CN105697337A - Self-adaptive oil supply crankshaft - Google Patents
Self-adaptive oil supply crankshaft Download PDFInfo
- Publication number
- CN105697337A CN105697337A CN201610079845.3A CN201610079845A CN105697337A CN 105697337 A CN105697337 A CN 105697337A CN 201610079845 A CN201610079845 A CN 201610079845A CN 105697337 A CN105697337 A CN 105697337A
- Authority
- CN
- China
- Prior art keywords
- oil
- main shaft
- shaft part
- oil groove
- oilhole
- 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.)
- Granted
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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
- 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
- F04B39/0094—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 crankshaft
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- 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
Abstract
The invention discloses a self-adaptive oil supply crankshaft. The self-adaptive oil supply crankshaft comprises a crankshaft and an oil absorption tube, wherein the crankshaft comprises a crankshaft part, a balance part and a main shaft part; the crankshaft is provided with a first spiral oil groove and a second spiral oil groove in the outer wall of the main shaft part; an oil absorption inner cavity is arranged in the lower end of the main shaft part; the main shaft part is provided with a first oil hole in the lower end of the first oil groove; the main shaft part is provided with a second oil hole in the lower end of the second oil groove; the oil absorption tube is provided with a straight-through inner cavity; the oil absorption tube is arranged at the lower end of the main shaft part; the straight-through inner cavity of the oil absorption tube communicates with the oil absorption inner cavity of the crankshaft; a plug head deviating from the axis of the main shaft part and capable of plugging the first oil hole under the action of a centrifugal force, and an elastic return element capable of separating the plug head from a first axis hole are arranged in the oil absorption inner cavity and at the inner side of the first oil hole. The self-adaptive oil supply crankshaft disclosed by the invention is capable of controlling an oil pumping amount at a high rotational speed, reducing excessive energy consumption caused due to oil pumping at the high speed, and improving compressor performance; and meanwhile, the oil pumping amount at the high rotational speed is controlled, thus avoiding excessive oil quantity of a compressor.
Description
Technical field
The present invention is used for Compressor Technology field, particularly relates to a kind of self adaptation fuel feeding bent axle。
Background technology
The oil circuit design of existing compressor crank shaft is all to meet minimum pumping ability for principle, to be left out maximum pumping ability, particularly frequency-changeable compressor。Therefore oil circuit design is all changeless, it is impossible to be adjusted according to speed of crankshaft。Frequency-changeable compressor maximum speed reaches 4500rpm, and the rotating speed than common compressor 3000rpm is high by 50%。
Realize because compressor oil-supplying ability is rotated generation centrifugal force by bent axle, frequency-changeable compressor compressor oil-supplying ability when high rotating speed interval (more than 3500rpm) is excessive, fuel delivery has exceeded the needs of lubrication, cause that compressor oil drainage amount increases, affect the heat exchange of refrigeration system, reduce the refrigerating capacity of refrigeration system。Fuel delivery process needs to consume input power simultaneously, and excessive fuel feeding then result in compressor and done more idle work, reduces the efficiency of compressor。The bent axle of existing frequency-changeable compressor only considers to ensure the supply capability under the compressor slow-speed of revolution, supply capability under high rotating speed is not affected by control, raising along with rotating speed, pump oil mass increases, consume too much pump oil power consumption, reduce compressor capacity usage ratio, also increase compressor oil drainage amount, cause quality problems one quality problems of compressor (oil drain quantity be greatly)。
It is therefore desirable to control the frequency-changeable compressor supply capability in high rotating speed interval。
Summary of the invention
For solving the problems referred to above, the present invention provides a kind of self adaptation fuel feeding bent axle, and it can control the pump oil mass under high rotating speed, reduces the excessive power consumption caused under at a high speed because of pump oil, it is provided that compressor performance；Control the pump oil mass under high rotating speed simultaneously, stop the quality problems that compressor occurs that oil flow is excessive。
The technical solution adopted for the present invention to solve the technical problems is: a kind of self adaptation fuel feeding bent axle, including bent axle and fuel sucking pipe, described bent axle includes crank portion, balance portion and main shaft part, described bent axle is provided with spiral oil groove at the outer wall of main shaft part, described oil groove includes the first oil groove and the second oil groove, it is provided with oil suction inner chamber in the lower end of main shaft part, described main shaft part offers the first oilhole connecting described first oil groove and oil suction inner chamber in the lower end of the first oil groove, main shaft part offers the second oilhole connecting described second oil groove and oil suction inner chamber in the lower end of the second oil groove, described fuel sucking pipe has straight-through inner chamber, fuel sucking pipe is located at the lower end of main shaft part, the straight-through inner chamber of fuel sucking pipe and the oil suction inner space of bent axle, described oil suction inner chamber is provided with in the inner side of the first oilhole deviation main shaft part axis and the plug of described first oilhole and the elastic reset part that plug and the first axis hole can be separated can be blocked under centrifugal action。
It is further used as the improvement of technical solution of the present invention, described fuel sucking pipe inserts described oil suction inner chamber and is tightly sleeved in the lower end of described main shaft part, described fuel sucking pipe is provided with mounting seat in the inner side of the first oilhole, described mounting seat is provided with spring base, described elastic reset part is extension spring, one end of described extension spring is connected with spring base, and the other end is connected with described plug。
It is further used as the improvement of technical solution of the present invention, the upper surface of described fuel sucking pipe is provided with the upwardly extending connection sheet of inwall along oil suction inner chamber in the side near described first oilhole, the top connecting sheet has the end plate of lateral buckling in oil suction inner chamber, and the top end face of end plate forms described mounting seat。
It is further used as the improvement of technical solution of the present invention, described mounting seat is provided with the gathering sill being directed radially towards the first oilhole, described spring base is positioned at gathering sill one end away from the first oilhole, and described plug can slide along described gathering sill under the effect of centrifugal force and extension spring。
Being further used as the improvement of technical solution of the present invention, described mounting seat is provided with two parallel gib blocks, forms gathering sill described in two between gib block。
Being further used as the improvement of technical solution of the present invention, described first oilhole is circular hole, and described plug has the sphere that can mate laminating with described first oilhole。
Being further used as the improvement of technical solution of the present invention, the upper end of main shaft part is communicated with the 3rd oilhole to crank portion, the first oil groove and the second oil groove and crosses and merge into the main oil groove that the outer wall along main shaft part upwards coils, and described main oil groove imports the 3rd oilhole。
Being further used as the improvement of technical solution of the present invention, the joint of the first oil groove and the second oil groove is positioned at the middle part of main shaft part。
Beneficial effects of the present invention: the present invention, in order to meet the pump oil demand during frequency-changeable compressor slow-speed of revolution, adopts the Double helix oil groove bent axle scheme including the first oil groove and the second oil groove, it is provided that pumping ability。Arranging a plug in oil suction inner chamber, this plug is directed at the first oilhole, under centrifugal action, drives the deformation of elastic reset part, changes the position of plug。When compressor operating is when the slow-speed of revolution (less than 3000rpm), elastic reset part deflection is less, and plug leaves the first oilhole, does not close the first oil groove, without influence on supply capability；When compressor operating is when high rotating speed interval (>=3500rpm), elastic reset part deflection strengthens, and plug is adjacent to the first oilhole, closes the first oil groove, reduces upwards fuel delivery。The present invention can control the pump oil mass under high rotating speed, reduces the excessive power consumption caused under at a high speed because of pump oil, it is provided that compressor performance；Control the pump oil mass under high rotating speed simultaneously, stop the quality problems that compressor occurs that oil flow is excessive。
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is overall structure schematic diagram of the present invention；
Fig. 2 is structural representation after bent axle of the present invention and fuel sucking pipe split；
Fig. 3 is crankshaft structure schematic diagram of the present invention；
Fig. 4 is fuel sucking pipe structural representation of the present invention。
Detailed description of the invention
Referring to figs. 1 through Fig. 4, that show the concrete structure of the preferred embodiments of the invention。Will be detailed below the construction features of each element of the present invention, and if when being described to direction (upper and lower, left and right, before and after), be describe with the structure shown in Fig. 1 for reference, but the actually used direction of the present invention be not limited thereto。
The invention provides a kind of self adaptation fuel feeding bent axle, including bent axle 1 and fuel sucking pipe 2, described bent axle 1 includes crank portion 11, balance portion 12 and main shaft part 13, described bent axle 1 is provided with spiral oil groove at the outer wall of main shaft part 13, described oil groove includes the first oil groove 14 and the second oil groove 15, it is provided with oil suction inner chamber in the lower end of main shaft part 13, described main shaft part 13 offers the first oilhole 16 connecting described first oil groove 14 and oil suction inner chamber in the lower end of the first oil groove 14, main shaft part 13 offers the second oilhole 17 connecting described second oil groove 15 and oil suction inner chamber in the lower end of the second oil groove 15, described fuel sucking pipe 2 has straight-through inner chamber 21, fuel sucking pipe 2 is located at the lower end of main shaft part 13, the straight-through inner chamber 21 of fuel sucking pipe 2 and the oil suction inner space of bent axle 1, described oil suction inner chamber is provided with in the inner side of the first oilhole 16 deviation main shaft part axis and the plug 3 of described first oilhole 16 and the elastic reset part 4 that plug 3 can be separated with the first axis hole 16 can be blocked under centrifugal action。The present invention, in order to meet the pump oil demand during frequency-changeable compressor slow-speed of revolution, adopts the Double helix oil groove bent axle scheme including the first oil groove 14 and the second oil groove 15, it is provided that pumping ability。Arranging a plug 3 in oil suction inner chamber, this plug 3 is directed at the first oilhole 16, under centrifugal action, drives elastic reset part 4 to deform, changes the position of plug 3。When compressor operating is when the slow-speed of revolution (less than 3000rpm), elastic reset part 4 deflection is less, and plug 3 leaves the first oilhole 16, does not close the first oil groove 14, without influence on supply capability；When compressor operating is when high rotating speed interval (>=3500rpm), elastic reset part 4 deflection strengthens, and plug 3 is adjacent to the first oilhole 16, closes the first oil groove 14, reduces upwards fuel delivery。The present invention can control the pump oil mass under high rotating speed, reduces the excessive power consumption caused under at a high speed because of pump oil, it is provided that compressor performance；Control the pump oil mass under high rotating speed simultaneously, stop the quality problems that compressor occurs that oil flow is excessive。
Wherein, described fuel sucking pipe 2 inserts described oil suction inner chamber and is tightly sleeved in the lower end of described main shaft part 13, described fuel sucking pipe 2 is provided with mounting seat in the inner side of the first oilhole 16, described mounting seat is provided with spring base 41, described elastic reset part 4 is extension spring, one end of described extension spring is connected with spring base 41, and the other end is connected with described plug 3。The upper surface of described fuel sucking pipe 2 is provided with the upwardly extending connection sheet 22 of inwall along oil suction inner chamber in the side near described first oilhole 16, and the top connecting sheet 22 has the end plate 23 of lateral buckling in oil suction inner chamber, and the top end face of end plate 23 forms described mounting seat。Described mounting seat is provided with two parallel gib blocks 24, forms gathering sill 25 described in two between gib block 24。Gathering sill 25 is directed radially towards the first oilhole 16, and described spring base 41 is positioned at gathering sill 25 one end away from the first oilhole 16, and described plug 3 can slide along described gathering sill 25 under the effect of centrifugal force and extension spring。Bent axle 1 rotating speed is more high, and the centrifugal force of plug 3 is more big, and extension spring stretches out more long, blocks the first oilhole 16 cross section, can reduce oil circuit cross section under at a high speed, reduces pump oil mass。
As preferably, described first oilhole 16 is circular hole, and described plug 3 has the sphere that can mate laminating with described first oilhole 16, and plug 3 is preferably metal ball。
Claims (8)
1. a self adaptation fuel feeding bent axle, it is characterized in that: include bent axle and fuel sucking pipe, described bent axle includes crank portion, balance portion and main shaft part, described bent axle is provided with spiral oil groove at the outer wall of main shaft part, described oil groove includes the first oil groove and the second oil groove, it is provided with oil suction inner chamber in the lower end of main shaft part, described main shaft part offers the first oilhole connecting described first oil groove and oil suction inner chamber in the lower end of the first oil groove, main shaft part offers the second oilhole connecting described second oil groove and oil suction inner chamber in the lower end of the second oil groove, described fuel sucking pipe has straight-through inner chamber, fuel sucking pipe is located at the lower end of main shaft part, the straight-through inner chamber of fuel sucking pipe and the oil suction inner space of bent axle, described oil suction inner chamber is provided with in the inner side of the first oilhole deviation main shaft part axis and the plug of described first oilhole and the elastic reset part that plug and the first axis hole can be separated can be blocked under centrifugal action。
2. self adaptation fuel feeding bent axle according to claim 1, it is characterized in that: described fuel sucking pipe inserts described oil suction inner chamber and is tightly sleeved in the lower end of described main shaft part, described fuel sucking pipe is provided with mounting seat in the inner side of the first oilhole, described mounting seat is provided with spring base, described elastic reset part is extension spring, one end of described extension spring is connected with spring base, and the other end is connected with described plug。
3. self adaptation fuel feeding bent axle according to claim 2, it is characterized in that: the upper surface of described fuel sucking pipe is provided with the upwardly extending connection sheet of inwall along oil suction inner chamber in the side near described first oilhole, the top connecting sheet has the end plate of lateral buckling in oil suction inner chamber, and the top end face of end plate forms described mounting seat。
4. self adaptation fuel feeding bent axle according to claim 3, it is characterized in that: described mounting seat is provided with the gathering sill being directed radially towards the first oilhole, described spring base is positioned at gathering sill one end away from the first oilhole, and described plug can slide along described gathering sill under the effect of centrifugal force and extension spring。
5. self adaptation fuel feeding bent axle according to claim 4, it is characterised in that: described mounting seat is provided with two parallel gib blocks, forms gathering sill described in two between gib block。
6. self adaptation fuel feeding bent axle according to claim 1, it is characterised in that: described first oilhole is circular hole, and described plug has the sphere that can mate laminating with described first oilhole。
7. self adaptation fuel feeding bent axle according to claim 1, it is characterized in that: the upper end of main shaft part is communicated with the 3rd oilhole to crank portion, first oil groove and the second oil groove cross and merge into the main oil groove that the outer wall along main shaft part upwards coils, and described main oil groove imports the 3rd oilhole。
8. self adaptation fuel feeding bent axle according to claim 7, it is characterised in that: the joint of the first oil groove and the second oil groove is positioned at the middle part of main shaft part。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610079845.3A CN105697337B (en) | 2016-02-04 | 2016-02-04 | A kind of adaptive fuel feeding bent axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610079845.3A CN105697337B (en) | 2016-02-04 | 2016-02-04 | A kind of adaptive fuel feeding bent axle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105697337A true CN105697337A (en) | 2016-06-22 |
| CN105697337B CN105697337B (en) | 2017-10-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610079845.3A Active CN105697337B (en) | 2016-02-04 | 2016-02-04 | A kind of adaptive fuel feeding bent axle |
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| Country | Link |
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| CN (1) | CN105697337B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089646A (en) * | 2016-08-09 | 2016-11-09 | 珠海格力节能环保制冷技术研究中心有限公司 | Control oil structure and frequency conversion piston compressor |
| CN106368932A (en) * | 2016-09-20 | 2017-02-01 | 安徽美芝制冷设备有限公司 | Oiling assembly used for refrigerator compressor and compressor comprising same |
| CN106438279A (en) * | 2016-09-06 | 2017-02-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Crankshaft oil way structure of compressor and compressor with crankshaft oil way structure |
| CN107965442A (en) * | 2017-11-24 | 2018-04-27 | 加西贝拉压缩机有限公司 | A kind of compressor pump oil regulating device |
| CN115405491A (en) * | 2022-07-26 | 2022-11-29 | 黄石东贝压缩机有限公司 | Crankshaft assembly capable of automatically adjusting oil pumping amount and working method thereof |
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| JP2001003866A (en) * | 1999-06-18 | 2001-01-09 | Fujitsu General Ltd | Hermetic compressor |
| KR20040020553A (en) * | 2002-08-30 | 2004-03-09 | 엘지전자 주식회사 | A oil furnishing structure of crank-shaft for hermetic compressor |
| JP2004144058A (en) * | 2002-10-28 | 2004-05-20 | Matsushita Refrig Co Ltd | Hermetic electric reciprocating compressor |
| JP2012052494A (en) * | 2010-09-03 | 2012-03-15 | Panasonic Corp | Hermetically sealed compressor |
| CN103899634A (en) * | 2014-03-31 | 2014-07-02 | 扎努西电气机械天津压缩机有限公司 | Special crankshaft with double oil grooves for refrigerator compressor |
| CN204284185U (en) * | 2014-11-04 | 2015-04-22 | 杭州钱江压缩机有限公司 | A kind of two upper oil hole balanced type bent axle |
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2016
- 2016-02-04 CN CN201610079845.3A patent/CN105697337B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001003866A (en) * | 1999-06-18 | 2001-01-09 | Fujitsu General Ltd | Hermetic compressor |
| KR20040020553A (en) * | 2002-08-30 | 2004-03-09 | 엘지전자 주식회사 | A oil furnishing structure of crank-shaft for hermetic compressor |
| JP2004144058A (en) * | 2002-10-28 | 2004-05-20 | Matsushita Refrig Co Ltd | Hermetic electric reciprocating compressor |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089646A (en) * | 2016-08-09 | 2016-11-09 | 珠海格力节能环保制冷技术研究中心有限公司 | Control oil structure and frequency conversion piston compressor |
| CN106089646B (en) * | 2016-08-09 | 2018-02-09 | 珠海格力节能环保制冷技术研究中心有限公司 | Oil-control structure and frequency conversion piston compressor |
| CN106438279A (en) * | 2016-09-06 | 2017-02-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Crankshaft oil way structure of compressor and compressor with crankshaft oil way structure |
| CN106368932A (en) * | 2016-09-20 | 2017-02-01 | 安徽美芝制冷设备有限公司 | Oiling assembly used for refrigerator compressor and compressor comprising same |
| CN106368932B (en) * | 2016-09-20 | 2018-07-24 | 安徽美芝制冷设备有限公司 | The component and with its compressor of oiling for freezer compressor |
| CN107965442A (en) * | 2017-11-24 | 2018-04-27 | 加西贝拉压缩机有限公司 | A kind of compressor pump oil regulating device |
| CN115405491A (en) * | 2022-07-26 | 2022-11-29 | 黄石东贝压缩机有限公司 | Crankshaft assembly capable of automatically adjusting oil pumping amount and working method thereof |
| CN115405491B (en) * | 2022-07-26 | 2024-04-02 | 黄石东贝压缩机有限公司 | Crankshaft assembly capable of automatically adjusting oil quantity of pump and working method of crankshaft assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105697337B (en) | 2017-10-31 |
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