821 B1 KR100645821 B1 KR 100645821B1
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South Korea
Prior art keywords
oil
installation hole
opening
intermittent
passage
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Expired - Fee Related
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KR1020050086853A
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Korean (ko)
Inventor
조양희
김철환
신동구
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엘지전자 주식회사
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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
    • F04C29/02—Lubrication; Lubricant separation
    • F04C29/028—Means for improving or restricting lubricant flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C17/00—Arrangements for drive of co-operating members, e.g. for rotary piston and casing
    • F01C17/06—Arrangements for drive of co-operating members, e.g. for rotary piston and casing using cranks, universal joints or similar elements
    • F01C17/066—Arrangements for drive of co-operating members, e.g. for rotary piston and casing using cranks, universal joints or similar elements with an intermediate piece sliding along perpendicular axes, e.g. Oldham coupling
    • 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
    • F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
    • F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
    • 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
    • F04C29/02—Lubrication; Lubricant separation
    • F04C29/025—Lubrication; Lubricant separation using a lubricant pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/04—Wound springs
    • 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
    • F04C2210/00—Fluid
    • F04C2210/26—Refrigerants with particular properties, e.g. HFC-134a
    • 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
    • F04C2240/40—Electric motor
    • 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
    • Y10S415/00—Rotary kinetic fluid motors or pumps
    • 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

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Pumps (AREA)

Abstract

부속품의 마찰로 인해 발생되는 이물질에 의해 오일의 통로가 막히는 것이 방지되면서 적정량의 오일이 안정적으로 공급되도록 하는 스크롤 압축기의 간헐 급유장치가 개시된다. 이와 같은 간헐 급유장치는 상면 둘레에 형성되는 한 쌍의 키홈과, 상기 키홈에 대응하여 수평으로 형성되는 설치공과, 상기 설치공에서 축구멍을 관통하여 형성되는 오일통로와, 상기 설치공에서 상부측으로 관통하여 형성되는 수직통로를, 포함하는 메인프레임과; 상기 키홈에 삽입되는 자전방지키를 하면에 갖고 선회스크롤의 자전을 방지하면서 상기 키홈을 따라 수평왕복운동을 하는 올담링과; 상기 설치공에 설치된 상태로 상기 올담링에 의해 수평이동되면서 상기 수직통로를 개폐하여 상기 오일통로를 통해 유입되는 오일을 상기 수직통로를 통해 상기 메인프레임의 상면에 간헐적으로 공급하는 간헐공급부를; 포함한다.Disclosed is an intermittent lubrication device of a scroll compressor for stably supplying an appropriate amount of oil while preventing the passage of oil from being blocked by foreign substances generated by friction of accessories. Such an intermittent lubrication device includes a pair of key grooves formed around the upper surface, an installation hole formed horizontally in correspondence with the key groove, an oil passage formed through the shaft hole in the installation hole, and an upper side from the installation hole. A main frame including a vertical passage formed therethrough; An old dam ring having a rotation preventing key inserted into the key groove on the lower surface and performing horizontal reciprocation along the key groove while preventing rotation of the turning scroll; An intermittent supply part intermittently supplying oil introduced through the oil passage to the upper surface of the main frame through the vertical passage by opening and closing the vertical passage while horizontally moving by the old dam ring in the installation hole; Include.

Description

스크롤 압축기의 간헐 급유장치{Apparatus for intermittently oiling compression part of a scroll compressor}Apparatus for intermittently oiling compression part of a scroll compressor

도 1은 일반적인 스크롤 압축기의 내부 구조를 나타낸 종단면도,1 is a longitudinal sectional view showing an internal structure of a general scroll compressor;

도 2는 도 1의 부분 확대도,2 is a partially enlarged view of FIG. 1;

도 3은 본 발명을 보인 요부 확대 종단면도,3 is an enlarged longitudinal sectional view showing main parts of the present invention;

도 4는 도 3에 따른 A부분의 확대도,4 is an enlarged view of a portion A according to FIG. 3;

도 5는 본 발명에 따라 오일이 급유되는 상태를 보인 요부 확대 종단면도,Figure 5 is an enlarged longitudinal sectional view of the main portion showing a state in which oil is lubricated according to the present invention;

도 6은 본 발명에 따라 오일이 급유되는 상태를 보인 평단면도,Figure 6 is a plan sectional view showing a state in which oil is refueled according to the present invention,

도 7은 본 발명에 따라 오일이 차단되는 상태를 보인 요부 확대 종단면도,Figure 7 is an enlarged longitudinal sectional view of the main portion showing a state in which the oil is blocked according to the present invention;

도 8은 본 발명에 따라 오일이 차단되는 상태를 보인 평단면도.8 is a plan sectional view showing a state in which the oil is blocked according to the present invention.

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

10 : 메인프레임10: mainframe

11 : 키홈 12 : 설치공 13 : 오일통로   11: keyway 12: installation 13: oil passage

14 : 수직통로   14: vertical passage

20 : 올담링20: Oldhamling

21 : 자전방지키   21: anti-rotation key

30 : 간헐공급부30: intermittent supply

31 : 밀착부재 32 : 개폐부재 33 : 탄성부재   31: close contact member 32: opening and closing member 33: elastic member

본 발명은 스크롤 압축기에 관한 것으로, 보다 상세하게는 부속품의 마찰로 인해 발생되는 이물질에 의해 오일의 통로가 막히는 것이 방지되면서 적정량의 오일이 안정적으로 공급되도록 하는 스크롤 압축기의 간헐 급유장치에 관한 것이다.The present invention relates to a scroll compressor, and more particularly, to an intermittent lubrication device of a scroll compressor to stably supply an appropriate amount of oil while preventing passage of oil by a foreign material generated by friction of accessories.

일반적으로 스크롤 압축기는 도 1에 도시된 바와 같이 쉘(1)의 내측 상.하부에 메인프레임(2)과 서브프레임(3)이 설치되고, 상기 메인프레임(2)과 서브프레임(3)의 사이에는 고정자(4)가 상기 쉘(1)의 내부에 압입되어 있으며, 상기 고정자(4)의 내부에는 인가된 전원에 의해 회전되는 회전자(5)가 구비된다.In general, the scroll compressor is provided with a main frame 2 and a subframe 3 above and below the inside of the shell 1, as shown in Figure 1, the main frame 2 and the subframe (3) The stator 4 is press-fitted into the shell 1, and the stator 4 is provided with a rotor 5 which is rotated by an applied power source.

또한, 상기 회전자(5)의 중앙부에는 상기 메인프레임(2) 및 서브프레임(3)에 의해서 양단이 회전 가능하게 지지되는 수직의 크랭크축(6)이 삽입 고정되어 회전자(5)와 함께 회전하도록 구성된다.In addition, a vertical crankshaft 6, which is rotatably supported at both ends by the main frame 2 and the subframe 3, is inserted and fixed at the center of the rotor 5 together with the rotor 5. Configured to rotate.

그리고, 상기 메인프레임(2)의 상단면에는 하부측이 크랭크축(6)과 결합되고 상부측에는 인벌류트 형상의 선회랩(7a)이 형성된 선회스크롤(7)이 구비되며, 상기 선회스크롤(7)의 상부측에는 선회랩(7a)과 맞물리는 고정랩(8a)을 갖는 고정스크롤(8)이 쉘(1)의 내부에 고정되어 선회스크롤(7)이 크랭크축(6)의 회전에 의해 선회운동을 함으로써 선회랩(7a)과 고정랩(8a) 사이에 형성된 압축실의 내부로 유입되는 냉매가스를 압축하도록 구성되어 있다.The upper surface of the main frame 2 is provided with a turning scroll 7 having a lower side coupled with the crankshaft 6 and an involute swinging wrap 7a formed on the upper side, and the turning scroll 7 The fixed scroll 8 having the fixed wrap 8a engaged with the pivoting wrap 7a is fixed to the inside of the shell 1 on the upper side of the back side so that the pivoting scroll 7 is pivoted by the rotation of the crankshaft 6. It is configured to compress the refrigerant gas flowing into the compression chamber formed between the turning wrap 7a and the fixed wrap 8a by the movement.

한편, 상기 메인프레임(2)과 선회스크롤(3) 사이에는 자전방지기구인 올담링(9)이 구비되고, 크랭크축(6) 내부에는 급유로(6a)가 상.하로 관통 형성되어 있다.On the other hand, between the main frame (2) and the revolving scroll (3) is provided an anti-rotation mechanism Olddam ring (9), and the oil passage (6a) is formed through the crank shaft (6) up and down.

그리고, 상기 압축실에서 압축되어진 고압의 냉매가스가 고정스크롤(8)의 토출구(8b)를 통하여 토출되는 과정에서 쉘(1)을 구성하는 탑캡(1a)에 직접적인 충격을 주어 발생하는 소음을 저감시키기 위하여 고정스크롤(8)의 상부측에 덮개 형태의 머플러(8c)가 설치된다.In addition, in the process of discharging the high-pressure refrigerant gas compressed in the compression chamber through the discharge port 8b of the fixed scroll 8, the noise generated by directly impacting the top cap 1a constituting the shell 1 is reduced. In order to cover the top of the fixed scroll (8) is provided with a muffler (8c) in the form of a cover.

상기와 같이 구성된 스크롤 압축기는 인가된 전원에 의해 회전자(5)가 고정자(4) 내부에서 회전하게 되고, 상기 회전자(5)에 의해 크랭크축(6)이 회전하게 됨으로써 상기 크랭크축(6)에 결합된 선회스크롤(7)이 상기 크랭크축(6) 중심과 상기 선회스크롤(7) 중심 사이의 선회반경을 따라 선회운동을 하게 된다.In the scroll compressor configured as described above, the rotor 5 rotates inside the stator 4 by the applied power, and the crankshaft 6 is rotated by the rotor 5. Rotating scroll (7) coupled to the pivot is to move along the turning radius between the center of the crankshaft (6) and the center of the turning scroll (7).

또한, 상기 선회랩(7a)과 고정랩(8a) 사이에 형성된 압축실은 선회스크롤(7)의 지속적인 선회운동에 의하여 체적이 감소되어 흡입된 냉매가스를 압축하게 되고, 이렇게 압축된 고압의 냉매가스는 토출구(8b)를 통해 토출된 후에 압축기의 내측 하부를 지나 외부로 토출되는 것이다. In addition, the compression chamber formed between the swing wrap (7a) and the fixed wrap (8a) is reduced in volume by the continuous swing movement of the swing scroll (7) to compress the refrigerant gas sucked in, the compressed high-pressure refrigerant gas After the discharge through the discharge port (8b) is discharged to the outside through the inner lower portion of the compressor.

도 2는 도 1의 부분 확대도이다.FIG. 2 is a partially enlarged view of FIG. 1.

이에 도시된 바와 같이 상기 메인프레임(2)에는, 압축기의 운전시 크랭크축(6)을 통하여 급유된 오일이 고압을 이루는 선회스크롤(7)과 메인프레임(2) 사이의 배압공간(C1)에서 저압을 이루는 고정스크롤(8)과 메인프레임(2) 사이의 공간부(C2) 측으로 공급될 수 있도록 미세홀이 형성된 급유나사(2a)가 구비된다.As shown therein, the main frame 2 has a back pressure space C1 between the turning scroll 7 and the main frame 2 in which the oil lubricated through the crankshaft 6 attains a high pressure during operation of the compressor. An oil supply screw 2a having a fine hole is provided to be supplied to the space portion C2 between the fixed scroll 8 and the main frame 2 forming low pressure.

상기 급유나사(2a)는 메인프레임(2)에 형성된 체결공(2b)에 체결되어 설치된 다.The oil supply screw (2a) is installed is fastened to the fastening hole (2b) formed in the main frame (2).

그런데, 상기와 같은 종래 기술에는 다음과 같은 문제점이 있다.However, the above conventional technology has the following problems.

종래의 스크롤 압축기의 급유나사는 미세홀의 직경이 극히 작고 길어 상기 미세홀에 부속품의 마찰에 의해 발생된 이물질이 끼어 오일의 통로가 막히게 되는 문제점이 있다.The lubrication screw of the conventional scroll compressor has a problem that the diameter of the microholes is extremely small and long so that foreign substances generated by the friction of the accessory are caught in the microholes, thereby clogging the oil passage.

상기와 같이 급유나사의 오일 공급 통로가 막힘으로써, 적정량의 오일이 압축부에 안정적으로 공급되지 못하고, 그에 따라 압축부로의 급유기능이 상실되면서 압축기의 성능 및 신뢰성이 저하되는 문제점이 있다.As the oil supply passage of the oil supply screw is blocked as described above, an appropriate amount of oil is not stably supplied to the compression unit, and thus, the oil supply function to the compression unit is lost, thereby degrading the performance and reliability of the compressor.

이에 본 발명은 상기한 바와 같은 종래의 제반 문제점을 해소하기 위해서 안출된 것으로, 본 발명의 목적은 부속품의 마찰로 인해 발생되는 이물질에 의해 오일의 통로가 막히는 것이 방지되면서 적정량의 오일이 안정적으로 공급되도록 하는 스크롤 압축기의 간헐 급유장치를 제공함에 있다.Accordingly, the present invention has been made to solve the conventional problems as described above, the object of the present invention is to stably supply the appropriate amount of oil while preventing passage of the oil passage by foreign substances caused by the friction of the accessories An intermittent lubrication device for a scroll compressor is provided.

또한, 본 발명의 다른 목적은 간단한 구조로 오일의 간헐적인 공급이 안정적이면서 정밀하게 이루어지도록 하는 스크롤 압축기의 간헐 급유장치를 제공함에 있다.In addition, another object of the present invention is to provide an intermittent lubrication device for a scroll compressor that allows the intermittent supply of oil to be made stable and precise in a simple structure.

상기와 같은 본 발명의 목적을 달성하기 위해서, 본 발명의 바람직한 실시예에 따른 스크롤 압축기의 간헐 급유장치는 상면 둘레에 형성되는 한 쌍의 키홈과, 상기 키홈에 대응하여 수평으로 형성되는 설치공과, 상기 설치공에서 축구멍을 관 통하여 형성되는 오일통로와, 상기 설치공에서 상부측으로 관통하여 형성되는 수직통로를, 포함하는 메인프레임과; 상기 키홈에 삽입되는 자전방지키를 하면에 갖고 선회스크롤의 자전을 방지하면서 상기 키홈을 따라 수평왕복운동을 하는 올담링과; 상기 설치공에 설치된 상태로 상기 올담링에 의해 수평이동되면서 상기 수직통로를 개폐하여 상기 오일통로를 통해 유입되는 오일을 상기 수직통로를 통해 상기 메인프레임의 상면에 간헐적으로 공급하는 간헐공급부를; 포함하는 것을 특징으로 한다.In order to achieve the object of the present invention as described above, the intermittent lubrication device of the scroll compressor according to a preferred embodiment of the present invention is a pair of key grooves formed around the upper surface, the installation hole is formed horizontally corresponding to the key grooves, A main frame including an oil passage formed through the shaft hole in the installation hole and a vertical passage formed through the installation hole toward the upper side; An old dam ring having a rotation preventing key inserted into the key groove on the lower surface and performing horizontal reciprocation along the key groove while preventing rotation of the turning scroll; An intermittent supply part intermittently supplying oil introduced through the oil passage to the upper surface of the main frame through the vertical passage by opening and closing the vertical passage while horizontally moving by the old dam ring in the installation hole; It is characterized by including.

또한, 상기 간헐공급부는, 상기 올담링의 내측면에 일단이 밀착되면서 타단이 상기 설치공의 내부에 구비되는 밀착부재와, 상기 수직통로를 개폐하도록 상기 밀착부재의 끝단에 형성되는 개폐부재와, 상기 개폐부재가 탄성복원되도록 상기 개폐부재의 끝단과 상기 설치공의 내부면 사이에 구비되는 탄성부재를, 포함하는 것을 특징으로 한다.In addition, the intermittent supply portion, the one end is in close contact with the inner surface of the old dam ring, the other end is provided in the interior of the installation hole, the opening and closing member formed at the end of the close contact member to open and close the vertical passage; And an elastic member provided between the end of the opening member and the inner surface of the installation hole so that the opening and closing member is elastically restored.

또한, 상기 탄성부재는, 상기 개폐부재의 끝단에 일단이 밀착되고 타단이 상기 오일통로의 선단과 대응된 상기 설치공의 내부면에 밀착되는 코일스프링으로, 구성되는 것을 특징으로 한다.In addition, the elastic member, one end is in close contact with the end of the opening and closing member, the other end is characterized in that the coil spring is in close contact with the inner surface of the installation hole corresponding to the front end of the oil passage.

또한, 상기 개폐부재는, 상기 코일스프링의 일단이 삽입되도록 그 끝단에 삽입홈이 형성되는 것을 특징으로 한다.In addition, the opening and closing member, characterized in that the insertion groove is formed at the end so that one end of the coil spring is inserted.

이하, 첨부된 도면을 참조로 하여 본 발명의 바람직한 실시예를 상세히 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 3은 본 발명을 보인 요부 확대 종단면도이고, 도 4는 도 3에 따른 A부분 의 확대도이다.Figure 3 is an enlarged longitudinal sectional view of the main portion showing the present invention, Figure 4 is an enlarged view of a portion A according to FIG.

이에 도시된 바와 같이, 스크롤 압축기의 간헐 급유장치는 메인프레임(10)의 축구멍(10a)에 채워진 오일이 선회스크롤(7)의 보스부(7b)의 펌핑작용으로 상기 메인프레임(10)을 지나 상기 선회스크롤(7)의 하면으로 공급될 때 올담링(20)의 수평왕복운동에 의해 간헐공급부(30)가 작동되면서 오일의 공급을 단속시켜 간헐적으로 공급되도록 하는 것이다.As shown in this, the intermittent oil supply device of the scroll compressor is the oil filled in the shaft hole (10a) of the main frame 10 to the main frame 10 by the pumping action of the boss portion (7b) of the turning scroll (7). When the intermittent supply unit 30 is operated by the horizontal reciprocating motion of the old dam ring 20 when it is supplied to the lower surface of the turning scroll 7, the supply of oil is intermittently supplied.

상기 메인프레임(10)은 상면 둘레에 형성되는 한 쌍의 키홈(11)과, 상기 키홈(11)에 대응하여 수평으로 형성되는 설치공(12)과, 상기 설치공(12)에서 축구멍(10a)을 관통하여 형성되는 오일통로(13)와, 상기 설치공(12)에서 상부측으로 관통하여 형성되는 수직통로(14)를 포함하여 구성된다.The main frame 10 has a pair of key grooves 11 formed around the top surface, an installation hole 12 formed horizontally in correspondence with the key groove 11, and a shaft hole in the installation hole 12. The oil passage 13 is formed through the 10a, and the vertical passage 14 is formed through the installation hole 12 to the upper side.

상기 축구멍(10a)에 채워진 오일은 보스부(7b)의 선회운동에 의한 펌핑작용에 의해 오일통로(13)를 통해 설치공(12)을 유입되고, 상기 설치공(12)으로 유입된 오일은 수직통로(14)를 통해 상승되면서 메인프레임(10)의 상면에 밀착된 상태로 선회운동을 하는 선회스크롤(7)의 하면으로 공급된다.The oil filled in the shaft hole (10a) is introduced into the installation hole 12 through the oil passage 13 by the pumping action by the pivoting movement of the boss portion (7b), the oil introduced into the installation hole 12 Ascending through the vertical passage 14 is supplied to the lower surface of the swinging scroll (7) for the pivoting motion in close contact with the upper surface of the main frame (10).

또한, 상기 올담링(20)은 메인프레임(10)의 키홈(11)에 삽입되는 자전방지키(21)를 하면에 갖고 선회스크롤(7)의 자전을 방지하면서 상기 키홈(11)을 따라 수평왕복운동을 하는 것으로, 이와 같은 수평왕복운동에 의해 간헐공급부(30)를 작동시키는 역할을 한다.In addition, the old dam ring 20 has a rotation preventing key 21 inserted into the key groove 11 of the main frame 10 on the lower surface and prevents the rotation of the turning scroll 7 horizontally along the key groove 11. By reciprocating, it serves to operate the intermittent supply unit 30 by such a horizontal reciprocating motion.

또한, 상기 간헐공급부(30)는 설치공(12)에 설치된 상태로 올담링(20)에 의해 수평이동되면서 수직통로(14)를 개폐하여 오일통로(13)를 통해 유입되는 오일을 상기 수직통로(14)를 통해 메인프레임(10)의 상면에 간헐적으로 공급하는 것으로, 상기 올담링(20)의 내측면에 일단이 밀착되면서 타단이 상기 설치공(12)의 내부에 구비되는 밀착부재(31)와, 상기 수직통로(14)를 개폐하도록 상기 밀착부재(31)의 끝단에 형성되는 개폐부재(32)와, 상기 개폐부재(32)가 탄성복원되도록 상기 개폐부재(32)의 끝단과 상기 설치공(12)의 내부면 사이에 구비되는 탄성부재(33)를 포함하여 구성된다.In addition, the intermittent supply unit 30 is installed in the installation hole 12, the horizontal passage by the Oldham ring 20 while opening and closing the vertical passage 14 to the oil flowing through the oil passage 13 to the vertical passage. Intermittently supplied to the upper surface of the main frame 10 through the 14, one end is in close contact with the inner surface of the Oldham ring 20, the other end is provided in the close contact member 31 provided in the installation hole 12 ), An opening and closing member 32 formed at the end of the contact member 31 to open and close the vertical passage 14, and an end of the opening and closing member 32 so that the opening and closing member 32 is elastically restored. It is configured to include an elastic member 33 provided between the inner surface of the installation hole (12).

상기 간헐공급부(30)는 올담링(20)의 수평이동에 따라 밀착부재(31)가 설치공(12)을 따라 내측으로 밀리면서 개폐부재(32)가 수직통로(14)를 차단하여 오일의 공급을 차단시키고, 상기 올담링(20)이 처음의 위치로 수평이동되면서 탄성부재(33)가 상기 개폐부재(32)를 처음의 위치로 밀어내어 상기 수직통로(14)가 개방되면서 오일의 공급이 이루어지도록 하는 것이다.The intermittent supply unit 30 is the contact member 31 is pushed inward along the installation hole 12 in accordance with the horizontal movement of the old dam ring 20, the opening and closing member 32 blocks the vertical passage 14 of the oil Blocking the supply, while the Oldham ring 20 is moved horizontally to the initial position, the elastic member 33 pushes the opening and closing member 32 to the initial position to open the vertical passage 14 to supply the oil To make this happen.

따라서, 상기 간헐공급부(30)는 올담링(20)의 수평왕복운동과 탄성부재(33)의 복원력에 의해 밀착부재(31) 및 개폐부재(32)를 설치공(12)을 따라 수평왕복이동시켜 오일통로(13)를 통해 상기 설치공(12)으로 유입되는 오일을 수직통로(14)를 통해 공급하거나 차단하여 선회스크롤(7)에 오일의 간헐적인 공급이 이루지면서 동시에 이물질에 의한 상기 수직통로(14) 및 오일통로(13)의 막힘이 방지되도록 하는 것이다. Therefore, the intermittent supply part 30 moves the reciprocating member 31 and the opening / closing member 32 along the installation hole 12 by the horizontal reciprocating motion of the Oldham ring 20 and the restoring force of the elastic member 33. By supplying or blocking the oil flowing into the installation hole 12 through the oil passage 13 through the vertical passage 14, the intermittent supply of oil to the turning scroll 7 is made at the same time by the foreign matter The clogging of the passage 14 and the oil passage 13 is to be prevented.

또한, 상기 탄성부재(33)는 개폐부재(32)의 끝단에 일단이 밀착되고 타단이 오일통로(13)의 선단과 대응된 설치공(12)의 내부면에 밀착되는 코일스프링(331)으로 구성되는 것이 바람직하다. 이는 상기 코일스프링(331)에 의해 개폐부재(32)에 탄성복원력이 원활히 부가되면서 상기 코일스프링(331)을 통해 오일의 유동이 원활하게 이루어지도록 하기 위한 것이다.In addition, the elastic member 33 is a coil spring 331 that one end is in close contact with the end of the opening and closing member 32 and the other end is in close contact with the inner surface of the installation hole 12 corresponding to the front end of the oil passage (13). It is preferred to be configured. This is to allow the oil spring to flow smoothly through the coil spring 331 while the elastic restoring force is smoothly added to the opening and closing member 32 by the coil spring 331.

또한, 상기 개폐부재(32)는 코일스프링(331)의 일단이 삽입되도록 그 끝단에 삽입홈(321)이 형성되는 것이 바람직한데, 이는 상기 개폐부재(32)의 후방으로 상기 코일스프링(331)이 안정적으로 지지된 상태로 설치되도록 하기 위한 것이다.In addition, the opening and closing member 32 is preferably formed with an insertion groove 321 at the end thereof so that one end of the coil spring 331 is inserted, which is the coil spring 331 to the rear of the opening and closing member 32. This is to be installed in a stable supported state.

도 5는 본 발명에 따라 오일이 급유되는 상태를 보인 요부 확대 종단면도이고, 도 6은 본 발명에 따라 오일이 급유되는 상태를 보인 평단면도이다.Figure 5 is an enlarged longitudinal sectional view of the main portion showing the state where the oil is lubricated according to the present invention, Figure 6 is a plan sectional view showing a state where the oil is lubricated according to the present invention.

이에 도시된 바와 같이, 선회스크롤(7)의 선회운동에 따라 보스부(7b)가 메인프레임(10)의 축구멍(10a)에서 일측으로 이동하면서 펌핑작용을 하면 상기 보스부(7b)에 채워진 오일이 오일통로(13)를 통해 설치공(12)으로 유입된다.As shown in the drawing, when the boss part 7b moves to one side from the shaft hole 10a of the main frame 10 in accordance with the pivoting motion of the swing scroll 7, the boss part 7b is filled in the boss part 7b. Oil is introduced into the installation hole 12 through the oil passage (13).

이때, 상기 선회스크롤(7)의 선회운동에 의해 올담링(20)의 자전방지키(21)와 메임프레임의 키홈(11)의 안내에 의해 상기 올담링(20)이 외측으로 수평이동되고, 그에 따라 상기 올담링(20)의 내측면에 밀착된 상태로 밀착부재(31)가 탄성부재(33)에 탄성력에 의해 설치공(12)에서 그 외부로 돌출된다.At this time, the old dam ring 20 is horizontally moved to the outside by the rotation prevention key 21 of the old dam ring 20 and the key groove 11 of the main frame by the pivoting motion of the swing scroll 7, Accordingly, the close contact member 31 protrudes from the installation hole 12 by the elastic force to the elastic member 33 in a state of being in close contact with the inner surface of the old dam ring 20.

상기와 같이 밀착부재(31)가 설치공(12)에서 이탈됨으로써, 상기 밀착부재(31)의 끝단에 형성된 개폐부재(32)가 설치공(12)을 따라 외측으로 이동되면서 수직통로(14)가 개방되고, 그에 따라 오일통로(13)를 통해 상기 설치공(12)으로 유입된 오일이 상기 수직통로(14)를 통해 상승되면서 선회스크롤(7)의 하면과 메인프레임(10)의 상면 사이의 간극으로 공급된다.As the adhesion member 31 is separated from the installation hole 12 as described above, the opening and closing member 32 formed at the end of the adhesion member 31 is moved outward along the installation hole 12 and the vertical passage 14. Is opened, and thus the oil introduced into the installation hole 12 through the oil passage 13 rises through the vertical passage 14, and is disposed between the lower surface of the turning scroll 7 and the upper surface of the main frame 10. Supplied in the gap of.

도 7은 본 발명에 따라 오일이 차단되는 상태를 보인 요부 확대 종단면도이 고, 도 8은 본 발명에 따라 오일이 차단되는 상태를 보인 평단면도이다.7 is an enlarged longitudinal sectional view showing a main portion of the oil is blocked according to the present invention, Figure 8 is a plan sectional view showing a state in which the oil is blocked according to the present invention.

이에 도시된 바와 같이, 선회스크롤(7)의 선회운동에 따라 보스부(7b)가 메인프레임(10)의 축구멍(10a)에서 타측으로 이동하면 상기 보스부(7b)에 다시 오일이 채워진다.As shown in the drawing, when the boss portion 7b moves from the shaft hole 10a of the main frame 10 to the other side according to the turning movement of the turning scroll 7, oil is filled in the boss portion 7b again.

이때, 상기 선회스크롤(7)의 선회운동에 의해 올담링(20)의 자전방지키(21)와 메임프레임의 키홈(11)의 안내에 의해 상기 올담링(20)이 내측으로 수평이동되고, 그에 따라 상기 올담링(20)의 내측면에 밀착된 밀착부재(31)가 탄성부재(33)를 가압하면서 설치공(12)으로 진입된다.At this time, the old dam ring 20 is horizontally moved inward by the rotation prevention key 21 of the old dam ring 20 and the key groove 11 of the main frame by the pivoting motion of the swing scroll 7, Accordingly, the close contact member 31 in close contact with the inner surface of the old dam ring 20 enters the installation hole 12 while pressing the elastic member 33.

상기와 같이 밀착부재(31)가 설치공(12)으로 진입됨으로써, 상기 밀착부재(31)의 끝단에 형성된 개폐부재(32)가 설치공(12)을 따라 내측으로 이동하면서 수직통로(14)를 폐쇄시키고, 그에 따라 오일통로(13)를 통해 상기 설치공(12)으로 유입된 오일이 선회스크롤(7)의 하면과 메인프레임(10)의 상면에 공급되는 것이 차단된다.As the adhesion member 31 enters the installation hole 12 as described above, the opening and closing member 32 formed at the end of the adhesion member 31 moves inward along the installation hole 12 and the vertical passage 14. The oil is introduced into the installation hole 12 through the oil passage 13 is blocked from being supplied to the lower surface of the turning scroll 7 and the upper surface of the main frame 10.

이와 같이 상기 올담링(20)과 탄성부재(33)에 의해 밀착부재(31) 및 개폐부재(32)가 수직통로(14)를 간헐적으로 개폐함으로써, 이물질에 의해 오일통로(13) 및 수직통로(14)의 막힘이 방지되면서 선회스크롤(7)의 하면과 메인프레임(10)의 상면으로 오일의 공급이 안정적으로 이루어지게 된다.In this way, the close contact member 31 and the opening and closing member 32 is intermittently opening and closing the vertical passage 14 by the old dam ring 20 and the elastic member 33, the oil passage 13 and the vertical passage by foreign matter While the blockage of the 14 is prevented, the oil is stably supplied to the lower surface of the turning scroll 7 and the upper surface of the main frame 10.

상술한 바와 같이 본 발명은 부속품의 마찰로 인해 발생되는 이물질에 의해 오일의 통로가 막히는 것이 방지되면서 적정량의 오일이 안정적으로 공급되도록 함 으로써, 오일의 통로가 이물질에 의해 막힘으로 인한 압축부로 오일 공급 불능이 미연에 방지되고 이와 같은 오일의 공급 불능으로 인한 압축기의 성능 및 신뢰성의 저하가 해소되는 효과를 갖는다.As described above, the present invention is to prevent the blockage of the oil passage by the foreign substances generated by the friction of the accessory, so that the appropriate amount of oil is stably supplied, the oil passage is supplied to the compression portion due to the blockage of the foreign matter Incapacity is prevented in advance, and the deterioration of the performance and the reliability of the compressor due to the inability to supply such oil is eliminated.

또한, 본 발명은 간단한 구조로 오일의 간헐적인 공급이 안정적이면서 정밀하게 이루어지도록 함으로써, 제조 및 설치가 간편하면서 간헐적인 급유에 의해 이물질에 의한 막힘현상이 방지되는 효과를 갖는다.In addition, the present invention has the effect that the intermittent supply of oil in a simple structure is made stable and precise, thereby preventing clogging due to foreign matter by the intermittent lubrication is easy to manufacture and installation.

Claims (4)

상면 둘레에 형성되는 한 쌍의 키홈과, 상기 키홈에 대응하여 수평으로 형성되는 설치공과, 상기 설치공에서 축구멍을 관통하여 형성되는 오일통로와, 상기 설치공에서 상부측으로 관통하여 형성되는 수직통로를, 포함하는 메인프레임과;A pair of key grooves formed around the upper surface, an installation hole formed horizontally corresponding to the key groove, an oil passage formed through the shaft hole in the installation hole, and a vertical passage formed through the installation hole to the upper side A mainframe comprising; 상기 키홈에 삽입되는 자전방지키를 하면에 갖고 선회스크롤의 자전을 방지하면서 상기 키홈을 따라 수평왕복운동을 하는 올담링과; An old dam ring having a rotation preventing key inserted into the key groove on the lower surface and performing horizontal reciprocation along the key groove while preventing rotation of the turning scroll; 상기 설치공에 설치된 상태로 상기 올담링에 의해 수평이동되면서 상기 수직통로를 개폐하여 상기 오일통로를 통해 유입되는 오일을 상기 수직통로를 통해 상기 메인프레임의 상면에 간헐적으로 공급하는 간헐공급부를; An intermittent supply part intermittently supplying oil introduced through the oil passage to the upper surface of the main frame through the vertical passage by opening and closing the vertical passage while horizontally moving by the old dam ring in the installation hole; 포함하는 것을 특징으로 하는 스크롤 압축기의 간헐 급유장치. Intermittent lubrication device of a scroll compressor comprising a. 제1항에 있어서 상기 간헐공급부는,The method of claim 1, wherein the intermittent supply unit, 상기 올담링의 내측면에 일단이 밀착되면서 타단이 상기 설치공의 내부에 구비되는 밀착부재와,One end is in close contact with the inner surface of the old dam ring and the other end is provided in the interior of the installation hole; 상기 수직통로를 개폐하도록 상기 밀착부재의 끝단에 형성되는 개폐부재와,An opening and closing member formed at an end of the close contact member to open and close the vertical passage; 상기 개폐부재가 탄성복원되도록 상기 개폐부재의 끝단과 상기 설치공의 내부면 사이에 구비되는 탄성부재를,An elastic member provided between an end of the opening member and an inner surface of the installation hole so that the opening and closing member is elastically restored; 포함하는 것을 특징으로 하는 스크롤 압축기의 간헐 급유장치.Intermittent lubrication device of a scroll compressor comprising a. 제2항에 있어서 상기 탄성부재는,The method of claim 2, wherein the elastic member, 상기 개폐부재의 끝단에 일단이 밀착되고 타단이 상기 오일통로의 선단과 대응된 상기 설치공의 내부면에 밀착되는 코일스프링으로,One end is in close contact with the end of the opening and closing member and the other end is a coil spring in close contact with the inner surface of the installation hole corresponding to the front end of the oil passage, 구성되는 것을 특징으로 하는 스크롤 압축기의 간헐 급유장치.An intermittent oil supply device for a scroll compressor, characterized in that the configuration. 제3항에 있어서 상기 개폐부재는,The method of claim 3, wherein the opening and closing member, 상기 코일스프링의 일단이 삽입되도록 그 끝단에 삽입홈이 형성되는 것을 특징으로 하는 스크롤 압축기의 간헐 급유장치.Intermittent lubrication device of the scroll compressor, characterized in that the insertion groove is formed at the end so that one end of the coil spring is inserted.
KR1020050086853A 2005-09-16 2005-09-16 Intermittent lubrication device for scroll compressor Expired - Fee Related KR100645821B1 (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105370569A (en) * 2014-08-26 2016-03-02 珠海格力节能环保制冷技术研究中心有限公司 Scroll compressor and air conditioner with same
CN105673505A (en) * 2014-11-18 2016-06-15 上海日立电器有限公司 Lubricating oil supply structure of scroll mechanism and scroll compressor
CN112204259A (en) * 2018-07-05 2021-01-08 大金工业株式会社 Scroll compressor having a discharge port
CN113982943A (en) * 2021-11-23 2022-01-28 珠海格力电器股份有限公司 Oil supply structure of scroll compressor, scroll compressor and air conditioner
CN114412793A (en) * 2021-12-24 2022-04-29 珠海格力电器股份有限公司 Compression structure, compressor and air conditioner with same

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JPH0727068A (en) * 1993-07-05 1995-01-27 Toshiba Corp Scroll type compressor
JP2003254263A (en) 2002-03-04 2003-09-10 Daikin Ind Ltd Scroll compressor

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JPS62178791A (en) 1986-02-03 1987-08-05 Matsushita Electric Ind Co Ltd Scroll compressor
JPH0727068A (en) * 1993-07-05 1995-01-27 Toshiba Corp Scroll type compressor
JP2003254263A (en) 2002-03-04 2003-09-10 Daikin Ind Ltd Scroll compressor

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105370569A (en) * 2014-08-26 2016-03-02 珠海格力节能环保制冷技术研究中心有限公司 Scroll compressor and air conditioner with same
CN105673505A (en) * 2014-11-18 2016-06-15 上海日立电器有限公司 Lubricating oil supply structure of scroll mechanism and scroll compressor
CN105673505B (en) * 2014-11-18 2017-12-08 上海海立新能源技术有限公司 The lubrication oil supply structure and screw compressor of vortex mechanism
CN112204259A (en) * 2018-07-05 2021-01-08 大金工业株式会社 Scroll compressor having a discharge port
CN112204259B (en) * 2018-07-05 2021-09-07 大金工业株式会社 scroll compressor
CN113982943A (en) * 2021-11-23 2022-01-28 珠海格力电器股份有限公司 Oil supply structure of scroll compressor, scroll compressor and air conditioner
CN113982943B (en) * 2021-11-23 2022-12-02 珠海格力电器股份有限公司 Oil supply structure of scroll compressor, scroll compressor and air conditioner
CN114412793A (en) * 2021-12-24 2022-04-29 珠海格力电器股份有限公司 Compression structure, compressor and air conditioner with same

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