KR100305114B1 - Compressor having a improved piston - Google Patents
Compressor having a improved piston Download PDFInfo
- Publication number
- KR100305114B1 KR100305114B1 KR1019990045415A KR19990045415A KR100305114B1 KR 100305114 B1 KR100305114 B1 KR 100305114B1 KR 1019990045415 A KR1019990045415 A KR 1019990045415A KR 19990045415 A KR19990045415 A KR 19990045415A KR 100305114 B1 KR100305114 B1 KR 100305114B1
- Authority
- KR
- South Korea
- Prior art keywords
- piston
- compressor
- cylinder
- suction valve
- interference
- Prior art date
Links
- 239000003507 refrigerant Substances 0.000 claims abstract description 17
- 230000002265 prevention Effects 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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
- 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
- F04B39/0005—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 adaptations of pistons
- F04B39/0016—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 adaptations of pistons with valve arranged in the piston
-
- 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
Abstract
피스톤의 상면을 흡입밸브의 단부가 치는 간섭 현상을 방지하여 흡입밸브의 파손을 방지할 수 있는 개선된 피스톤을 구비한 압축기가 개시된다. 개시된 압축기는, 실린더내를 왕복 운동하면서 흡입밸브를 통해 냉매를 실린더내로 흡입하여 압축시킨 후, 토출 밸브를 통해 실린더 외부로 토출시키는 피스톤을 구비하는 압축기에 있어서, 흡입밸브와 대응되는 피스톤의 상면에 흡입밸브의 단부와의 간섭을 방지하는 간섭방지홈이 형성되어 있다.Disclosed is a compressor having an improved piston capable of preventing damage to the intake valve by preventing interference of the upper surface of the piston against the end of the intake valve. The compressor described above has a piston for sucking and compressing a refrigerant into a cylinder through a suction valve while reciprocating in a cylinder, and then discharging the refrigerant out of the cylinder through a discharge valve, wherein the compressor has an upper surface of a piston corresponding to the suction valve. An interference prevention groove is formed to prevent interference with the end of the suction valve.
Description
본 발명은 압축기에 관한 것으로서, 더욱 상세하게는 피스톤의 상면과 실린더의 흡입통로에 설치된 흡입밸브간의 간섭으로 인한 피스톤 상면과 흡입밸브의 파손을 방지할 수 있는 개선된 피스톤을 구비한 압축기에 관한 것이다.The present invention relates to a compressor, and more particularly, to a compressor having an improved piston that can prevent damage to the piston upper surface and the suction valve due to interference between the upper surface of the piston and the suction valve installed in the suction passage of the cylinder. .
도 1에는 종래의 압축기에 사용되는 압축기구부가 도시되어 있으며, 도 1에 의하면, 실린더(1)의 상부에는 냉매의 흡입통로(2)와 이를 개폐시키는 흡입밸브(3)가 설치되어 있고, 또 압축된 냉매의 토출통로(7)와 이를 개폐하는 토출밸브(8)가 설치되어 있고, 실린더(1) 내에는 왕복 운동하는 피스톤(4)이 설치되어 있다.1 shows a compression mechanism used for a conventional compressor, and according to FIG. 1, an upper portion of the cylinder 1 is provided with a suction passage 2 of a refrigerant and a suction valve 3 for opening and closing the refrigerant. A discharge passage 7 of the compressed refrigerant and a discharge valve 8 for opening and closing the refrigerant are provided, and a piston 4 reciprocating is provided in the cylinder 1.
그리고 피스톤(4)은 통상의 커넥팅 로드(5)와 연결되고, 커넥팅로드(5)는 크랭크(6)에 연결되며, 피스톤(4)의 상면은 평면으로 이루어져 있다. 흡입밸브(3) 및 토출밸브(8)는 냉매의 압력차에 의해 자동으로 개폐작용을 하는 리드밸브(reed valve)이다.And the piston 4 is connected with the conventional connecting rod 5, the connecting rod 5 is connected to the crank 6, the upper surface of the piston 4 is made of a plane. The intake valve 3 and the discharge valve 8 are reed valves that open and close automatically by the pressure difference of the refrigerant.
이와 같이 구성된 종래 압축기의 피스톤은, 실린더(1) 내에서 왕복 운동하면서 냉매를 실린더(1)내로 흡입하는 흡입행정과, 실린더(1)내로 흡입된 냉매를 압축하는 압축행정을 반복적으로 수행하면서, 냉매를 흡입하여 압축시킨 후 토출시키게 된다.The piston of the conventional compressor configured as described above is a refrigerant while repeatedly performing a suction stroke that sucks refrigerant into the cylinder 1 while reciprocating in the cylinder 1, and a compression stroke that compresses the refrigerant sucked into the cylinder 1. It is compressed by suction and then discharged.
그러나 이와 같이 구성된 종래 압축기의 피스톤(4)은 상면이 평면으로 형성되어 있으므로, 실린더(1) 내에서 왕복 운동하는 피스톤(4)의 상면을 실린더(1)의 상측 내면에 설치된 흡입밸브(3)의 끝단부가 치는 간섭 현상이 일어나게 된다.However, since the piston 4 of the conventional compressor configured as described above has a flat upper surface, the suction valve 3 provided with the upper surface of the piston 4 reciprocating in the cylinder 1 is provided on the upper inner surface of the cylinder 1. Hitting the end of the interference will occur.
즉, 피스톤(4)이 상사점으로부터 후퇴한 거리보다 빠른 시간내에 흡입밸브(3)의 동작이 이루어져 흡입밸브(3)의 끝단부가 피스톤(4)의 상면을 치는간섭 현상이 발생하게 된다.That is, the operation of the suction valve 3 is performed within a time faster than the distance from which the piston 4 retracts from the top dead center, thereby causing an interference phenomenon in which the end of the suction valve 3 hits the upper surface of the piston 4.
따라서 이와 같은 흡입밸브(3)와 피스톤(4)간의 간섭 현상이 반복적으로 일어나는 경우에는, 피스톤(4)의 상면에 찍힘 자국이 발생하게 될 뿐만 아니라, 상대적으로 약한 흡입밸브(3)가 파손되어 압축기가 동작하지 못하는 문제점이 있었다.Therefore, in the case where such an interference phenomenon between the suction valve 3 and the piston 4 occurs repeatedly, not only does a mark appear on the upper surface of the piston 4, but also the relatively weak suction valve 3 is damaged. There was a problem that the compressor does not work.
따라서 본 발명은, 종래의 압축기 피스톤의 상기와 같은 문제점을 해결하고자 하는 것으로서, 피스톤의 상면을 흡입밸브의 단부가 치는 간섭 현상을 방지하여 흡입밸브의 파손을 방지할 수 있는 개선된 피스톤을 구비한 압축기를 제공하는데 그 목적이 있다.Therefore, the present invention is to solve the above problems of the conventional compressor piston, having an improved piston that can prevent the breakage of the intake valve by preventing the phenomenon that the end of the intake valve hits the upper surface of the piston The purpose is to provide a compressor.
도 1은 종래 압축기의 압축기구부를 도시한 개략도.1 is a schematic diagram showing a compression mechanism of a conventional compressor.
도 2는 본 발명에 따른 압축기의 압축기구부를 도시한 개략도.2 is a schematic view showing a compression mechanism of the compressor according to the present invention.
도 3은 본 발명에 따른 압축기의 압축기구부의 피스톤의 바람직한 실시예를 도시한 사시도.Figure 3 is a perspective view showing a preferred embodiment of the piston of the compression mechanism of the compressor according to the present invention.
도 4는 본 발명에 따른 압축기의 압축기구부의 피스톤의 변형예를 도시한 사시도.4 is a perspective view showing a modification of the piston of the compression mechanism of the compressor according to the present invention.
*도면의 주요 부호에 대한 간단한 설명** Brief description of the main symbols in the drawings *
11 : 실린더 13 : 흡입밸브11 cylinder 13 suction valve
14,14' : 피스톤 20,20' : 간섭방지홈14,14 ': Piston 20,20': Interference prevention groove
본 발명의 상기와 같은 목적은, 실린더 내를 왕복 운동하면서 흡입밸브를 통해 냉매를 실린더 내로 흡입하여 압축 시킨 후, 토출밸브를 통해 실린더 외부로 토출시키는 피스톤을 구비하는 압축기에 있어서, 상기 흡입밸브와 대응되는 상기 피스톤의 상면에 상기 흡입밸브의 단부와의 간섭을 방지하는 간섭방지홈이 형성된 것을 특징으로 하는 개선된 피스톤을 구비한 압축기를 제공함으로서 달성된다.The above object of the present invention is a compressor having a piston for injecting and compressing a refrigerant into a cylinder through a suction valve while reciprocating in a cylinder, and then discharging the refrigerant out of a cylinder through a discharge valve, wherein the suction valve and It is achieved by providing a compressor with an improved piston, characterized in that an interference prevention groove is formed on the upper surface of the corresponding piston to prevent interference with the end of the suction valve.
여기서, 상기 간섭방지홈은 피스톤의 상면의 일측에 형성된 사각형상의 홈 또는 피스톤의 상면의 중심과 동심으로 소정거리를 두고 형성된 소정폭의 원형의 홈으로 이루어지는 것이 바람직하다.Here, the interference preventing groove is preferably made of a rectangular groove formed on one side of the upper surface of the piston or a circular groove of a predetermined width formed at a predetermined distance concentrically with the center of the upper surface of the piston.
이하 첨부도면을 참조하여 본 발명의 바람직한 실시예를 상세하게 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
도 2는 본 발명에 따른 압축기의 압축기구부를 도시한 것으로서, 이는, 실린더(11)의 상부에는 냉매 흡입통로(12)와 이를 개폐하는 흡입밸브(13)가 마련되어 있고, 압축된 냉매의 토출통로(17)와 이를 개폐하는 토출밸브(18)이 마련되어 있고, 실린더(11) 내에는 이를 따라 왕복운동하는 피스톤(14)이 설치되어 있으며, 피스톤(14)은 통상의 커넥팅 로드(15)를 매개하여 크랭크(16)와 연결되어 있다.Figure 2 shows a compression mechanism of the compressor according to the present invention, which is provided with a refrigerant suction passage 12 and a suction valve 13 for opening and closing the cylinder 11, the discharge passage of the compressed refrigerant (17) and a discharge valve (18) for opening and closing the valve (17) is provided, and the cylinder (11) is provided with a piston (14) reciprocating along it, the piston (14) is a medium for connecting the conventional connecting rod (15) Is connected to the crank 16.
그리고 피스톤(14)의 상면에는 도 3에 도시되어 있는 바와 같이, 흡입밸브(13)의 단부와의 간섭(접촉)을 방지하는 간섭방지홈(20)이 형성된다.And the upper surface of the piston 14, as shown in Figure 3, the interference prevention groove 20 for preventing the interference (contact) with the end of the suction valve 13 is formed.
그리고 도 4는 본 발명에 따른 피스톤의 변형예를 도시한 것으로서, 피스톤(14')의 상면에 흡입밸브(13)의 단부와의 간섭을 방지하기 위한 원형의 간섭방지홈(20')이 형성된다.And Figure 4 shows a modification of the piston according to the present invention, a circular interference preventing groove 20 'is formed on the upper surface of the piston 14' to prevent interference with the end of the suction valve 13 do.
이와 같이 구성된 본 발명에 따른 압축기의 피스톤에서는, 냉매의 흡입 행정중 흡입밸브(13)가 냉매의 압력차에 의해 실린더(11) 내부의 하측으로 구부러진 상태에서 흡입밸브(13)의 단부가 피스톤(14)(14')의 상면에 형성된 간섭방지홈(20)(20')에 위치하게 되므로, 실린더(11) 내를 왕복 운동하는 피스톤(14)의 상면을 흡입밸브(13)의 단부가 치는 간섭 현상이 상기 간섭방지홈(20)(20')에 의해 방지된다.In the piston of the compressor according to the present invention configured as described above, the end of the suction valve 13 is the piston (in the state in which the suction valve 13 is bent to the lower side inside the cylinder 11 by the pressure difference of the refrigerant during the suction stroke of the refrigerant). 14) is located in the interference prevention grooves 20 and 20 'formed on the upper surface of the 14', so that the end of the suction valve 13 hits the upper surface of the piston 14 reciprocating in the cylinder 11. The interference phenomenon is prevented by the interference preventing grooves 20 and 20 '.
따라서 종래 방식에서 발생되던 흡입밸브(13)와 피스톤(14)간의 간섭 현상으로 인한 피스톤(14) 상면의 찍힘 자국 발생 및 흡입밸브(13)의 파손을 방지한다.Therefore, it is possible to prevent the occurrence of the cut marks on the upper surface of the piston 14 and the breakage of the suction valve 13 due to the interference phenomenon between the suction valve 13 and the piston 14 generated in the conventional manner.
본 발명 압축기의 피스톤에 의하면, 흡입밸브의 단부와 피스톤 상면간의 간섭 현상을 방지함으로써 피스톤 상면의 찍힘 자국 발생 및 흡입밸브의 파손을 방지할 수 있게 된다.According to the piston of the compressor of the present invention, by preventing the phenomenon of the interference between the end of the intake valve and the piston upper surface, it is possible to prevent the occurrence of stamping marks on the piston upper surface and damage to the suction valve.
이상에서는 본 발명을 특정의 바람직한 실시예에 대하여 도시하고 또한 설명하였으나, 본 발명은 상술한 실시예에 한정되지 아니하며, 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자라면 이하 청구범위에 기재된 본 발명의 요지를 벗어남이 없이 다양한 변경실시가 가능할 것이다.Although the present invention has been illustrated and described with reference to certain preferred embodiments, the present invention is not limited to the above-described embodiments, and a person skilled in the art to which the present invention pertains has the present invention set forth in the claims below. Various modifications may be made without departing from the spirit of the invention.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019990045415A KR100305114B1 (en) | 1999-10-19 | 1999-10-19 | Compressor having a improved piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019990045415A KR100305114B1 (en) | 1999-10-19 | 1999-10-19 | Compressor having a improved piston |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20010037744A KR20010037744A (en) | 2001-05-15 |
| KR100305114B1 true KR100305114B1 (en) | 2001-10-29 |
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ID=19616012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019990045415A KR100305114B1 (en) | 1999-10-19 | 1999-10-19 | Compressor having a improved piston |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100305114B1 (en) |
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1999
- 1999-10-19 KR KR1019990045415A patent/KR100305114B1/en not_active IP Right Cessation
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| Publication number | Publication date |
|---|---|
| KR20010037744A (en) | 2001-05-15 |
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