JP2019002306A5 - - Google Patents
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- JP2019002306A5 JP2019002306A5 JP2017116395A JP2017116395A JP2019002306A5 JP 2019002306 A5 JP2019002306 A5 JP 2019002306A5 JP 2017116395 A JP2017116395 A JP 2017116395A JP 2017116395 A JP2017116395 A JP 2017116395A JP 2019002306 A5 JP2019002306 A5 JP 2019002306A5
- Authority
- JP
- Japan
- Prior art keywords
- piston
- lubricating oil
- piston pin
- oil passage
- circumferential groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010687 lubricating oil Substances 0.000 claims 24
- 239000003921 oil Substances 0.000 claims 2
- 230000001154 acute Effects 0.000 claims 1
- 238000005461 lubrication Methods 0.000 claims 1
Claims (7)
往復動可能でピストンピンを設けたピストンと、
前記ピストンピンの軸方向に延在するピストンピン軸方向潤滑油通路と、
前記ピストンピンの周方向に延在するピストンピン周方向溝と、を有する密閉型圧縮機。 A sealed container storing lubricating oil,
A piston reciprocally movable and provided with a piston pin,
A piston pin axial lubricating oil passage extending in the axial direction of the piston pin,
A hermetic compressor having a piston pin circumferential groove extending in a circumferential direction of the piston pin.
前記クランクシャフトの回転軸周りに公転するクランクピンと、
前記クランクピン及び前記ピストンにそれぞれ嵌合する大端部及び小端部と、該大端部及び該小端部を繋ぐ腕部と、を有するコネクティングロッドと、を有し、
前記大端部から前記小端部に向かって設けた連通穴を有し、
前記ピストンの上面は、下死点に位置する場合に少なくとも一部がシリンダから露出し、
前記潤滑油の一部は前記連通穴を通り、他の一部は前記ピストンの上面に降りかかることができることを特徴とする請求項1に記載の密閉型圧縮機。 A crankshaft that can rotate and pump lubricating oil,
A crankpin that revolves around a rotation axis of the crankshaft,
A connecting rod having a large end and a small end fitted to the crankpin and the piston, respectively, and an arm connecting the large end and the small end,
Having a communication hole provided from the large end toward the small end,
The upper surface of the piston is at least partially exposed from the cylinder when located at the bottom dead center,
The hermetic compressor according to claim 1, wherein a part of the lubricating oil passes through the communication hole, and another part of the lubricating oil can fall on an upper surface of the piston.
前記上側溝及び前記下側溝の一方又は両方は、前記ピストンピン周方向溝に繋がっていることを特徴とする請求項1乃至3何れか一項に記載の密閉型圧縮機。 The piston pin axial lubricating oil passage has an upper lubricating oil passage located above the piston pin circumferential groove, and a lower lubricating oil passage located below the piston pin circumferential groove,
4. The hermetic compressor according to claim 1, wherein one or both of the upper groove and the lower groove are connected to the piston pin circumferential groove. 5.
前記ピストンピン軸方向潤滑油通路のうち少なくとも2つが交点を成すことを特徴とする請求項1乃至5何れか一項に記載の密閉型圧縮機。 The piston pin has two or more axial lubricating oil passages,
The hermetic compressor according to any one of claims 1 to 5, wherein at least two of the piston pin axial lubricating oil passages form an intersection.
往復動可能でピストンピンを設けたピストンと、 A piston reciprocally movable and provided with a piston pin,
前記ピストンピンの軸方向に延在するピストンピン軸方向潤滑油通路と、 A piston pin axial lubricating oil passage extending in the axial direction of the piston pin,
前記ピストンピンの周方向に延在するピストンピン周方向溝と、 A piston pin circumferential groove extending in the circumferential direction of the piston pin,
回転自在で潤滑油を汲み上げることができるクランクシャフトと、 A crankshaft that can rotate and pump lubricating oil,
前記クランクシャフトの回転軸周りに公転するクランクピンと、 A crankpin that revolves around a rotation axis of the crankshaft,
前記クランクピン及び前記ピストンにそれぞれ嵌合する大端部及び小端部と、該大端部及び該小端部を繋ぐ腕部と、を有するコネクティングロッドと、 A connecting rod having a large end and a small end fitted to the crankpin and the piston, respectively, and an arm connecting the large end and the small end,
前記大端部から前記小端部に向かって設けた連通穴と、を有し、 A communication hole provided from the large end toward the small end,
前記ピストンの上面に設けたピストン凹部は、下死点に位置する場合に少なくとも一部がシリンダから露出し、 The piston recess provided on the upper surface of the piston is at least partially exposed from the cylinder when located at the bottom dead center,
前記ピストンピン軸方向潤滑油通路は、 The piston pin axial lubricating oil passage,
前記ピストンの上面と下面とに連通し、かつ、前記ピストンピン周方向溝に繋がっており、 It communicates with the upper and lower surfaces of the piston, and is connected to the piston pin circumferential groove,
前記ピストンピン周方向溝より上側に位置し前記ピストンの上面と連通する上側潤滑油通路と、前記ピストンピン周方向溝より下側に位置し前記ピストンの下面と連通する下側潤滑油通路と、を有し、 An upper lubricating oil passage located above the piston pin circumferential groove and communicating with the upper surface of the piston, a lower lubricating oil passage located below the piston pin circumferential groove and communicating with the lower surface of the piston, Has,
前記クランクシャフトが汲み上げた潤滑油を前記ピストンの下面に給油する給油経路として、 As a lubrication path for lubricating oil pumped by the crankshaft to the lower surface of the piston,
前記クランクピン、前記連通穴、前記ピストンピン周方向溝、前記下側潤滑油通路、前記ピストンの下面、の順に潤滑油が流れる第一給油経路と、 A first oil supply path through which lubricating oil flows in the order of the crank pin, the communication hole, the piston pin circumferential groove, the lower lubricating oil passage, and the lower surface of the piston;
前記クランクピン、前記ピストン凹部、前記上側潤滑油通路、前記下側潤滑油通路、前記ピストンの下面、の順に潤滑油が流れる第二給油経路と、 A second oil supply path through which lubricating oil flows in the order of the crank pin, the piston recess, the upper lubricating oil passage, the lower lubricating oil passage, and the lower surface of the piston;
を含む密閉型圧縮機。Including hermetic compressor.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017116395A JP2019002306A (en) | 2017-06-14 | 2017-06-14 | Hermetic compressor and apparatus using the same |
KR1020180019197A KR101994681B1 (en) | 2017-06-14 | 2018-02-19 | Hermetic compressor and apparatus using the same |
SG10201804004XA SG10201804004XA (en) | 2017-06-14 | 2018-05-11 | Hermetic compressor and device using the same |
CN201810553794.2A CN109083826A (en) | 2017-06-14 | 2018-05-31 | Hermetic type compressor and the equipment for having used the hermetic type compressor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017116395A JP2019002306A (en) | 2017-06-14 | 2017-06-14 | Hermetic compressor and apparatus using the same |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019002306A JP2019002306A (en) | 2019-01-10 |
JP2019002306A5 true JP2019002306A5 (en) | 2020-03-19 |
Family
ID=64839234
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017116395A Pending JP2019002306A (en) | 2017-06-14 | 2017-06-14 | Hermetic compressor and apparatus using the same |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP2019002306A (en) |
KR (1) | KR101994681B1 (en) |
CN (1) | CN109083826A (en) |
SG (1) | SG10201804004XA (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7258710B2 (en) * | 2019-10-01 | 2023-04-17 | ジーエムシーシー アンド ウェリング アプライアンス コンポーネント (タイランド) カンパニー リミテッド | Compressor and equipment using this |
CN113389710B (en) * | 2021-07-27 | 2022-11-18 | 珠海格力节能环保制冷技术研究中心有限公司 | Piston pin on piston compressor and piston compressor |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07208333A (en) * | 1994-01-24 | 1995-08-08 | Aisan Ind Co Ltd | Piston type fluid pump |
JPH07224761A (en) | 1994-02-09 | 1995-08-22 | Matsushita Refrig Co Ltd | Closed type compressor |
JPH07317899A (en) * | 1994-05-25 | 1995-12-08 | Daihatsu Motor Co Ltd | Piston pin for internal combustion engine and machining method therefor |
JP3872146B2 (en) * | 1996-11-08 | 2007-01-24 | 松下冷機株式会社 | Hermetic compressor |
JPH10281068A (en) * | 1997-04-04 | 1998-10-20 | Matsushita Refrig Co Ltd | Sealed compressor |
KR100301469B1 (en) * | 1998-02-26 | 2002-02-28 | 구자홍 | Structure for supplying oil of hermetic motor compressor |
KR100296102B1 (en) * | 1998-03-12 | 2002-02-19 | 이충전 | Structure for supplying oil of compressor |
KR100871129B1 (en) * | 2002-10-31 | 2008-12-03 | 엘지전자 주식회사 | Oil supplying structure of connectingrod in hermetic compressor |
JP2013100797A (en) * | 2011-11-10 | 2013-05-23 | Panasonic Corp | Hermetic compressor |
JP2017075531A (en) * | 2015-10-13 | 2017-04-20 | 日立アプライアンス株式会社 | Hermetic compressor and apparatus equipped with the same |
-
2017
- 2017-06-14 JP JP2017116395A patent/JP2019002306A/en active Pending
-
2018
- 2018-02-19 KR KR1020180019197A patent/KR101994681B1/en active IP Right Grant
- 2018-05-11 SG SG10201804004XA patent/SG10201804004XA/en unknown
- 2018-05-31 CN CN201810553794.2A patent/CN109083826A/en active Pending
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