CN105697337B - A kind of adaptive fuel feeding bent axle - Google Patents
A kind of adaptive fuel feeding bent axle Download PDFInfo
- Publication number
- CN105697337B CN105697337B CN201610079845.3A CN201610079845A CN105697337B CN 105697337 B CN105697337 B CN 105697337B CN 201610079845 A CN201610079845 A CN 201610079845A CN 105697337 B CN105697337 B CN 105697337B
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- China
- Prior art keywords
- oilhole
- main shaft
- shaft part
- oil
- bent axle
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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
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Compressor (AREA)
Abstract
The invention discloses a kind of adaptive fuel feeding bent axle, including bent axle and fuel sucking pipe, bent axle includes crank portion, balance portion and main shaft part, bent axle is provided with spiral first oil groove and the second oil groove in the outer wall of main shaft part, oil suction inner chamber is provided with the lower end of main shaft part, main shaft part opens up the first oilhole in the lower end of the first oil groove, main shaft part opens up the second oilhole in the lower end of the second oil groove, 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 is connected with the oil suction inner chamber of bent axle, deviation main shaft part axis is provided with the inner side of the first oilhole and can block the plug of the first oilhole and the dynamic clamping head and quiet clamping head that plug can be separated with the first axis hole under the action of the centrifugal force in oil suction inner chamber.The present invention can control high rotating speed under pump oil amount, reduction high speed under caused by pump oil excessive power consumption there is provided compressor performance；The pump oil amount under high rotating speed is controlled simultaneously, prevents compressor and the excessive quality problems of oily flow occurs.
Description
Technical field
The present invention is used for Compressor Technology field, more particularly to a kind of adaptive fuel feeding bent axle.
Background technology
The oil circuit design of existing compressor crank shaft is all that maximum pump oil energy is considered as principle, not to meet minimum pumping ability
Power, particularly frequency-changeable compressor.Therefore oil circuit design is all changeless, it is impossible to be adjusted according to speed of crankshaft.Frequency conversion
Compressor maximum speed reaches 4500rpm, and the rotating speed than common compressor 3000rpm is high by 50%.
Realized because compressor oil-supplying ability produces centrifugal force by bent axle rotation, frequency-changeable compressor (is more than in high rotating speed interval
Compressor oil-supplying ability is excessive when 3500rpm), the need for fuel delivery has exceeded lubrication, causes compressor oil drainage amount to increase, and influences
The heat exchange of refrigeration system, reduces the refrigerating capacity of refrigeration system.Fuel delivery process needs to consume input power, mistake simultaneously
The fuel feeding of degree then result in compressor and do more idle works, reduce the efficiency of compressor.The song of existing frequency-changeable compressor
Axle only considers to ensure that the supply capability under the supply capability under the compressor slow-speed of revolution, high rotating speed is uncontrolled, with rotating speed
Raising, pump oil amount increases, consumes excessive pump oil power consumption, reduce compressor capacity usage ratio, also increase compressor
Oil drain quantity, causes quality problems (oil drain quantity is a quality problems of compressor greatly).
It is therefore desirable to control frequency-changeable compressor in the interval supply capability of high rotating speed.
The content of the invention
To solve the above problems, the present invention provides a kind of adaptive fuel feeding bent axle, it can control the pump oil amount under high rotating speed,
Reduce high speed under caused by pump oil excessive power consumption there is provided compressor performance；The pump oil amount under high rotating speed is controlled simultaneously,
Prevent compressor and the excessive quality problems of oily flow occur.
The technical solution adopted for the present invention to solve the technical problems is：A kind of adaptive fuel feeding bent axle, including bent axle and
Fuel sucking pipe, the bent axle includes crank portion, balance portion and main shaft part, and the bent axle is provided with spiral oil in the outer wall of main shaft part
Groove, the oil groove includes the first oil groove and the second oil groove, is provided with oil suction inner chamber in the lower end of main shaft part, the main shaft part is first
The lower end of oil groove opens up the first oilhole for connecting first oil groove and oil suction inner chamber, and main shaft part is opened up in the lower end of the second oil groove
Second oil groove and the second oilhole of oil suction inner chamber are connected, the fuel sucking pipe has straight-through inner chamber, and fuel sucking pipe is located at main shaft part
Lower end, the straight-through inner chamber of fuel sucking pipe connects with the oil suction inner chamber of bent axle, set in the oil suction inner chamber on the inside of the first oilhole
Have deviate main shaft part axis and can block under the action of the centrifugal force first oilhole plug and can be oily by plug and first
The dynamic clamping head and quiet clamping head of hole separation.
The improvement of technical solution of the present invention is further used as, the fuel sucking pipe inserts the oil suction inner chamber and is tightly sleeved
The lower end of the main shaft part, the fuel sucking pipe is provided with mounting seat in the inner side of the first oilhole, and the mounting seat is provided with spring base,
The dynamic clamping head and quiet clamping head is extension spring, and one end of the extension spring is connected with spring base, and the other end is connected with the plug.
The improvement of technical solution of the present invention is further used as, the upper surface of the fuel sucking pipe is close to first oilhole
The connection sheet that side is upwardly extended provided with the inwall along oil suction inner chamber, the top of connection sheet has the bending on the inside of oil suction inner chamber
End plate, the top end face of end plate forms the mounting seat.
The improvement of technical solution of the present invention is further used as, the mounting seat is provided with and is directed radially towards leading for the first oilhole
To groove, the spring base is located at the one end of guide groove away from the first oilhole, and the plug can be in centrifugal force and the work of extension spring
Slided with guide groove described in lower edge.
The improvement of technical solution of the present invention is further used as, the mounting seat is provided with two parallel gib blocks, described in two
Guide groove is formed between gib block.
The improvement of technical solution of the present invention is further used as, first oilhole is circular hole, and the plug has can be with institute
State the sphere of the first oilhole matching laminating.
The improvement of technical solution of the present invention is further used as, the upper end of main shaft part is communicated with to the 3rd oil of crank portion
Hole, the first oil groove and the second oil groove cross and merged into the main oil groove coiled upwards along the outer wall of main shaft part, the main oil
Groove imports the 3rd oilhole.
It is 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 located at main shaft part
Middle 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, using including
There is provided pumping ability for the double helix oil groove bent axle scheme of first oil groove and the second oil groove.One plug is set in oil suction inner chamber,
The plug is directed at the first oilhole, under the action of the centrifugal force, driving dynamic clamping head and quiet clamping head deformation, changes the position of plug.Work as compressor
When operating in the slow-speed of revolution (being less than 3000rpm), dynamic clamping head and quiet clamping head deflection is smaller, and plug leaves the first oilhole, does not close first
Oil groove, does not interfere with supply capability；When compressor operating is at high rotating speed interval (>=3500rpm), dynamic clamping head and quiet clamping head deflection
Increase, plug is adjacent to the first oilhole, close the first oil groove, reduce upward fuel delivery.The present invention can control the pump oil under high rotating speed
Amount, reduction high speed under caused by pump oil excessive power consumption there is provided compressor performance；The pump oil under high rotating speed is controlled simultaneously
Amount, prevents compressor and the excessive quality problems of oily flow occurs.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is overall structure 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.
Embodiment
Referring to figs. 1 to Fig. 4, that show the concrete structure of the preferred embodiments of the invention.It will be detailed below this
Invent the design feature of each element, and be with the knot shown in Fig. 1 if being described to during direction (upper and lower, left and right, before and after)
Structure is that reference is described, but the actual use direction of the present invention is not limited thereto.
The invention provides a kind of adaptive fuel feeding bent axle, including bent axle 1 and fuel sucking pipe 2, the bent axle 1 includes crank portion
11st, balance portion 12 and main shaft part 13, the bent axle 1 are provided with spiral oil groove in the outer wall of main shaft part 13, and the oil groove includes
First oil groove 14 and the second oil groove 15, are provided with oil suction inner chamber, the main shaft part 13 is in the first oil groove 14 in the lower end of main shaft part 13
Lower end open up the first oilhole 16 for connecting first oil groove 14 and oil suction inner chamber, main shaft part 13 is in the lower end of the second oil groove 15
The second oilhole 17 for connecting second oil groove 15 and oil suction inner chamber is opened up, the fuel sucking pipe 2 has straight-through inner chamber 21, fuel sucking pipe
2 are located at the lower end of main shaft part 13, and the straight-through inner chamber 21 of fuel sucking pipe 2 is connected with the oil suction inner chamber of bent axle 1, in the oil suction inner chamber
The inner side of first oilhole 16 is provided with deviation main shaft part axis and can block the plug 3 of first oilhole 16 under the action of the centrifugal force
And the dynamic clamping head and quiet clamping head 4 that plug 3 can be separated with the first oilhole 16.The present invention is in order to meet during the frequency-changeable compressor slow-speed of revolution
Pump oil demand, using the double helix oil groove bent axle scheme including the first oil groove 14 and the second oil groove 15, there is provided pumping ability.Inhaling
One plug 3 is set, and the plug 3 is directed at the first oilhole 16, under the action of the centrifugal force, driving dynamic clamping head and quiet clamping head 4 becomes in oily inner chamber
Shape, changes the position of plug 3.When compressor operating is in the slow-speed of revolution (being less than 3000rpm), the deflection of dynamic clamping head and quiet clamping head 4 is smaller,
Plug 3 leaves the first oilhole 16, and the first oil groove 14 is not closed, supply capability is not interfered with；When compressor operating is in high rotating speed area
Between (>=3500rpm) when, the deflection of dynamic clamping head and quiet clamping head 4 is increased, and plug 3 is adjacent to the first oilhole 16, closes the first oil groove 14, is reduced
Upward fuel delivery.The present invention can control the excessive power consumption caused by pump oil under the pump oil amount under high rotating speed, reduction high speed, carry
For compressor performance；The pump oil amount under high rotating speed is controlled simultaneously, prevents compressor and the excessive quality problems of oily flow occurs.
Wherein, the fuel sucking pipe 2 inserts the oil suction inner chamber and is tightly sleeved in the lower end of the main shaft part 13, the suction
Oil pipe 2 is provided with mounting seat in the inner side of the first oilhole 16, and the mounting seat is provided with spring base 41, and the dynamic clamping head and quiet clamping head 4 is
Extension spring, one end of the extension spring is connected with spring base 41, and the other end is connected with the plug 3.The fuel sucking pipe 2
The connection sheet 22 that upper surface is upwardly extended in the side close to first oilhole 16 provided with the inwall along oil suction inner chamber, connection sheet
22 top has the end plate 23 of the bending on the inside of oil suction inner chamber, and the top end face of end plate 23 forms the mounting seat.The peace
Fill seat and be provided with formation guide groove 25 between two parallel gib blocks 24, gib block 24 described in two.Guide groove 25 is directed radially towards
One oilhole 16, the spring base 41 is located at the one end of guide groove 25 away from the first oilhole 16, and the plug 3 can be in centrifugal force and drawing
Stretch and slided along the guide groove 25 in the presence of spring.The rotating speed of bent axle 1 is higher, and the centrifugal force of plug 3 is bigger, and extension spring is stretched out
Longer, oil circuit cross section can be reduced under the cross section of the first oilhole 16, high speed by blocking, and reduce pump oil amount.
Preferably, first oilhole 16 is circular hole, the plug 3, which has, to be fitted with first oilhole 16 matching
Sphere, and plug 3 be preferably metal ball.
The upper end of main shaft part 13 is communicated with to the 3rd oilhole 18 of crank portion 11, and the first oil groove 14 and the second oil groove 15 are handed over
Converge and merge into the main oil groove 19 coiled upwards along the outer wall of main shaft part 13, the main oil groove 19 imports the 3rd oilhole 18.
Wherein, because the upper end of main shaft part 13 is contact surface, larger pressure is born, in order to avoid destruction stress surface, the He of the first oil groove 14
The joint of second oil groove 15 is located at the middle part of main shaft part 13.
Certainly, the invention is not limited to above-mentioned embodiment, and those skilled in the art are without prejudice to originally
Equivalent variations or replacement can be also made on the premise of spirit, these equivalent modifications or replacement are all contained in the application right
It is required that in limited range.
Claims (6)
1. a kind of adaptive fuel feeding bent axle, it is characterised in that：Including bent axle and fuel sucking pipe, the bent axle includes crank portion, balance
Portion and main shaft part, the bent axle are provided with spiral oil groove in the outer wall of main shaft part, and the oil groove includes the first oil groove and second
Oil groove, oil suction inner chamber is provided with the lower end of main shaft part, and the main shaft part opens up connection first oil in the lower end of the first oil groove
Groove and the first oilhole of oil suction inner chamber, main shaft part open up connection second oil groove and oil suction inner chamber in the lower end of the second oil groove
Second oilhole, the fuel sucking pipe has straight-through inner chamber, and fuel sucking pipe is located at the lower end of main shaft part, the straight-through inner chamber of fuel sucking pipe and bent axle
The connection of oil suction inner chamber, in the inner side of the first oilhole provided with deviateing main shaft part axis and can be in centrifugation masterpiece in the oil suction inner chamber
The dynamic clamping head and quiet clamping head that the plug of first oilhole is blocked under and can separate plug with the first oilhole, the fuel sucking pipe is inserted
Enter the oil suction inner chamber and be tightly sleeved in the lower end of the main shaft part, the fuel sucking pipe is in the inner side of the first oilhole provided with installation
Seat, the mounting seat is provided with spring base, and the dynamic clamping head and quiet clamping head is extension spring, one end of the extension spring and spring base
Connection, the other end is connected with the plug, and the upper surface of the fuel sucking pipe is provided with the side close to first oilhole along suction
The connection sheet that the inwall of oily inner chamber is upwardly extended, the top of connection sheet has the end plate of the bending on the inside of oil suction inner chamber, end plate
Top end face forms the mounting seat.
2. adaptive fuel feeding bent axle according to claim 1, it is characterised in that：The mounting seat is provided with and is directed radially towards
The guide groove of first oilhole, the spring base is located at the one end of guide groove away from the first oilhole, the plug can in centrifugal force and
Slided in the presence of extension spring along the guide groove.
3. adaptive fuel feeding bent axle according to claim 2, it is characterised in that：The mounting seat parallel is led provided with two
To bar, guide groove is formed between gib block described in two.
4. adaptive fuel feeding bent axle according to claim 1, it is characterised in that：First oilhole is circular hole, described stifled
Head, which has, to match the sphere fitted with first oilhole.
5. adaptive fuel feeding bent axle according to claim 1, it is characterised in that：The upper end of main shaft part is communicated with to bent axle
3rd oilhole in portion, the first oil groove and the second oil groove cross and merged into the main oil coiled upwards along the outer wall of main shaft part
Groove, the main oil groove imports the 3rd oilhole.
6. adaptive fuel feeding bent axle according to claim 5, it is characterised in that：The joint of first oil groove and the second oil groove
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 CN105697337A (en) | 2016-06-22 |
| CN105697337B true CN105697337B (en) | 2017-10-31 |
Family
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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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105697337B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106438279B (en) * | 2016-09-06 | 2020-08-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Crankshaft oil circuit structure of compressor and compressor with 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 |
| 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040020553A (en) * | 2002-08-30 | 2004-03-09 | 엘지전자 주식회사 | A oil furnishing structure of crank-shaft for hermetic 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 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001003866A (en) * | 1999-06-18 | 2001-01-09 | Fujitsu General Ltd | 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 |
-
2016
- 2016-02-04 CN CN201610079845.3A patent/CN105697337B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040020553A (en) * | 2002-08-30 | 2004-03-09 | 엘지전자 주식회사 | A oil furnishing structure of crank-shaft for hermetic 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105697337A (en) | 2016-06-22 |
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