KR100202627B1 - A method for combining in-out pipe of compressor accumulator - Google Patents

A method for combining in-out pipe of compressor accumulator Download PDF

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Publication number
KR100202627B1
KR100202627B1 KR1019970014652A KR19970014652A KR100202627B1 KR 100202627 B1 KR100202627 B1 KR 100202627B1 KR 1019970014652 A KR1019970014652 A KR 1019970014652A KR 19970014652 A KR19970014652 A KR 19970014652A KR 100202627 B1 KR100202627 B1 KR 100202627B1
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South Korea
Prior art keywords
refrigerant inlet
refrigerant
accumulator
outlet pipe
outlet
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KR1019970014652A
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Korean (ko)
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KR19980077504A (en
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김용범
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구자홍
엘지전자주식회사
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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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/14—Provisions for readily assembling or disassembling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • 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
    • 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
    • F04C2230/00—Manufacture
    • F04C2230/20—Manufacture essentially without removing material
    • F04C2230/23—Manufacture essentially without removing material by permanently joining parts together
    • 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
    • F04C2240/80—Other components
    • F04C2240/806—Pipes for fluids; Fittings therefor

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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 발명은 압축기 어큐물레이터의 냉매유입/유출관 결합방법에 관한 것으로, 종래에는 어큐믈레이터의 몸체에 냉매유입/유출관을 용접에 의하여 접합시에 용접불량 및 시간이 많이 소요되는 문제점이 있었다. 본 발명 압축기 어큐물레이터의 냉매유입/유출관 결합방법은 몸체와 냉매유입/유출관의 접합부를 접합부재를 용융시켜서 접합함으로서, 종래의 용접에 의한 접합시 보다 기밀도가 향상되어 냉매의 누설이 방지되는 효과가 있고, 또한 상기 몸체와 냉매유입/유출관을 일시에 접합하기 때문에 시간의 절감에 따른 생산성이 향상되는 효과가 있다.The present invention relates to a refrigerant inlet / outlet pipe coupling method of a compressor accumulator, and in the related art, a welding defect and a long time are required at the time of joining by welding a refrigerant inlet / outlet pipe to the body of the accumulator. . In the method of coupling the refrigerant inlet / outlet pipe of the compressor accumulator according to the present invention, the joint part of the body and the refrigerant inlet / outlet pipe are joined by melting the joining member. There is an effect that is prevented, and also because the body and the refrigerant inlet / outlet pipe is bonded at one time, there is an effect that the productivity according to the reduction of time is improved.

Description

압축기 어큐물레이터의 냉매유입/유출관 결합방법Refrigerant inflow / outflow pipe joining method of compressor accumulator

본 발명은 압축기 어큐물레이터의 냉매유입/유출관 결합방법에 관한 것으로, 특히 접합불량에 의하여 냉매가 외부로 유출되는 것을 방지하도록 하는데 적합한 압축기 어큐물레이터의 냉매유입/유출관 결합방법에 관한 것이다.The present invention relates to a refrigerant inlet / outlet pipe coupling method of a compressor accumulator, and more particularly to a refrigerant inlet / outlet pipe coupling method of a compressor accumulator suitable for preventing a refrigerant from leaking out due to a poor bonding. .

도 1은 종래 밀폐형 회전식 압축기의 구조를 보인 종단면도이고, 도 2는 종래 압축기의 어큐물레이터의 구조를 보인 종단면도로서, 도시된 바와 같이, 종래 밀폐형 회전식 압축기는 내측에 일정공간부가 형성되도록 외부케이스가 되는 밀폐용기(1)와, 그 밀폐용기(1)의 내측상부에 설치되는 전동기구부(2)와, 그 전동기구부(2)의 하측에 설치되는 압축기구부(3)와, 상기 밀폐용기(1)의 일측에 연결설치되어 있는 어큐물레이터(4)로 구성되어 있다.1 is a longitudinal sectional view showing a structure of a conventional hermetic rotary compressor, Figure 2 is a longitudinal sectional view showing a structure of an accumulator of the conventional compressor, as shown, the conventional hermetic rotary compressor is formed so that a certain space portion is formed inside A hermetic container 1 serving as a case, an electric mechanism part 2 provided on an inner upper part of the hermetic container 1, a compression mechanism part 3 provided below the electric mechanism part 2, and the hermetic container. It consists of an accumulator 4 connected to one side of (1).

그리고, 상기 전동기구부(2)는 고정자(5)의 내측에 회전자(6)가 회전가능하도록 설치되어 있다.The motor mechanism 2 is provided inside the stator 5 such that the rotor 6 is rotatable.

또한, 상기 압축기구부(3)는 상기 회전자(6)에 압입되어 있는 회전축(7)과, 그 회전축(7)의 하단부에 연결설치되어 있는 롤링피스톤(8)과, 그 롤링피스톤(8)에 의한 압축이 이루어지는 압축공간(9)이 형성되도록 설치되는 실린더(10)와, 그 실린더(10)의 상부면에 상기 회전축(7)이 삽입된 상태로 볼트(11)에 의하여 결합된 상,하부베어링(12)(12')으로 구성되어 있다.In addition, the compression mechanism (3) is a rotary shaft (7) pressed into the rotor (6), a rolling piston (8) connected to the lower end of the rotary shaft (7), and the rolling piston (8) The cylinder 10 is installed so that the compression space (9) is formed by the compression by the compression, the image coupled to the upper shaft of the cylinder 10 by the bolt 11 in the state in which the rotating shaft (7) is inserted, It consists of lower bearings 12 and 12 '.

상기 어큐물레이터(4)는 내측에 일정크기의 공간부(13)가 형성되는 원통형의 몸체(14)와, 그 몸체(14)의 상,하측에서 공간부(13) 내측으로 삽입된 상태로 용접되어 있는 냉매유입/유출관(15)(16)과, 상기 몸체(14)의 내측에 설치되어 오물을 여과하는 스크린(17)과, 그 스크린(17)의 하부에 스크린(17)이 지지되도록 설치되며 수개의 관통공(18a)이 형성되어 있는 스크린 홀더(18)로 구성되어 있다.The accumulator 4 has a cylindrical body 14 having a predetermined size of the space 13 formed therein, and is inserted into the space 13 from above and below the body 14. Refrigerant inlet / outlet tubes 15 and 16 that are welded, a screen 17 installed inside the body 14 to filter dirt, and a screen 17 under the screen 17 are supported. It consists of a screen holder 18, which is installed so as to have several through holes 18a formed therein.

상기와 같이 구성되어 있는 종래 밀폐형 회전식 압축기에서 어큐물레이터(4)의 조립시 냉매유입/유출관(15)(16)을 설치하는데 있어서 용접(WELDING)을 이용하고 있다. 즉, 몸체(14)의 상측에 냉매유입관(15)의 하단부가 일정길이 삽입되도록 하고, 그 냉매유입관(15)과 몸체(14)의 압입부 주변을 용접하여 결합한다. 그런 다음, 냉매유출관(16)의 상단부가 몸체(14)의 하측을 통하여 일정깊이로 삽입된 상태에서 상기 냉매유출관(16)과 몸체(14) 하측의 압입부 주변을 용접하여 결합고정한다.In the conventional hermetic rotary compressor configured as described above, welding is used to install the refrigerant inlet / outlet tubes 15 and 16 when the accumulator 4 is assembled. That is, the lower end portion of the refrigerant inlet pipe 15 is inserted into the upper portion of the body 14 by a predetermined length, and the refrigerant inlet pipe 15 and the press-fitting portion around the body 14 are welded to each other. Then, in the state where the upper end portion of the refrigerant outlet pipe 16 is inserted into a predetermined depth through the lower side of the body 14, the refrigerant outlet tube 16 is welded and fixed around the press-in portion around the lower side of the body 14. .

그러나, 상기와 같이 어큐물레이터(4)를 조립하는데 있어서 냉매유입/유출관(15)(16)이 몸체(14)에 용접에 의하여 접합시에 많은 문제점이 발생하였다.However, in assembling the accumulator 4 as described above, many problems have arisen when the refrigerant inlet / outlet tubes 15 and 16 are welded to the body 14 by welding.

그 첫 번째로 용접시 발생되는 열이 용접부 전체에 균일하게 가열되지 않아서 균일한 접합이 이루어지지 못하고, 따라서 용접불량을 초래하여 냉매의 누설이 발생되는 문제점이 있었다.First of all, the heat generated during welding is not uniformly heated throughout the welded portion, thereby making it impossible to achieve uniform bonding, thus causing a poor welding and leaking of the refrigerant.

그 두 번째로 냉매유입관(15)과 냉매유출관(16)을 별도로 용접하기 때문에 조립시간의 절감에 따른 생산성을 향상시키는데 한계가 있는 문제점이 있었다.Secondly, since the refrigerant inlet pipe 15 and the refrigerant outlet pipe 16 are separately welded, there is a problem in that there is a limit in improving productivity according to the reduction of the assembly time.

본 발명의 주목적은 상기와 같은 여러 문제점을 갖지 않는 압축기 어큐물레이터의 냉매유입/유출관 결합방법을 제공함에 있다.The main object of the present invention is to provide a refrigerant inlet / outlet pipe coupling method of a compressor accumulator which does not have various problems as described above.

본 발명의 다른 목적은 접합이 불량하여 냉매의 누설이 발생하는 것을 방지하도록 하는데 적합한 압축기 어큐물레이터의 냉매유입/유출관 결합방법을 제공함에 있다.It is another object of the present invention to provide a refrigerant inlet / outlet tube coupling method of a compressor accumulator suitable for preventing leakage of refrigerant due to poor bonding.

본 발명의 또다른 목적은 몸체의 양측에 냉매유입관과 냉매유출관을 일시에 결합하여 조립시간의 절감에 따른 생산성을 향상시키도록 하는데 적합한 압축기 어큐물레이터의 냉매유입/유출관 결합방법을 제공함에 있다.It is another object of the present invention to provide a refrigerant inlet / outlet pipe coupling method of a compressor accumulator suitable for combining the refrigerant inlet pipe and the refrigerant outlet pipe on both sides of the body at once to improve productivity according to the reduction of the assembly time. Is in.

도 1은 종래 밀폐형 회전식 압축기의 구조를 보인 종단면도.1 is a longitudinal sectional view showing a structure of a conventional hermetic rotary compressor.

도 2는 종래 압축기의 어큐물레이터의 구조를 보인 종단면도.Figure 2 is a longitudinal sectional view showing the structure of an accumulator of a conventional compressor.

도 3은 본 발명 밀폐형 회전식 압축기의 어큐물레이터 구조를 보인 종단면도.Figure 3 is a longitudinal sectional view showing the accumulator structure of the hermetic rotary compressor of the present invention.

도 4는 본 발명 냉매유츨관의 구조를 보인 정면도.Figure 4 is a front view showing the structure of the refrigerant flow tube of the present invention.

도 5는 도 4의 A-A'를 절단하여 보인 단면도.5 is a cross-sectional view taken along line AA ′ of FIG. 4;

* * 도면의 주요 부분에 대한 부호의 간단한 설명 * ** * Brief description of symbols for the main parts of the drawing * *

21 : 몸체 22 : 냉매유입관21: body 22: refrigerant inlet pipe

23 : 냉매유출관23: refrigerant outlet pipe

상기와 같은 본 발명의 목적을 달성하기 위하여 몸체의 상,하측에 형성된 결합공에 냉매유입관과 냉매유출관을 각각 슬라이딩 삽입하고, 상기 몸체와 냉매유입/유출공이 접촉되는 부위에 접합부재를 설치하며, 상기 접합부재가 설치된 몸체와 냉매유입/유출관에 열을 가하여 접합부재를 용융시킴으로서 몸체와 냉매유입/유출관을 접합하는 순서로 진행하는 것을 특징으로 하는 압축기 어큐물레이터의 냉매유입/유출관 결합방법이 제공된다.In order to achieve the object of the present invention as described above, the refrigerant inlet pipe and the refrigerant inlet pipe are inserted into the coupling holes formed on the upper and lower sides of the body, respectively, and the joint member is installed at a portion where the body and the refrigerant inlet / outlet hole are in contact with each other. The refrigerant inlet / outlet tube of the compressor accumulator is characterized in that in order to join the body and the refrigerant inlet / outlet tube by melting the joint member by applying heat to the body and the refrigerant inlet / outlet tube is installed. A joining method is provided.

이하, 상기와 같이 구성되는 본 발명 압축기 어큐물레이터의 냉매유입/유출관 결합방법을 실시예를 참고하여 상세히 설명하면 다음과 같다.Hereinafter, the refrigerant inlet / outlet pipe coupling method of the compressor accumulator of the present invention configured as described above will be described in detail with reference to the embodiment.

먼저, 몸체(21)의 상,하측에 형성된 결합공에 냉매유입관(22)과 냉매유출관(23)을 각각 슬라이딩 삽입하게 되는데, 이때 상기 결합공의 내경과 상기 냉매유입관(22) 및 냉매유출관(23)의 외경의 클리어런스는 0.01∼0.02mm로 유지하는 것이 바람직하다.First, the refrigerant inlet pipe 22 and the refrigerant outlet pipe 23 are inserted into the coupling holes formed on the upper and lower sides of the body 21, respectively, wherein the inner diameter of the coupling hole and the refrigerant inlet pipe 22 and The clearance of the outer diameter of the refrigerant outlet pipe 23 is preferably maintained at 0.01 to 0.02 mm.

상기와 같은 상태에서 상기 몸체(21)와 냉매유입/유출공(22)(23)이 접촉되는 부위에 접합부재(미도시)를 설치한다. 상기 접합부재로는 링 타입의 동선 또는 크림 타입의 브레이징 연고를 사용하며, 이러한 동선을 접합하고자 하는 부위에 끼우거나, 브레이징 연고를 접합부에 도포한다.In the above state, a bonding member (not shown) is installed at a portion where the body 21 and the refrigerant inlet / outlet holes 22 and 23 are in contact with each other. As the joining member, a ring-type copper wire or a cream-type brazing ointment is used, and the copper wire is inserted into a portion to be joined or a braze ointment is applied to the joint.

상기와 같은 상태에서 몸체(21)와 냉매유입/유출관(22)(23)을 벨트 타입의 연속노에 통과시켜서 접합부재가 노의 내부에서 용융되어 몸체(21)와 냉매유입/유출관(22)(23)이 슬라이딩 결합되어 있는 접합부에 모세관현상에 의하여 스며들게 함으로서 접합되는 것이다.In the above state, the body 21 and the refrigerant inlet / outlet tube 22 and 23 are passed through the belt-type continuous furnace so that the joining member is melted in the furnace, so that the body 21 and the refrigerant inlet / outlet tube 22 are formed. (23) is to be joined by infiltrating by the capillary phenomenon to the joint to which the sliding coupling.

상기와 같이 제조되는 밀폐형 회전식 압축기의 어큐물레이터를 도 3 내지 도 5를 참조하여 설명한다.An accumulator of the hermetic rotary compressor manufactured as described above will be described with reference to FIGS. 3 to 5.

도 3은 본 발명 밀폐형 회전식 압축기의 어큐물레이터 구조를 보인 종단면도이고,Figure 3 is a longitudinal sectional view showing the accumulator structure of the hermetic rotary compressor of the present invention,

도 4는 본 발명 냉매유출관의 구조를 보인 정면도이며, 도 5는 도 4의 A-A'를 절단하여 보인 단면도이다.Figure 4 is a front view showing the structure of the refrigerant outflow pipe of the present invention, Figure 5 is a cross-sectional view taken along the line AA 'of FIG.

도시된 바와 같이, 본 발명 밀폐형 회전식 압축기의 어큐물레이터는 몸체(21)의 상,하측에 냉매유입/유출관(22)(23)이 일정깊이로 삽입되어 있고, 그 몸체(21)의 내측에는 오물을 여과하기 위한 스크린(24)이 설치되어 있으며, 그 스크린(24)의 하부에는 스크린(24)을 지지하기 위한 스크린 홀더(25)가 설치되어 있는 구성은 동일하나, 단지 본 고안에서는 상기 몸체(21)에 결합되어 있는 냉매유입/유출관(22)(23)이 접합부재가 용융되어 부착된 구조로 되어 있는 것이다.As shown, in the accumulator of the hermetic rotary compressor of the present invention, the refrigerant inlet / outlet pipes 22 and 23 are inserted into the upper and lower sides of the body 21 to a predetermined depth, and the inner side of the body 21. The screen 24 for filtering dirt is provided, the lower portion of the screen 24 is the same configuration that the screen holder 25 for supporting the screen 24 is the same, but only in the present invention The refrigerant inlet / outlet tubes 22 and 23 coupled to the body 21 have a structure in which the joining member is melted and attached.

상기 냉매유입/유출관(22)(23)이 삽입되는 몸체(21)의 결합부의 단부는 도 3에 도시된 바와 같이 내측방향으로 절곡형성되며, 도 4 및 도 5에 도시되어 있는 바와 같이 상기 몸체(21)이 결합공에 접촉되는 냉매유출관(23)의 외측은 전,후방향의 홈(26)을 외주면을 따라 다수개 형성하여 접합부재의 용융시 상기 홈(26)을 통하여 접합부재가 용이하게 스며들도록 되어 있다. 상기 홈(26)은 냉매유입관(22)의 외주면에도 형성하여 접합부재의 용융시 접합력이 향상되도록 하는 것이 바람직하다.End portions of the coupling portion of the body 21 into which the refrigerant inlet / outlet pipes 22 and 23 are inserted are bent inwardly as shown in FIG. 3, and as shown in FIGS. 4 and 5. The outer side of the refrigerant outflow pipe 23 in which the body 21 is in contact with the coupling hole is formed with a plurality of grooves 26 in the front and rear directions along the outer circumferential surface, so that the joint members are connected through the grooves 26 when the joint members are melted. It is designed to soak easily. The grooves 26 are also formed on the outer circumferential surface of the refrigerant inlet pipe 22 to improve the bonding force when the bonding member is melted.

이상에서 상세히 설명한 바와 같이 본 발명 압축기 어큐물레이터의 냉매유입/유출관 결합방법은 몸체와 냉매유입/유출관의 접합부를 접합부재를 용융시켜서 접합함으로서, 종래의 용접에 의한 접합시 보다 기밀도가 향상되어 냉매의 누설이 방지되는 효과가 있고, 또한 상기 몸체와 냉매유입/유출관을 일시에 접합하기 때문에 시간의 절감에 따른 생산성이 향상되는 효과가 있다.As described in detail above, the method of coupling the refrigerant inlet / outlet tube of the compressor accumulator of the present invention is to join the joint portion of the body and the refrigerant inlet / outlet tube by melting the joining member, so that the degree of airtightness is higher than that of the conventional welding. Since the leakage of the refrigerant is improved, and the body and the refrigerant inlet / outlet pipe are joined at one time, the productivity according to the reduction of time is improved.

Claims (3)

몸체의 상,하측에 형성된 결합공에 냉매유입관과 냉매유출관을 각각 슬라이딩 삽입하고,Sliding insert the refrigerant inlet pipe and the refrigerant outlet pipe into the coupling holes formed on the upper and lower sides of the body, respectively, 상기 몸체와 냉매유입/유출공이 접촉되는 부위에 접합부재를 설치하며,A joint member is installed at a portion where the body and the refrigerant inlet / outlet contact with each other, 상기 접합부재가 설치된 몸체와 냉매유입/유출관에 열을 가하여 접합부재를 용융시키는 것을 특징으로 하는 압축기 어큐물레이터의 냉매유입/유출관 결합방법.And a refrigerant inlet / outlet pipe joining method of a compressor accumulator, characterized in that the joint member is melted by applying heat to the body and the refrigerant inlet / outlet tube where the joint member is installed. 제 1항에 있어서, 상기 접합부재로는 링 타입의 동선 또는 크림 타입의 브레이징 연고중 어느 하나를 사용하는 것을 특징으로 하는 압축기 어큐물레이터의 냉매유입/유출관 결합방법.The method of claim 1, wherein the joining member uses any one of a ring-type copper wire or a cream-type brazing ointment. 제 1항에 있어서, 상기 접합부재의 용융은 연속 노에서 실시하는 것을 특징으로 하는 압축기 어큐물레이터의 냉매유입/유출관 결합방법.The method of claim 1, wherein the melting of the joining member is performed in a continuous furnace.
KR1019970014652A 1997-04-19 1997-04-19 A method for combining in-out pipe of compressor accumulator KR100202627B1 (en)

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